wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Term 3 Exam Revision Quiz (Unit 4-6)

Total questions: 183

Worksheet time: 2hrs 0mins

Name
Class
Date
1.
What is an ecosystem?
a)
A group of animals that are the same species.
b)
Soil, water, air and sunlight
c)
All the living and non living things that interact in an area.
d)
North America
2.
Which is a non-living part of an ecosystem?
a)
Sunlight
b)
Air
c)
Water
d)
All of these
3.
Which ecosystem is usually found near the earth's equator where it is very warm and has lots of trees and animals such as parrots and jaguars.
a)
Rainforest
b)
Desert
c)
Taiga
d)
Chapparal
4.
What is the name for all the animals of the same species living in an ecosystem?
a)
Population
b)
Community
5.
What is the name for all the living things in an ecosystem?
a)
Population
b)
Community
6.
An animal that hunts other animals for food is called a ___________________.
a)
Villian
b)
Predator
c)
Prey
d)
Fred
7.
An animal that is hunted by other animals for food is called _____________________ .
a)
Victim
b)
Sally
c)
Predator
d)
Prey
8.
The place where an organism lives that provides it with shelter, food and water.
a)
ecosystem
b)
population
c)
community
d)
habitat
9.
The study of the interaction of living and nonliving things in the environment.
a)
biology
b)
ecology
c)
zoology
d)
psychology
10.

Interconnected chains to show transfer of energy is called

a)

a food chain.

b)

a food web.

11.

A linear sequence to show transfer of energy is called

a)

a food chain.

b)

a food web.

12.

What is the role of decomposers

a)

They break down dead organisms and return their nutrients back to the ecosystem.

b)

Supply energy to the sun

c)

Help organize the community

d)

Create energy from the sun

13.

Consumers are

a)

organisms that help break down dead material

b)

organisms that create energy from the sun

c)

organisms that live in the ocean

d)

Organisms that get their energy from eating other organisms.

14.
Carnivores, herbivores, omnivores, and scavengers are all examples of __________.
a)
producers
b)
consumers
c)
decomposers
d)
abiotic factors
15.

What does an adaptation do?

a)

Make animals extinct (die)

b)

Help living things die

c)

Help living things survive in their habitat

16.
Biodiversity refers to
a)
extinct species
b)
the variety of species on Earth
c)
nonrenewable resources
d)
the rate of species decline
17.
When taken to a new habitat, non-native plants often threaten native plants of the new habitat.  Why do they do this?
a)
Non-native plants are able to mutate rapidly
b)
Non-native  plants cause native animals to relocate
c)
Non-native plants are able to be used for medicine
d)
Non-native plants compete with native plants for resources
18.
The field mouse population in Australia has grown so fast that they eat an average of  $4 billion of wheat every year. Their fast growth is caused by:
a)
A. The mice like to reproduce
b)
B. A lack of a native species to eat the field mouse
c)
C. Abundant food supply
d)
Both B and C
19.
1. What makes a species invasive?
a)
Moving to a new ecosystem and taking resources from natives 
b)
Not having papers
c)
Species that can't adapt
d)
Plants that take up too much space
20.
What kind of organisms can become invasive? 
a)
Lions, Tigers, Bears
b)
Plants, Animals, or Pathogens 
c)
Animals
d)
Plants
21.
If a blue catfish is introduced and eats the large fish who eat the smaller fish, what will happen to the population of the smaller fish?
a)
Increase
b)
Decrease
c)
Stay the same
d)
No affect on smaller fish
22.
What is a native specie?
a)
A specie that is local and has lived in the same place
b)
A specie who has come from another state or country
c)
A specie that has no "home" and travels for its whole life
d)
None of the above
23.
Species that are indigenous to an area with no human intervention
a)
invasive species
b)
native species
c)
all species that live in an ecosystem
24.
What is an invasive species?
a)
A native (naturally found) species which are added to an area. 
b)
A non-native (not naturally found) species added to an area. 
c)
A keystone species in an environment
d)
none of the above
25.

Which of these words does NOT describe an invasive species?

a)

alien

b)

intruder

c)

non-native

d)

natural

26.

The primary cause of the introduction of invasive species introduction is ---

a)

too much food.

b)

human action.

c)

weather events.

d)

asteroids.

27.

What is an invasive species?

a)

An organism that is new to an environment that has positive effects on the environment.

b)

An organism that is native to an environment that has negative effects on the environment.

c)

An organism that is new to an environment that has negative effects on the environment.

d)

An organism that is native to an environment that has positive effects on the environment.

28.

How is a food web different from a food chain?

a)

Foods webs contain only producers, not consumers.

b)

Food webs do not include decomposers.

c)

Food webs contain many different,linked food chains.

d)

Food webs exist in aquatic environment;food chain exist in terrestrial environment

29.

How might a lack of sunlight disrupt the food web

a)

It would cause consumers to consume less

b)

It would prevent decomposers from decomposing matter

c)

It would prevent producers from producing nutrients.

d)

It would not disrupt the food web at all.

30.

How are primary consumers different from secondary consumers?

a)

Primary consumers eat only plants;secondary consumers eat other consumers.

b)

Primary consumers eat other consumers;secondary consumers eat only plants.

c)

primary consumers eat plants and other consumer;secondary consumers eat plants and decompose matter

d)

Primary consumers eat plants and decompose matter ;secondary consumers consumers eat plants and other consumers.

31.
Bacteria, fungi, and earthworms are examples of: 
a)
scavengers
b)
predators
c)
prey
d)
decomposers
32.

In this food web, what is missing?

a)

Producer

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

e)

Decomposer

33.

In this food web, what is the mountain lion if it eats a mule deer?

a)

Producer

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

e)

Quaternary Consumer

34.

When you consume an organism, you only receive 10% of the energy, but how much of the toxins do you receive?

a)

All of the toxins

b)

10% toxins

c)

1% toxins

d)

None of the toxins

35.

In which organism would biomagnification be the most concentrated? (Remember the lab: Rabbits eat the grass, the snake eats the rabbit, the hawk eats the snake--the hawk is the apex predator)

a)

grass

b)

rabbit

c)

snake

d)

hawk

36.

Which organism would have the most bioaccumulation?

a)

eucalyptus tree

b)

wombats

c)

kookaburras

d)

koalas

37.

Toxin concentrations _____________ as you go up the food chain.

a)

do not change

b)

increase

c)

decrease

38.

Pesticides and herbicides eventually show up in higher level consumers due to

a)

climate change

b)

bioaccumulation

c)

habitat destruction

d)

fertilizer runoff

39.
Which is the correct order of tropic levels? 
a)
Primary Consumer, Producer, Secondary Consumer, Tertiary Consumer
b)
Tertiary Consumer, Primary Consumer, Secondary Consumer, Producer 
c)
Producer, Primary Consumer, Secondary Consumer, Tertiary Consumer
d)
Quaternary Consumer, Tertiary Consumer, Secondary Consumer, Producer  
40.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
41.

A __________ is a subatomic particle with a positive charge.

a)

proton

b)

neutron

c)

electron

d)

nucleus

42.

A __________ is a subatomic particle with a negative charge.

a)

proton

b)

neutron

c)

electron

d)

nucleus

43.

A __________ is a subatomic particle with a neutral charge.

a)

proton

b)

neutron

c)

electron

d)

nucleus

44.
What is the center of the atom called?
a)
Orbital
b)
Nucleus
c)
Proton
d)
Electron shell
45.

What is a atom?

a)

An atom is a chemical substance

b)

An atom is a material which is used to build something.

c)

An atom is the smallest unit of ordinary matter that forms a chemical element.

d)

None of these

46.

Which of the following are NOT found in the atomic nucleus?

a)

electrons

b)

Nuclear Force

c)

Neutrons

d)

Protons

47.

If you know the atomic number and the atomic mass of an atom then you should be able to figure out...

a)

the number of neutrons

b)

the name of the element

c)

the number of protons

d)

all of these

48.
These particles orbit around the nucleus of an atom.  What are they called?
a)
electrons
b)
protons
c)
neutrons
d)
photons
49.

Carbon (C) is considered an element while Carbon Dioxide (CO2) is considered a compound. That is because Carbon Dioxide is -

a)

a gas

b)

made of two elements

c)

given off by plants

d)

useful to us

50.
Referring to the table, what is the relative mass of a proton?
a)
10
b)
1
c)
0.1
d)
0.01
51.
Referring to the table, what is the relative charge of an electron?
a)
+1
b)
0
c)
-1
d)
-0.5
52.
Referring to the table, what is the relative charge of a neutron?
a)
+1
b)
0
c)
-1
d)
-0.5
53.
Referring to the table, what is the relative charge of a proton?
a)
+1
b)
0
c)
-1
d)
-0.5
54.

Pure --------------- is soft

a)

aluminium

b)

silver

c)

gold

d)

platinum

55.

22 Carat gold is gold of ----------- purity

a)

100%

b)

91.66%

c)

75%

d)

44%

56.

Diamond is the softest natural substance

a)

True

b)

False

57.
______ is the average pattern for weather over a long period of time.
a)
climate
b)
weather
c)
forecast
d)
sunlight
58.

What is the main characteristic of weather?

a)

long period of time

b)

short period of time

c)

severe weather

d)

the five climates zones

59.

Which of the following factors or elements DO NOT affect weather?

a)

Temperature

b)

Humidity

c)

Precipitation

d)

Wind Vane

60.

What's this climate zone?

a)

Tropical

b)

Dry

c)

Polar

d)

Continental

61.

The daily changes we see outside is called

a)

climate.

b)

weather.

c)

precipitation.

d)

temperature.

62.

Precipitation is

a)

weather.

b)

rain, sleet, hail, and snow.

c)

hot, cold, and rainy.

d)

temperature.

63.

The temperature of a polar climate is?

a)

warm and cool

b)

consistently moderate

c)

consistently cold

d)

consistently hot

64.

The temperature of a tropical climate is?

a)

consistently hot

b)

consistently cold

c)

consistently moderate

d)

warm and cool

65.

In which climate zone would you find polar bears?

a)

tropical

b)

temperate

c)

polar

d)

snow

66.

Climates are classified according to two major factors:

a)

elevation and precipitation

b)

latitude and temperature

c)

elevation and latitude

d)

precipitation and temperature

67.

Global warming is known as the gradual increase in _________________ of the atmosphere.

a)

precipitation

b)

sun spots

c)

temperature

d)

ocean currents

68.

The most abundant greenhouse gas in the atmosphere is ___________________.

a)

oxygen

b)

nitrogen

c)

carbon dioxide

d)

argon

69.

Which zones are polar zones?

a)

Zones A and B

b)

Zones A and E

c)

Zones E and D

d)

Zones A, E, and C

70.

Which zones are temperate zones?

a)

Zones B and C

b)

Zones B, C, and D

c)

Zones, D and C

d)

Zones D and B

71.

Which zone is the tropical zone?

a)

Zone B

b)

Zone C

c)

Zone D

d)

Zone E

72.

Possible human solutions for limiting global warming and climate change are...

a)

being more energy-efficient

b)

using renewable sources of energy

c)

removing carbon from fossil fuel emissions

d)

all of the above

73.

How is a glacier different from an ice sheet?

a)

Ice sheets are colder than glaciers

b)

Glaciers are moving rivers of ice; ice sheets are immobile slabs

c)

Glaciers form in the Northern Hemisphere; ice sheets form in the Southern Hemisphere.

d)

Ice sheets form during interglacial periods; glaciers form during ice ages

74.

If you wanted to take a core sample of an ice sheet, what would you need?

a)

A glacier

b)

A very large freezer

c)

A thermometer

d)

An auger

75.

What kind of periods are ice ages?

a)

Warm periods

b)

Intergalactic periods

c)

Cold periods

d)

Both warm and cold preiods

76.

Interglacials are ___________ periods

a)

Cold

b)

Warm

c)

golden

d)

Both cold and warm

77.

How are sedimentary rocks formed?

a)

cooling and hardening of lava

b)

applied heat and pressure

c)

compacting and cementing of sediments

d)

melting of rock

78.
If rock layers are stacked on top of one another, where can the oldest layer be found?
a)
The top layer
b)
The middle layer
c)
They are all the same age
d)
The bottom layer
79.
Fossils give us evidence about which of the following?
a)
plants and animals that lived long ago
b)
how weathering and erosion break down rocks
c)
the other planets in our solar system
d)
the transfer of energy from one form  to another
80.

About 78% of the Earth's atmosphere is comprised of _____.

a)

oxygen

b)

carbon dioxide

c)

argon

d)

nitrogen

81.

What would happen if there were no atmosphere?

a)

temperatures would be super cold all the time and the ice ages would return

b)

temperatures would be super cold at night and super hot during the day

c)

temperatures would be super hot all the time

d)

ultraviolet radiation from the Sun would fry all life on Earth

82.

How can cutting down trees increase global warming?

a)

trees use carbon dioxide from the air to conduct photosynthesis

b)

trees provide shade, which counteracts global warming

c)

trees absorb the sun's energy without radiating it back into the atmosphere

d)

none of the above

83.

Greenhouse gasses can be made by ___.

a)

burning fossil fuels in our cars

b)

burning forests

c)

with large-scale agriculture

d)

all of these

84.

Humidity is:

a)

a boundary separating two masses of air of different densities.

b)

a body of air with horizontally uniform temperature, humidity, and pressure.

c)

a quantity representing the amount of water vapor in the atmosphere.

d)

none of the above.

85.

The effects of global warming include:

a)

changes in the mating and migration of animals

b)

melting ice caps and glaciers

c)

prolonged growing seasons

d)

all of the above

86.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
87.

In the diagram, which letter represents the angle of incidence?

a)

A

b)

B

c)

C

d)

D

88.
What is reflection?
a)
Reflection is the bouncing  of light off the surface that it strikes on.
b)
Reflection is the absorbing of light off the surface that it strikes on.
c)
Reflection is the bending of light off the surface that it strikes on.
d)
Reflection is the scattering of light off the surface that it strikes on.
89.
........... – the angle between the normal and the reflected ray.
a)
Angle of incidence
b)
Angle of reflection
c)
Angle of coincidence
d)
Angle of direction
90.
........... – the angle between the normal and the incident ray.
a)
Angle of incidence
b)
Angle of reflection
c)
Angle of coincidence
d)
Angle of direction
91.
How does light travel
a)
It curves around corners
b)
Really slow
c)
In a straight line
d)
In circles
92.
The imaginary line perpendicular to a reflecting surface is called _____.
a)
crooked line
b)
parallel line
c)
angular line
d)
normal line
93.
MCQ 02
Why can you see most objects?
a)
A. they emit light
b)
B. light refracts through them
c)
C. light reflects off them
d)
D. they absorb light
94.

To get the best reflection from a mirror you need

a)

a very shiny surface to reflect lots of light

b)

to stand right in front of it

c)

to shine a bright light on it

d)

it to produce light

95.
Which of the following is not a source of light? 
a)
A. candle
b)
B. caver’s lamp
c)
C. mirror
d)
D. sun
96.
Section B1a
Given that the angle of incidence = 30 degrees
a. Draw a ray diagram, labelling clearly the normal, incident ray, angle of incidence, reflected ray and angle of reflection accurately.
Which is the correct diagam? 
a)
A
b)
B
c)
C
d)
D
97.

A student placed a pencil in a cup of water. The pencil appears broken because light

a)

always travels in a straight line.

b)

bends when it passes through water.

c)

makes the water in the glass evaporate.

d)

reflects the pencil on the water's surface.

98.

When light passes at an angle to the normal from one medium into another in which its speed is higher

a)

it is bent toward the normal.

b)

it always lies along the normal.

c)

it is unaffected.

d)

it is bent away from the normal.

99.

When light passes at an angle to the normal from one medium into another in which its speed is lower

a)

it is bent towards the normal.

b)

it always lies along the normal.

c)

it is unaffected.

d)

it is bent away from the normal.

100.

If all other variables are held constant, what happens to the angle of refraction if the angle of incidence increases?

a)

the angle of refraction stays the same

b)

the angle of refraction decreases

c)

the angle of refraction increases

d)

cannot be determined from the information provided

101.

Based on the image, as light passes from medium 1 to medium 2

a)

light speeds up and bends towards the normal

b)

light speeds up and bends away from the normal

c)

light slows down and bends towards the normal

d)

light slows down and bends away from the normal

102.
Swimming pools and the ocean look shallower than they really are due to:
a)
reflection 
b)
dispersion
c)
refraction
d)
total internal reflection
103.
What is this image showing?
a)
Reflection
b)
Refraction
c)
The law of reflection
d)
Concave Mirror
104.
Which color of light is most refracted during dispersion by a prism?
a)
red
b)
yellow
c)
green
d)
violet
105.

Why is the spectrum of light separated into its components of color when white light is directed to a prism?

a)

Because light reflects off the prism's surface

b)

The incident white light refracts and separates into its constituent colors

c)

The white light is absorbed by the prism, separating its colors

d)

The light speeds up as it moves from air into the denser plastic material

106.

This is the example of dispersion of light

a)

sky looks bright orange in the evening

b)

shadow

c)

Pool seems shallower

d)

rainbow

107.

Why is the component of colour in a rainbow can be seen when light passes through a glass prism?

a)

phenomena of scattering of light

b)

phenomena of dispersion of light

c)

phenomena of reflection of light

d)

phenomena of diffraction of light

108.

How many components of white light?

a)

5

b)

6

c)

7

d)

8

109.

Why is the spectrum of light seperated into its components of colour when white light is directed to a prism?

a)

The different colours in the white light bend away from the normal line at different angles when entering prism

b)

The different colours in the white light bend towards the normal line at different angles when entering prism

c)

The different colours in the white light bend away from the normal at same speed to each other when entering prism

d)

The different colours in the white light bend towards the normal at same speed to each other when entering prism

110.

These are all colours of spectrum except

a)

indigo

b)

blue

c)

purple

d)

green

111.

Why is red light is at the top whileviolet at the bottom of the spectrum?

a)

Violet light has the medium speed so it is refracted the least.

b)

Violet light has the highest speed so it is refracted the least

c)

Red light has the slowest speed so it is refracted the least

d)

Red light has the highest speed so it is refracted the least.

112.

Which of the following is NOT a source of light?

a)

eyes

b)

lit candle

c)

sun

d)

firefly

113.

Light is unable to pass through ________________ objects

a)

opaque

b)

coloured

c)

blunt

d)

dark

114.

Light is able to pass through __________________ materials

a)

transparent

b)

shiny

c)

dull

d)

opaque

115.

Which of the following is NOT a primary color of light?

a)

Red

b)

Blue

c)

Yellow

d)

Green

116.

How does light behave when hitting this shirt?

a)

Yellow is absorbed; all other colors are reflected.

b)

Yellow is reflected; all other colors are absorbed.

c)

All colors are absorbed, but yellow is refracted.

d)

Yellow is scattered and all other colors are absorbed.

117.

Which pair of colours do NOT combine to make the correct secondary colours?

a)

Red + Blue = Magenta

b)

Red + Green = Yellow

c)

Blue + Green = Cyan

d)

Red + Yellow = Green

118.

Which colour combinations produce yellow?

a)

Red and Cyan

b)

Cyan and Magenta

c)

Red and Blue

d)

Red and Green

119.

Which color will pass through the filter?

a)

Red only

b)

Blue and Violet

c)

Green

d)

All colors

120.
Red objects appear 'red' because:
a)
red objects are made from red materials
b)
red objects absorb red light
c)
red objects absorb all other colour except red light
d)
red objects don't reflect any light
121.
What colours is white light made from?
a)
Orange, Green, Pink, Magenta, Peach, Rose, Lemon
b)
Red, Orange Yellow, Green, Black, Indigo, Violet
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
d)
Red, Orange, Yellow, Grey, Blue, Indigo, Violet
122.
Which image correctly shows how light would interact with the t-shirt and shorts?
a)
A
b)
B
c)
C
d)
D
123.
Why does this the t-shirt appear red and the shorts appear blue?
a)
The t-shirt reflects red light, the shorts reflect green light, other colours are absorbed.
b)
The t-shirt reflects blue light, the shorts reflect red light, other colours are absorbed.
c)
The t-shirt reflects red light, the shorts absorb yellow light, all other colours are reflected
d)
The t-shirt reflects red light, the shorts reflect blue light, other colours are absorbed.
124.
If you are using a green color filter, what color will you only see?
a)
blue
b)
green
c)
white
d)
red
125.
How is a rainbow formed?
a)
A poptart cat flies across the sky
b)
A leprechaun places a pot of gold at the bottom of a pond
c)
Light refracts off the water droplets to create a rainbow of color
d)
Rainbows are a myth
126.
Which color absorbs all light?
a)
White
b)
Black
c)
Orange
d)
Green
127.
Which color reflects all light?
a)
White
b)
Black
c)
Orange 
d)
Green
128.

Wax paper or a foggy window is an example of what type of material?

a)

transparent

b)

translucent

c)

opaque

129.

What color of light do you get by combining red, green, and blue light?

a)

Black Light

b)

White Light

c)

Ultraviolet Light

d)

Infrared Light

130.
Which image correctly shows how a blue filter and a green filter produce coloured light?
a)
A
b)
B
131.
What is the correct reason why a blue filter and a green filter produce coloured light?
a)
The blue filter allows blue light to pass through, the green filter allows green light to pass through, others colours are absorbed. 
b)
The blue filter reflects blue light, the green filter reflects green light
, other colours are absorbed. 
132.
Which image correctly shows how a magenta filter and a yellow filter produce coloured light?
a)
A
b)
B
133.
What are the correct reasons why a magenta filter and a yellow filter produce coloured light?
a)
Magenta and yellow filters allow only one wavelength (colour) of light to pass through.
b)
Magenta and yellow filters allow primary colours of light to pass through. These colours mix to make yellow and magenta.
134.

What type of galaxy is this?

a)

Spiral

b)

Elliptical

c)

Irregular

d)

Irrational

135.

What type of galaxy has no defined pattern or shape?

a)

Spiral

b)

Elliptical

c)

Irregular

d)

Constellation

136.

What are the 3 MAIN types of galaxies?

a)

Spiral Galaxies, Regular Galaxies and Elliptical Galaxies

b)

Spiral Galaxies, Irregular Galaxies and Elliptical Galaxies

c)

Milky Way, Elliptical Galaxies, and Spiral Galaxies

d)

Milky Way, Elliptical Galaxies and Irregular Galaxies

137.

What type of galaxy is this?

a)

Spiral

b)

Elliptical

c)

Irregular

d)

Irrational

138.

What type of galaxy is this?

a)

Spiral

b)

Elliptical

c)

Irregular

d)

Irrational

139.

Our Galaxy is called the

a)

M38

b)

Milky Way Galaxy

c)

Andromeda Galaxy

d)

Pinwheel Galaxy

140.

What type of galaxy is the Milky Way?

a)

Spiral

b)

Elliptical

c)

Irregular

d)

Transition

141.

What are in galaxies?

a)

dust, gas, stars and planetary systems

b)

dust, gas and stars

c)

dust, stars and planetary systems

d)

gas, dust and planetary systems

142.

Galaxies are classified by their.......

a)

Size

b)

Density

c)

Brightness

d)

Shape

143.

A galaxy which is either spherical (ball like) or a flattened disk is a ___ galaxy.

a)

elliptical

b)

humanoid

c)

irregular

d)

spiral

144.

A galaxy which has a nucleus of bright stars and two or more arms in circular formation is called a ___ galaxy.

a)

elliptical

b)

humanoid

c)

irregular

d)

spiral

145.

A Group of stars, and or star systems, star clusters, dust and gas held together by gravity is known as:

a)

Universe

b)

Galaxy

c)

Solar System

d)

Planet

146.

What Galaxy is Earth located?

a)

Andromeda

b)

Milky Way

c)

Sagittarius

d)

Snickers

147.

What unit is used to measure distances in space?

a)

Light year

b)

Kilometer

c)

Miles

d)

Solar unit

148.
Galaxies are composed of (best answer)
a)
stars
b)
stars and gas
c)
stars, dust, and gas
d)
stars, dust, and gas held together by gravity
149.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
150.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
151.

Where is the asteroid belt?

a)

Closer to the Sun than Mercury.

b)


Between the orbits of Mars and Jupiter.


c)

Between the orbits of Venus and Earth.

d)

Between the orbits of Uranus and Neptune.

152.

What causes meteors to burn up in our atmosphere?

a)

Heat from the Sun

b)

They are already so hot that our atmosphere can't handle it

c)

Heat from Earth's atmosphere

d)

Friction from the Earth's atmosphere

153.

Asteroids are made up of..


a)

iron oxygen and silicon

b)

clay and silicate

c)

stone and other metals

154.

Ceres is...

a)

the largest asteroid in the Kuiper Belt.

b)

an asteroid in the Oort cloud.

c)

the largest asteroid in the asteroid belt.

d)

a comet in the Oort cloud.

155.

A large round pit caused by the impact of a meteoroid.

a)

Pothole

b)

Pothole

c)

Crater

d)

Plateau

156.

The force of gravity on an asteroids is ​ ____ than the force of gravity on Venus.

a)

smaller

b)

bigger

157.

How long is the Asteroid Itokawa?

a)

530m

b)

540m

c)

560m

d)

520m

158.

A rocky object that revolves around the sun, but is too small to be considered a planet.

a)

Meteor

b)

Asteroid

c)

Comet

d)

Constellation

159.

Can asteroid become planets?

a)

No

b)

Yes

160.

Tick the statements that is not true about asteroids.

a)

Asteroids are made from rock.

b)

Fewer than 500 000 asteroids have been discovered.

c)

Asteroids orbit the Sun.

d)

Asteroids can have irregular shapes.

161.

What are asteroids made of?

a)

rocks

b)

clouds

c)

metals

d)

dust

162.

One similarity between asteroids & planets is that they all:

a)

are made of rock

b)

come from the Asteroid Belt

c)

orbit the sun

163.

I am located between Mars and Jupiter.

a)

Comet belt

b)

Meteor belt

c)

Asteroid belt

d)

Stars

164.

Asteroids sometimes hit the earth because of these (choose two)

a)

Earth's gravitational force

b)

Closeness of asteroid to the earth's atmosphere

c)

Chemical reactions in space

d)

Weather conditions

165.

When objects strike the surface of a planet or moon, they leave a deep impression on the surface called a:

a)

Pothole 

b)

Canyon

c)

Crater

d)

Plateau

166.

Which space object is larger?

a)

Asteroid

b)

Meteor

c)

Planet

167.

Planets and asteroids are non-luminous.

a)

True

b)

False

168.
Why do the populations of invasive species grow so quickly? 
a)
Invasive Species are native to an area. 
b)
Invasive species are prey to many animals.
c)
Invasive species have no predators.
d)
Invasive species keep the ecosystems in equilibrium.
169.

Invasive species can have a major impact on the ecosystem.

a)

TRUE

b)

FALSE

170.

What is a NON-NATIVE species?

a)

a plant or animal that is in its right place

b)

a plant or animal that has been moved to a new place where it doesn't belong

c)

a kind of plant that no animals eat

d)

a kind of plant or animal that doesn't live anywhere

171.

What is something that is common to most invasive species?

a)

they don't live long

b)

they can't have babies in the new area

c)

they can't eat anything in the new area

d)

they don't have many predators in their new area

172.

Which of these is a native species in the desert?

a)

a cow

b)

a monkey

c)

an oak tree

d)

a cactus

173.

Which statement about invasive species is true?

a)

they can help the food web get better

b)

lots of animals eat them

c)

they get killed off quickly

d)

they reproduce quickly

174.

Which statement best reflects the reality of human recycling and trash disposal.

a)

Recycling and proper trash disposal are not my responsibility. We have sanitation workers.

b)

Recycling and trash disposal are way too expensive. Polluting nature is just a sad reality we can't really do anything about.

c)

If humans put their minds to it, we could solve most of our recycling and trash disposal problems. Maybe not all, but anything is better than doing nothing.

d)

There really is no point in trying to recycle or dispose of trash properly. There is no way to solve the problem or make it better.

175.

Which consumer is the most affected by toxins like mercury?

a)

Primary Consumer

b)

Secondary Consumer

c)

Apex Predator

d)

Producers

176.

"Only humans make waste nature cannot digest." What did the captain mean by this?

a)

Nature cannot recycle or reuse much of the trash humans produce.

b)

Nature is great at recycling or reusing most of the trash humans produce.

c)

Humans are poor at recycling.

d)

Humans are poor at disposing of trash.

177.

Toxin concentrations _____________ as you go up the food chain.

a)

do not change

b)

increase

c)

decrease

178.

Pesticides and herbicides eventually show up in higher-level consumers (i.e. as you go up the food chain) due to

a)

biomagnification

b)

climate change

c)

habitat destruction

d)

bioaccumulation

179.

In what year were the most toxins present in smallmouth bass?

a)

2000

b)

2002

c)

2004

d)

2005

180.

Which organism would have the most bioaccumulation?

a)

eucalyptus tree

b)

wombats

c)

kookaburras

d)

koalas

181.

In which organism would biomagnification be the most concentrated? (Remember the lab: Rabbits eat the grass, the snake eats the rabbit, the hawk eats the snake--the hawk is the apex predator)

a)

grass

b)

rabbit

c)

snake

d)

hawk

182.

What are examples of toxins? (choose all that apply)

a)

water

b)

salt

c)

pesticides

d)

mercury

e)

insecticides

183.

When you consume an organism, you only receive 10% of the energy, but how much of the toxins do you receive?

a)

All of the toxins

b)

10% toxins

c)

1% toxins

d)

None of the toxins