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Inter the science challange if you DARE !!!!

Total questions: 80

Worksheet time: 2hrs 0mins

Name
Class
Date
1.
What is the change from a gas to a liquid called?
a)
Evaporation
b)
Condensation
c)
Precipiation
d)
Transpiration 
2.
Any form of water that falls to Earth's surface from the clouds is called what?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Sublimation
3.
Warm water is the ocean moves towards the _________.
a)
Poles
b)
Equator
4.
When solid water changes directly to water vapor without first becoming a liquid it is called what?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Sublimation
5.
The kind of heat transfer that travels through space in electromagnetic waves is ______________________.
a)
insulation.
b)
Radiation
c)
Conduction
d)
Convection
6.
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
a)
Hotter to colder
b)
Colder to hotter
c)
Hotter to hotter
d)
Colder to colder
7.
The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
8.
___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
9.
Which object is more dense than water?
                     
a)
A
b)
B
c)
C
10.
Which of the following substances is not soluble in water?
a)
sand
b)
salt
c)
tea
d)
sugar
11.
Why does the pencil appear broken in the water?
a)
The water is reflecting light energy 
b)
The water is refracting light energy 
c)
The water is absorbing light energy 
d)
The water is transmitting light energy
12.
If the water in the picture is put in the freezer, at what temperature will turn into ice
a)
0oC
b)
100oC
c)
50oC
d)
-10oC
13.
Which of the following is a good conductor of electricity?
a)
Iron nail
b)
Plastic bottle
c)
Cotton String
d)
Rubber eraser
14.

Which of the following statements is true?

a)

Earth rotates once a year and revolves every 24 hours.

b)

Earth rotates every 24 hours and revolves once a month.

c)

Earth rotates once every 24 hours and revolves once a year.

d)

Earth rotates and revolves once every 365 days.

15.
Which of the following is NOT an alternative energy resource?
a)
Biofuels
b)
Hydropower
c)
Geothermal Energy
d)
Fossil Fuels
16.
What type of alternative energy does this picture represent?
a)
Geothermal energy
b)
Hydropower
c)
Wind
d)
Biofuels
17.
What landform is in this picture?
a)
canyon
b)
river delta
c)
sand dune
d)
valley
18.
Which of the following best explains how fossil fuels are formed?
a)
Dead plants and animals are buried under layers of sediments and over 10 years turn into coal, oil, and natural gas.
b)
Dead plants and animals are buried under layers of volcanic lava and turn slowly into fossil fuels.
c)
Over time with the heat and pressure, dead plants and animals that are burried under layers of sedimentary rock are turn into coal, oil and natural gas.
19.
Which of the following substance do not reflect light energy well?
a)
Light color shirt
b)
Mirror
c)
Metal Spoon
d)
Dark color shirt
20.
What is weathering?
a)
The breaking of rock into smaller pieces of sediment
b)
The movement of sediment
c)
The dropping off of sediment in a new location
21.
Which of the following best explains how the sun appears to move and how shadows move?
a)
The sun and shadows both move from east to west during the day.
b)
The sun moves from west to east and shadows move in the opposite direction.
c)
The sun moves from east to west and the shadows move in the opposite direction.
d)
The sun and shadows both move from west to east.
22.
Which of the following is not a part of the formation of sedimentary rock?
a)
melting
b)
compacting
c)
cementing
d)
layering
23.
Which of the following is a valid statement?
a)
Hydropower comes from moving air.
b)
Geothermal energy comes from heat inside the earth.
c)
Biofuels comes from water.
d)
Solar energy is energy from living plants and animals.
24.
What powers the circuit?
a)
1
b)
2
c)
3
d)
4
25.
If you replace the paper clip with a plastic spoon, what happens?
a)
The bulb doesn't light
b)
The bulb is dimmer
c)
The wires get hot
d)
There is no change
26.
Which form of matter fills the space like it has in the balloon?
a)
liquid
b)
string
c)
solid
d)
gas
27.
Ice melts to form liquid water at this temperature.
a)
0 °C
b)
32 °C
c)
100 °F
d)
212 °F
28.
What is the boiling point of water
a)
0 C
b)
100 F
c)
50 C
d)
100 C
29.
Day and night is caused by the _____________ of earth on its axis.
a)
revolution
b)
orbit
c)
rotation
30.
Which shows these according to size, biggest to smallest?
a)
Earth, Moon, Sun
b)
Sun, Moon, Earth
c)
Earth, Sun, Moon
d)
Sun, Earth, Moon
31.
Which of the following is a characteristic of both the Earth and the Moon?
a)
Atmosphere containing oxygen
b)
Rocky surface covered with landforms
c)
Flowing water in oceans and rivers
d)
Fossils and fossil fuels under the surface
32.
Which phase of the moon would be found in the orange box? 
a)
New moon
b)
Full moon
c)
Waxing gibbous 
d)
Last quater
33.
About how long does it take the moon to make one complete cycle around the earth?
a)
65 days
b)
8 days
c)
365 days
d)
28 days
34.
Which of the following statements is true about shadows? 
a)
The length of shadows increases all day long 
b)
The length of shadows decreases all day long
c)
The length of shadows do not change
d)
The length of shadows are longest in the morning and evening 
35.
What landform is this?
a)
delta
b)
canyon
c)
valley
d)
sand dune
36.
What landform is this?
a)
canyon
b)
valley
c)
delta
d)
mountain
37.
How does a delta form?
a)
a river slowing down
b)
it's just a river that empties into an ocean or lake
c)
the current of the river speeds up at the mouth causing sediment to wash away
d)
the current of the river slows down causing sediment to deposit
38.
What helps to shape canyons?
a)
fast moving water
b)
glaciers
c)
rain
39.

The apparent __ is how a star looks from Earth.

a)

dimmer

b)

closer

c)

brightness

d)

farther

40.

Our sun is a __- sized star.

a)

small

b)

medium

c)

large

d)

extra small

41.

Stars that are far away appear __ even though they might be brighter than our own Sun.

a)

brighter

b)

farther

c)

closer

d)

dimmer

42.

The Sun supplies __ and __ to Earth.

a)

light and heat

b)

gas and light

c)

gas and heat

d)

energy and gas

43.

The Sun supplies __ and __ to Earth.

a)

light and heat

b)

gas and light

c)

gas and heat

d)

energy and gas

44.
True or False
The Sun is the biggest star in the sky.
a)
True
b)
False
45.

Why do other stars appear so much smaller than the sun?

a)

They are much smaller.

b)

They are so far away.

c)

They are not as bright.

d)

They are dwarf stars.

46.
What are stars?
a)
Rocky bodies
b)
Hot exploding balls of gas
c)
5 pointed shapes
d)
Hollywood actors
47.

The only objects in our Universe that produce (make) and emit (give off) their own light are _____.

a)

asteroids

b)

comets

c)

planets

d)

stars

48.

Which measurement allows astronomers to compare the brightness of stars?

a)

parallax

b)

red shift

c)

absolute brightness

d)

apparent brightness

49.

Because the Earth is 93 million miles from the Sun, the light from this star takes about _____ to reach us.

a)

8 hours

b)

1 hour

c)

8 minutes

50.

A less bright star can seem to be brighter because it is

a)

really huge.

b)

far away.

c)

cooler in temperature.

d)

closer.

51.

A very bright star can seem to be dimmer because it is

a)

farther away.

b)

very close.

c)

cooler in temperature.

d)

sparkling.

52.

Brightness of a star as seen from Earth is

a)

temperature.

b)

apparent brightness (magnitude).

c)

absolute brightness (magnitude).

d)

luminosity.

53.

Absolute magnitude (brightness) is _______.

a)

how far a star is

b)

how bright a star really is

c)

how bright a star looks from a distance

d)

how much energy a star gives

54.

Absolute magnitude (brightness) is _______.

a)

how far a star is

b)

how bright a star really is

c)

how bright a star looks from a distance

d)

how much energy a star gives

55.

Apparent magnitude is _________.

a)

how far a star is

b)

how bright a star really is

c)

how bright a star looks from a distance

d)

how much energy a star gives

56.

How many stars are in our solar system?

a)

1

b)

0

c)

5

d)

billions

57.

What is the distance light can travel in one year?

a)

a long way

b)

light year

c)

astronomical unit

d)

a galaxy

58.

Stars M and W have about the same apparent brightness, but Star W is about twice as far from Earth as Star M. Which star has the greater absolute brightness?

a)

M

b)

W

c)

They have the same absolute brightness.

59.

Barnard's Star is 5.9 light years from Earth and Luyten 726-8 is 8.7 light years away. Which star would most likely appear to be the brightest based solely on this information?

a)

Barnard's Star

b)

Luyten 726-8

c)

both

d)

neither

60.

Students on a field trip observed a valley and wondered how it was formed. The three major characteristics of the valley were recorded. This valley was most likely formed by...

a)

a rapid series of earthquakes

b)

volcanic activity

c)

a flood with rapidly moving water

d)

the movement of a glacier

61.

The abalone is a type of sea snail. Adult abalones slowly crawl over rocks near the shore, while larvae float in the water. Which organisms have a life cycle that is most like that of abalones?

a)

humans

b)

frogs

c)

birds

d)

snakes

62.

This circuit has five light-emitting diode, or LED, lights. It also has one battery and one switch. Which LEDs produce light when the switch is in the position shown?

a)

LEDs 1, 3, and 4 only

b)

LEDs 1, 2, 3, and 4

c)

LEDs 3 and 4 only

d)

LEDs 1, 3, 4, and 5

63.

Students are investigating properties of objects. They observe four objects and record observations for each object in the table. Based on the students' observations, which of these tables properly identifies the objects?

a)
b)
c)
d)
64.

This diagram shows two stages in the life cycles of ladybird beetles and grasshoppers. Based on the diagram, which statement best compares the life cycles of these two types of organisms?

a)

Young ladybird beetles take many years to develop into adults. Young grasshoppers develop into adults quickly.

b)

Young grasshoppers live in a habitat that is different from that of adults. Young ladybird beetles live in the same habitat as adults.

c)

Young grasshoppers undergo incomplete metamorphosis to become adults. Young ladybird beetles undergo complete metamorphosis to become adults.

d)

Young ladybird beetles have a nymph stage before becoming adults. Young grasshoppers are larvae before becoming adults.

65.

The Grand Canyon is more than 400 km long and in some places almost 2 km deep. Which model best represents the main process that formed the Grand Canyon?

a)

F) water faucet, soil, and drain

b)

G) fan, moving air, and sand

c)

H) marble and mud

d)

J) hammer, chisel, and rock

66.

Students design an experiment to determine how much force is needed to move blocks of wood of different masses slowly across a lab table. Which procedure should students include in their design?

a)

Conduct five trials, using a different scale to pull each block of wood

b)

Conduct five trials, pulling a different side of each block each time

c)

Conduct five trials, using a different table for each trial

d)

Conduct five trials, pulling each block of wood in the same way for each trial

67.

The leaves of two types of plants that live in different environments are shown in the pictures. The leaves of both plants have different structures. What differences in the structure of the leaves of these plants likely help them survive in their environments?

a)

The pan-like shape of the giant water lily leaves helps them catch rainwater. The slim shape of the mesquite leaves helps them avoid sunlight.

b)

The broad shape of the giant water lily leaves helps them stay on the water surface. The slim shape of the mesquite leaves helps them prevent water loss.

c)

The pan-like shape of the giant water lily leaves helps them attract small fish. The slim shape of the mesquite leaves helps them avoid herbivores.

d)

The broad shape of the giant water lily leaves helps them attract aquatic birds. The slim shape of the mesquite leaves helps them attract pollinators.

68.

A teacher asks students to explain what they see in this picture. Four student explanations are shown in the box. Which of the students gave a correct explanation?

a)

Student 1 only

b)

Students 2 and 4 only

c)

Student 2 only

d)

Students 1 and 3 only

69.

A family takes a group picture in a park where bluebonnets are blooming. The family notices that some of the blooms are white and others are blue. The color of the blooms is most likely determined by...

a)

air temperature

b)

the age of the plant

c)

the types of consumers that eat the plant

d)

inheritance from parent plants

70.

A beaker with 115 mL of solution has a temperature of 21°C. The solution contains 5 g of salt and 115 mL of water. Students added two ice cubes to the solution and stirred the solution with a stirring rod. Which properties of the solution changed as the ice cubes melted?

a)

The color and physical state of the solution

b)

The temperature, mass, and volume of the solution

c)

The volume, temperature, and mass of the salt in the solution

d)

The physical state and temperature of the solution

71.

A student conducts an investigation by shining a flashlight toward a flat mirror. The student changes the angle of the mirror and observes the path of the reflected light. As the mirror changes direction, the light reaching the mirror can reach the ceiling because the light...

a)

travels in straight lines and reflects from the surface of the mirror

b)

refracts in the glass of the mirror and is spread out all over the room

c)

enters the mirror and changes direction when it is refracted by the back of the mirror

d)

travels through air and does not change its direction in air

72.
Biosphere 2 was an important experiment because
a)
It showed how the government wastes money on science research
b)
It had intense media attention
c)
It showed the challenges in recreating a self-sustaining ecosystem
d)
It led to the colonization of Mars
73.
Biosphere 2 consisted of human living quarters, an ocean, a rain forest, a cloud dessert, and farmland. Each of these represented a different
a)
Biome
b)
Ecosystem
c)
Habitat
d)
Niche
74.
Humans in the biosphere mostly ate plant-based foods such as beans and sweet potatoes. These plants were filling what niche in the ecosystem?
a)
Decomposer
b)
Consumer
c)
Producer
d)
Herbivore
75.
Biosphere 2 included underground mechanical facilities that assisted in the cycling of water, regulating of climate, and balancing carbon dioxide and oxygen levels. All of the factors can be classified as
a)
Renewable Resources
b)
Non-Renewable Resources
c)
Abiotic Resources
d)
Biotic Resources
76.
Biosphere 2 included underground mechanical facilities that assisted in the cycling of water, regulating of climate, and balancing carbon dioxide and oxygen levels. All of the factors can be classified as
a)
Renewable Resources
b)
Non-Renewable Resources
c)
Abiotic Resources
d)
Biotic Resources
77.
To keep biosphere 2 self-sustaining, the ecosystem was designed to include over 4000 plant and animal species. This design was informed by which principle?
a)
Complex systems are the only ones that can remain self-sufficient
b)
Humans need a variety of food sources to survive
c)
You must always have more animals than plants in an ecosystem
d)
As biodiversity increases, the stability of an ecosystem increases
78.
Ladybugs are carnivores that eat aphids (insects that attack plants). Which statement describes a possible effect on the inhabitants of Biosphere 2 if the ladybug population died out?
a)
The human population would be able to grow because they would have more food available
b)
The aphid population would decrease because their food source disappeared
c)
The plant population would increase due to the removal of a parasite
d)
The plant population would decrease due to the increase in the aphid population
79.
Apex predators (other than humans) were missing from Biosphere 2's food webs because
a)
They could not sustain the number of prey required to support a large predator
b)
They were too dangerous to keep in an enclosed space
c)
They were only interested in studying human interactions with the ecosystem
d)
They didn't think it was a realistic part of the simulation of life on other planets
80.
Biosphere 2 continues to be used for research and experiments including all of the following except
a)
Studies on the impact of acid rain on coral growth
b)
Controlled studies on climate change and global warming
c)
Explorations of the water cycle and how water moves through soil 
d)
Sensory deprivation studies

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