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END OF TERM III SCIENCE REVISION

Total questions: 154

Worksheet time: 2hrs 21mins

Name
Class
Date
1.

One way of classifying plants is by their.........

a)

size

b)

colour

c)

branches

d)

stem

2.

What type of plant is this?

a)

grass

b)

bush

c)

tree

d)

cactus

3.

What type of plant is this?

a)

grass

b)

tree

c)

bush

d)

cactus

4.

What type of plant is this?

a)

bush

b)

cactus

c)

grass

d)

tree

5.

Trees........ (there are two correct answers)

a)

are thin and flexible

b)

have a trunk

c)

can live for hundreds of years

d)

have a thick, hard stem

6.

Bushes............. (there is one correct answer)

a)

have a thick, hard stem

b)

do not grow very tall

c)

are the tallest plants

d)

are thin and flexible

7.

Grasses............ (there is one correct answer)

a)

are the tallest plants

b)

can live for hundreds of years

c)

have a thick, hard stem

d)

are thin and flexible

8.

Trees...........(there is one correct answer)

a)

have branches near the ground

b)

are thin and flexible

c)

have a thick, hard stem

d)

are the tallest plants

9.

The group of plants which grow on other objects such as walls or fences are . . . .

a)

vines

b)

trees

c)

herbs

d)

shrubs

10.

These plants belong to the group of trees.

a)
b)
c)
d)
11.

Pines and spruces are non-flowering plants.

a)

TRUE

b)

FALSE

12.

Plants that produce flowers are called . . . .

a)

flowering plants

b)

non-flowering plants

13.

What does "WHO" stand for?

a)

World History Organization

b)

World Health Organization

c)

Washington Heights Office

d)

Washington Hall Officer

14.

Should healthcare be free for everyone?

a)

Yes

b)

Yes

15.

Which habit would be considered a healthy habit?

a)

Getting 8 hours of sleep

b)

Enjoying extra sour straws in the morning

c)

Drinking soda

16.

When is World Health Day?

a)

April 6

b)

April 7

c)

April 8

d)

April 9

17.

True or False: Healthcare is a universal right.

a)

True

b)

False

18.

What are some of the healthy foods?

a)

fruit

b)

vegetables

c)

soft drinks

d)

nuts

e)

fast food

19.

What are some of the unhealthy foods?

a)

French fries

b)

sweets

c)

lollipops

d)

chicken

e)

milk

20.

Which of the following are greenhouse gases?

a)

Carbon dioxide

b)

Methane

c)

Nitrogen Oxide

d)

All answers are correct

21.

In general, what happens to the climate (of the Earth) if more greenhouse gases are released (through human activities and natural occurrences) into the atmosphere?

a)

Average temperature goes up

b)

Average temperature goes down

c)

Average temperature remains the same

d)

None of the above

22.
Which of the following is NOT an effect of Global Warming?
a)
Polar ice caps will melt.
b)
Coastal regions will be covered with rising sea levels.
c)
Some areas will experience serious droughts
d)
The Earth's rotation will slow down and eventually stop
23.
Things you can do to help decrease global warming include:
a)
Eat more ice cream.
b)
Keep your freezer door open.
c)
Keep your air conditioner on high.
d)
Turn off your lights when you’re not using them.
24.
What is the mixture of gases surrounding the Earth called?
a)
carbon
b)
concentration
c)
atmosphere
d)
emissions
25.
The main human activity that releases greenhouse gases is
a)
using bottled water
b)
burning fossil fuels
c)
texting on cellphones
d)
eating meat
26.
The greenhouse gas having the greatest role in human-caused global warming is
a)
methane
b)
carbon dioxide
c)
CFCs (chlorofluorocarbons)
d)
ozone
27.

Choose all of the leading contributors of carbon dioxide that are contributing to global warming.

a)

forest fires

b)

human breathing (respiration)

c)

car exhaust

d)

factory pollution

28.
Do we need greenhouse gases on Earth?
a)
Yes - they keep the Earth warm
b)
Yes - they keep all the gases on our planet
c)
No - they only cause terrible climate change
d)
No - they only block some of the Sun's rays
29.
Why is the increase of Greenhouse gasses a big issue?
a)
It causes climate change and increase in the global temerature 
b)
It can lead to a major increase in Greenhouses 
c)
It leads to more factories
d)
It causes a major decrease in people
30.
Which one of the choices below is NOT a  cause for global warming?
a)
Having too many cows
b)
Burning Fossil Fuels
c)
Planting new trees
31.
The gradual increase in the temperature of the atmosphere is known as ________________.
a)
Greenhouse Effect
b)
Global Warming
c)
Carbon Dioxide Gases
d)
Methane
32.
How can global warming cause sea levels to rise? Choose the best answer.
a)
by causing it to rain more often
b)
by melting glaciers and ice caps
c)
by increasing the number of undersea volcanic eruptions
d)
by creating bigger and more powerful hurricanes
33.
Why does cutting down trees increase global warming?
a)
trees soak up carbon dioxide
b)
trees provide shade which counteracts global warming
c)
trees absorbs the sun's energy without radiating back into the atmosphere
d)
trees drain greenhouse gases like methane from soil
34.
What happens to the temperature if more greenhouse gases are released into the atmosphere?
a)
Temperature goes up
b)
Temperature goes down
35.
Without the Greenhouse Effect the Earth would be too
a)
warm 
b)
cold
c)
dead
d)
funny
36.
What is this difference between global warming and the greenhouse effect?
a)
Global warming refers to a change in the Earth's climate that is causing it to heat up; the greenhouse effect is a natural process that happens constantly, due to sunlight and the atmosphere.
b)
Global warming and the greenhouse effect are the same thing.
c)
The greenhouse effect comes within global warming.
d)
Global warming comes within the greenhouse effect
37.
Global warming and the greenhouse effect are exactly the same.
a)
True
b)
False
38.
Burning fossil fuels is one of the main causes for global warming.
a)
True
b)
False
39.
As global warming continues, the intensity of what type of storm that hits coastlines is predicted to increase?
a)
Tornadoes
b)
Hurricanes 
c)
Tsunamis
d)
Earthquakes
40.
Which of the following is NOT an effect of Global Warming?
a)
Polar ice caps will melt.
b)
Coastal regions will be covered with rising sea levels.
c)
Some areas will experience serious droughts
d)
The Earth's rotation will slow down and eventually stop
41.
Things you can do to help decrease global warming include:
a)
Eat more ice cream.
b)
Keep your freezer door open.
c)
Keep your air conditioner on high.
d)
Turn off your lights when you’re not using them.
42.

Solar Energy is not a renewable energy source?

a)

True

b)

False

43.

Solar Energy is created by what?

a)

Moon

b)

Sun

c)

Wind

d)

Water

44.

Someone wants to put solar panels on their house. They live in a location where it is cloudy a lot and their house is shaded by trees. Should this person be putting solar panels on their house?

a)

Yes

b)

No

45.

Does the size of the solar panel affect how much sun light is taken in?

a)

Yes

b)

No

c)

It depends if the panel is made from something else

d)

It doesn't matter

46.

Pro (Advantages) of using solar energy include:

SELECT ALL THAT APPLY

a)

Renewable

b)

Expensive to Install

c)

Produces no pollution during its operation

d)

Expensive to store energy

47.

Solar Energy is the LEAST abundant source of energy on Earth?

a)

True

b)

False

48.

Solar Energy is created by what?

a)

Moon

b)

Sun

c)

Wind

d)

Water

49.

Solar Cells convert light into electricity?

a)

True

b)

False

50.

Plants need what to do photosynthesis just like solar panels?

a)

Food absorbed from ground

b)

Sun's energy

c)

Food broken down

d)

Minerals from the soil

51.
Pollution _________________________.
a)
is harmful materials put into the environment
b)
found in air, water, and land
c)
effects plants, animals, and people
d)
All of the above
52.
To reduce pollution in the environment, people should ______________ materials.
a)
recycle
b)
pollute
c)
throw away
d)
clean
53.
Smog is an example of ______________ pollution.
a)
land
b)
water
c)
air
d)
noise
54.
Which of the following does NOT cause water pollution?
a)
oil spills
b)
garbage
c)
fertilizers from farms
d)
smoke
55.
How can trash effect wildlife?
a)
Wildlife animals cannot hunt prey because of the smell of garbage.
b)
Trash makes it hard for wildlife to camouflage.
c)
Wildlife could eat trash that they think is food.
d)
Wildlife animals are afraid of trash.
56.
How does air pollution effect people?
a)
It can cause people to have difficulty breathing.
b)
It can make sick people even sicker. 
c)
Sometimes, air pollution can cause cancer.
d)
All of the above
57.
The car is creating ____________________.
a)
air pollution
b)
land pollution
c)
water pollution
d)
an oil spill
58.
Which is an example of recycling?
a)
Making new glass bottles from old ones
b)
Turning the water off while you brush your teeth
c)
Turning all the lights on when it's dark
d)
Using paper cups instead of glasses
59.

_______________ is caused by fumes, smoke and other things like that.

a)

Air pollution

b)

Water Pollution

c)

Noise Pollution

60.

When we create something new out of old materials we_______________

a)

Cycle

b)

Recycle

61.

How can air pollution be controlled.

a)

Rain water harvesting

b)

Planting more trees

c)

Use of windmills

62.

Why is air pollution bad?

a)

It can make people sick

b)

It is invisible

c)

It can make people healthy

63.

The ____________________ protects people from the effects of too much ultraviolet radiation.

a)

smog layer

b)

ozone layer

c)

cloud cover

64.

Is this good for us?

a)

yes

b)

no

65.

Is this good for us?

a)

yes

b)

no

66.

_____________________ is the contamination of air, land, and water.

a)

Conservation

b)

Ecology

c)

Pollution

67.

Pollution occurs when people release, dump, leak, spill, or ______________ the environment around us.

a)

litter

b)

preserve

c)

save

68.

Most incidents of pollution are deliberately caused by______.

a)

humans

b)

machines

c)

animals

69.

The illegal dumping or littering of waste onto the land is called __________ pollution.

a)

air

b)

land

c)

water

70.

The release of smoke and harmful gases into the air is called _________ pollution.

a)

air

b)

water

c)

land

71.

The leaking or spilling of chemicals or raw sewage into a body of water is ________ pollution.

a)

air

b)

water

c)

land

72.

Exhaust fumes released from cars, trucks, and buses are an example of ________ pollution.

a)

water

b)

land

c)

air

73.

Sludge run off from factories and industries is an example of _______ pollution.

a)

air

b)

land

c)

water

74.

Look at the photo. This is an example of _____ pollution.

a)

water

b)

air

c)

land

75.

Fossil Fuels are

a)

pieces of rock that have been compacted many times

b)

rock that contains 50% plant and animal remains

c)

metamorphic rock

d)

fuels that form from the remains of plant and other organisms that were buried and altered over million of years

76.

This fossil fuel has been created by the remains of plants and must be mined from deep within the Earth.

a)

oil

b)

coal

c)

natural gas

d)

solar

77.

This Fossil Fuel is highly flammable (catches on fire easily) and a leak could cause a violent explosion or fire.

a)

petroleum

b)

wood

c)

coal

d)

natural gas

78.

Fossil Fuels (choose ALL that apply)

a)

considered nonrenewable resources

b)

cause pollution in the atmosphere

c)

are renewable resources

d)

oil, coal and natural gas

79.

This fossil fuel is formed from the remains of small organisms that lived in the ocean AND is a thick, black liquid

a)

natural gas

b)

coal

c)

oil

d)

steam

80.

The flame on your stove is an example of

a)

coal

b)

petroleum

c)

natural gas

d)

oil

81.
Which of the following is not a type of fossil fuel? 
a)
Coal
b)
Light
c)
Petroleum
d)
Natural Gas
82.
What are fossil fuels?
a)
Dinosaur bones
b)
Resources made from once living organisms 
c)
Combination of different rocks
d)
Gas Stations
83.
Why do we depend on fossil fuels? 
a)
Electricity, transportation, and heating
b)
Food
c)
Sunlight
d)
Growing, building muscle, calcium
84.
What is a greenhouse gas?
a)
a gas created from a plant
b)
gas that causes the atmosphere to get warmer
c)
a green colored gas
d)
a gas that kills you right away
85.
The ovary, style, and the stigma make up the female part of a plant called the ?
a)
stamen
b)
petals
c)
stem
d)
carpel (pistil)
86.
Brightly colored parts of flowers that attract insects.
a)
petals
b)
pistils
c)
stamen
d)
filaments
87.
The part of the stamen that produces microspores that become pollen grains is the ___.
a)
anther
b)
pistil
c)
filament
d)
ovary
88.
Male reproductive parts of a plant....
a)
Petals and ovary
b)
Ovary and ovule
c)
Anther and filament
d)
Stigma and style
89.
What is part D called?
a)
Pistil
b)
Stamen
c)
Petal
d)
Leaf
90.
What is part B called?
a)
Ovary
b)
Pistil
c)
Stamen
d)
Petal
91.
What is part J called?
a)
Petal
b)
Leaf
c)
Stamen
d)
Pistil
92.
What is part A called?
a)
Pistil
b)
Stamen
c)
Ovule
d)
Petal
93.

What is the male part of a flower called?

a)

Stamen

b)

Pistil

94.
The base of the pistil is called what? (HINT: It has the ovule inside)
a)
Ovary
b)
Pistil
c)
Stamen
d)
Ovule
95.

What is letter A?

a)

Ovary

b)

Stamen

c)

Pistil

d)

Ovule

96.

What is letter B?

a)

Anther

b)

Ovule

c)

Ovary

d)

Sepal

97.

What is letter C

a)

Stigma

b)

Pistil

c)

Stamen

d)

Style

98.

What is letter D?

a)

Filament

b)

Stamen

c)

Stigma

d)

Sepal

99.

What is letter E?

a)

Sepal

b)

Pistil

c)

ovule

d)

Stamen

100.

What is letter F?

a)

Style

b)

Anther

c)

Pistil

d)

Stamen

101.

What is letter G?

a)

Stamen

b)

Filament

c)

Petal

d)

sepal

102.

What is letter H?

a)

Stamen

b)

Petal

c)

Filament

d)

Sepal

103.

What is letter I?

a)

Sepal

b)

Stamen

c)

Style

d)

Stigma

104.

What is letter J?

a)

Pistil

b)

Petal

c)

Anther

d)

stamen

105.

What is the female system?

a)

Pistil

b)

Stamen

106.

What is the male part of A flower?

a)

Pistil

b)

stamen

107.
___________________ is a measure of how hot or cold something is
a)
Humidity
b)
Temperature
c)
Water
d)
Precipitation
108.
What tool do we use to measure temperature?
a)
Thermometer
b)
Ruler
c)
Balance
d)
Magnifying Glass
109.
We measure temperature in degrees...
a)
Fahrenheit
b)
Celsius
c)
Both
d)
Nothing
110.
What temperature does the thermometer show?
a)
70° C
b)
65° C
c)
70° F
d)
65° F
111.
What temperature does the thermometer show?
a)
83° F
b)
85° F
c)
86° F
d)
90° F
112.
What temperature does the thermometer show?
a)
21° C
b)
21° F
c)
22° F
d)
22°C
113.
What temperature does the thermometer show?
a)
80° F
b)
81° F
c)
82° F
d)
85° F
114.

How do we measure temperature?

a)

In Degrees

b)

In Centimeters

c)

In Inches

d)

In Pounds

115.

What tool do we use to measure temperature?

a)

Magnifying Glass

b)

Ruler

c)

Thermometer

d)

Balance

116.

A liquid inside the modern thermometer is called...

a)

water

b)

oil

c)

mercury

d)

paraffin

117.

We can measure temperature using a...

a)

Microwave

b)

Thermometer

c)

Person

d)

Oven

118.

Select all that would be parts in a thermometer

a)

Foot

b)

Bulb

c)

Head

d)

Scale

119.

Which is not a separation technique?

a)

Filtrating

b)

Distillating

c)

Evaporating

d)

Dissolving

120.

Which tool could you use to separate large and small particles?

a)

A sieve

b)

A distillation flask

c)

Chromatography

d)

Evaporating basin

121.

Solutions are made up of...?

a)

Solutes and insolubles

b)

Solubles and solutes

c)

Solutes and solvents

d)

Solubles and solvents

122.

If something is insoluble in water, it will not...

a)

Separate after distillation

b)

Dissolve in water

c)

Dissolve in anything except water

d)

Separate after filtration

123.

In a solution of saltwater, what is the solute?

a)

Water

b)

Saltwater

c)

Salt

d)

There is no solute, it is insoluble

124.

Which part of a filtration is the "filtrate"?

a)

The filter paper

b)

The solid material left in the funnel

c)

The liquid that has gone through

d)

The conical flask

125.
Which one of the following techniques would best be used to separate soil and water?
a)
Decanting
b)
distillation
c)
Filtration
d)
Chromatography
126.
Which one of the following solids is insoluble in water?
a)
sugar
b)
sand
c)
copper sulfate
d)
salt
127.
Two or more substances mingled together, but not chemically combined are known as a
a)
residue
b)
solution
c)
distillate
d)
mixture
128.

The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as

a)

decanting

b)

evaporation

c)

loading

d)

chromatography

129.

Which one of the following methods is used to separate the colors in food dyes?

a)

winnowing

b)

Threshing

c)

Crystallization

d)

chromatography

130.
When we combined the sand and water together, it formed a _________.
a)
mixture
b)
solution
131.
To separate sand and iron filings you would use a  ___________.
a)
a screen strainer
b)
coffee filter paper
c)
a magnet
d)
your hands
132.
A salad is an example of which?
a)
element
b)
compound
c)
mixture
d)
solution
133.
What does this picture represent?
a)
mixture
b)
solution
134.
Which statement describes a mixture?
a)
2 or more substances that CANNOT be easily separated
b)
2 or more substances that CAN be easily separated
c)
An example of a mixture is lemonade
d)
An example of a mixture is a Kool-Aid
135.
When one substance dissolves in another and the particles  are distributed uniformly throughout the other substance is a
a)
Mixture 
b)
Solution
136.

The substance that does the dissolving

a)

Solute

b)

Solvent

c)

Solution

d)

Miscibility

137.

The substance getting dissolved

a)

Solvent

b)

Solute

c)

Solution

d)

Mixture

138.

This is an example of a

a)

Solution

b)

Mixture

139.

Which process would you use to separate solid particles from larger particles in a mixture with filter paper in a funnel to trap solids so that the liquids will pass through.

a)

Chromatography

b)

Magnetic Attraction

c)

Filtration

d)

Floatation

e)

Sifting

140.

Which is an example of a solution?

a)

trail mix

b)

cereal with milk and banannas

c)

a bag of candy

d)

tea

141.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
142.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
143.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
144.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
145.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
146.
What's the role of consumers in a food chain?
a)
Use sunlight to make food 
b)
Eat other species and keep them from overpopulating
c)
Break down dead stuff
d)
Add nutrients to the soil
147.
What is the role of decomposers in a food chain?
a)
Use sunlight to make food
b)
Eat other organisms to gain energy
c)
Make the food for the whole food chain
d)
Break down dead organisms and add nutrients to the soil
148.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
149.
Which type of consumer eats plants only?
a)
Herbivores
b)
Omnivores
c)
Carnivores
d)
Scavengers
150.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
151.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
152.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
153.
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.
154.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them. 
b)
They may eat more than one other organism. 
c)
This organism gets its energy from multiple sources. 
d)
They have no resources available to them.

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