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Worksheets

Test Review!

Total questions: 53

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

What is the role of the Sun in the process of Photosynthesis?

a)

The sun delivers food to the plant

b)

The sun is the main source of Energy for the plant

c)

The sun lets the plant go through cellular respiration

2.

What is the role of the chlorophyll in the process of photosynthesis?

a)

Chlorophyll releases energy from the sunlight

b)

Chlorophyll absorbs sunlight to make food for plants

c)

Chlorophyll releases carbon dioxide from the plant

3.

What is the role of water in the process of Photosynthesis?

a)

Water helps convert oxygen into carbon dioxide

b)

water is used to send nutrients and oxygen through the plant

c)

water is used to excrete waste from the plant

4.

Which of these are starting materials for Photosynthesis? (Select all that apply)

a)

Sunlight

b)

ATP Energy

c)

Water

d)

Oxygen

e)

Carbon Dioxide

5.

Which of the following correctly explains Photosynthesis?

a)

Oxygen is absorbed by plants - Carbon Dioxide is released

b)

Carbon Dioxide is absorbed by plants - Oxygen is released

6.

Which organelle is responsible for Cellular Respiration? Which is responsible for Photosynthesis?

a)

Nucleus - C.R and Chloroplasts - P.S

b)

Chloroplasts - C.R and Mitochondria - C.R.

c)

Mitochondria - C.R and Chloroplasts - P.S.

d)

Cell Wall - C.R. and Chloroplasts - P.S.

7.

Take a look at the model of Photosynthesis.

What is incorrect about it?

a)

Water and Oxygen

b)

Carbon Dioxide and Oxygen

c)

Carbon Dioxide and Sugar

d)

Carbon Dioxide only

e)

No incorrect labels on the picture

8.

Take a look at the model of Cellular Respiration.

What is incorrect about the model?

a)

Everything

b)

Cellular Respiration does not occur in the Mitochondria

c)

Oxygen is absorbed and Carbon Dioxide is Released

d)

The Energy created by Cellular Respiration is sunlight energy

9.

What is the correct formula for Photosynthesis?

a)

Sun + Oxygen + Carbon Dioxide --> Water + Glucose

b)

Sun + Water + Carbon Dioxide --> Oxygen + Glucose

c)

Glucose + Oxygen --> Water + Carbon Dioxide + Energy

d)

None of these are correct

10.

What is the correct formula for Cellular Respiration

a)

Glucose + Carbon Dioxide --> Water + Oxygen + Energy

b)

Sun + Water + Carbon Dioxide --> Oxygen + Glucose

c)

Glucose + Oxygen --> Water + Carbon Dioxide + Energy

d)

None of these are correct

11.

The process of Cellular Respiration adds carbon to the atmosphere. Which living organisms go through this process?

a)

only Animals release CO2 when they breathe out

b)

only Plants release CO2 when they breathe out

c)

Both Animals and Plants release CO2 when they breathe out

d)

all non-living organisms release CO2 from their cells

12.

How do Autotrophs get the energy they need for life processes?

a)

They eat other organisms for energy

b)

They use the nutrients in the soil for energy

c)

They do not need energy for life processes

d)

They convert sunlight into food that they use for energy

13.

How do Heterotrophs get the energy they need for life processes?

a)

They eat other organisms for energy

b)

They find ways to survive on just water

c)

They do not need energy for life processes

d)

They convert sunlight into food that they use for energy

14.

According to the Law of Conservation of Energy....

During the process of Photosynthesis, the sun's energy is....

a)

The sun's energy is destroyed when absorbed into the plant

b)

The sun's energy is created inside the plant

c)

The sun's energy is converted into chemical energy

d)

The sun's energy is converted into light energy

15.

Which of these paths is a logical path that Carbon would take while moving around our Earth.

a)

Atmo --> Plant --> Animal --> Ground

b)

Atmo --> Animal --> Plant --> Ground

c)

Ground --> Animal --> Plant --> Atmo

16.

Which one of these does not add CO2 to the atmosphere?

a)

cooking with gas

b)

planting trees

c)

burning wood

d)

riding in a bus

17.

Organisms that do not decompose can be buried and become what?

a)

water

b)

nutrients

c)

air

d)

fossil fuels

18.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
19.

Carbon can be found in...?

a)

The atmosphere

b)

Inside of the Earth

c)

Fossil fuels

d)

All of the above!

20.

Carbon enters the soil through dead plant or animal matter.

a)

Decomposition

b)

Respiration

c)

Photosynthesis

d)

Diffusion

21.

The primary source of energy for all food chains starts with the _____________

a)

Plant / Producer

b)

Sun

c)

Deer / Consumer

d)

Water

22.
A pyramid shape is used to show the amount of available energy at each trophic level because... 
a)
energy decreases as you go up the food chain, just like the pyramid shape gets smaller as you go up. 
b)
energy increases up the food chain just like the pyramid shape gets smaller as you go up. 
c)
energy amounts are the same at each trophic level
23.
If only 10% of an organism's energy is available for the next trophic level, what happens with the other 90% of the energy?
a)
It is destroyed after it is used up.
b)
It is used for life processes or lost as body heat.
c)
It remains for the next trophic level IF the predator consumes ALL of the organism.
d)
It is lost completely as body heat. 
24.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
25.

Which level contains the least amount of available energy?

a)

A

b)

B

c)

C

d)

D

26.

Giraffes eat only plants.

a)

herbivore

b)

carnivore

c)

omnivore

d)

decomposer

27.

What is this?

a)

herbivore

b)

carnivore

c)

omnivore

d)

decomposer

28.

Science is durable (reliable) but can ____________________over time with new evidence or new information

a)

be proven wrong

b)

be proven correct

c)

change

29.

Tom is creating an experiment to see what food his pet lizard likes the best. He creates an experiment in which he offers his lizard a choice of crickets or mealworms. He records how much of each choice is eaten each day. At the end of two weeks, Tom finds the lizard has eaten a few more mealworms than crickets. What is the independent variable?

a)

type of food

b)

type of lizard

c)

how much the lizard ate

d)

which food the lizard liked best

30.
The independent variable is the ONE thing you _____.
a)
change
b)
keep the same
c)
experiment with
d)
investigate
31.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the dependent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

32.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the independent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

33.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What is the dependent variable?

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

One plant is in the sunlight and the other is under a box

34.

Zach wants to determine if the amount of time spent on social media has an effect of grades. What is the dependent variable?

a)

popularity

b)

computer skills

c)

time on social media

d)

grades

35.

Alisson does an experiment to see how long it takes for a teaspoon of sugar to dissolve in a cup of water. She does this three times and then asks Carpaur to copy her experiment to see if he gets similar results. This is an example of what?

a)

repetition

b)

replication

36.

Ms. Hayward conducts a study to see which period students are most late to. She does this for five days. This is an example of...

a)

repetition

b)

replication

c)

torturing students

37.

The purpose of this study was to discover

a)

if water depth affects temperature

b)

If water depth affects the number of fish

c)

If temperature affects the depth of water

38.
Which is the dependent variable in Amelia's experiment?
a)
the number of bean plants in each group 
b)
the amount of water given daily to each plant 
c)
the height of each bean plant 
d)
the amount of fertilizer given to each group of bean plants
39.
How many independent variables should be tested at a time in a scientific investigation?
a)
none
b)
one
c)
two
d)
three
40.

Which statement below fits the data table?

a)

A pH of 6 shows the best plant growth

b)

A pH of 4 grows the best plants

c)

A pH of 5 grows the best plants

d)

a pH of 4 or 5 grew the best plants

41.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
42.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
43.
An organism that gets energy from eating other organisms is a ______________.
a)
producer
b)
consumer
c)
decomposer
d)
prey
44.
An animal that gets energy from eating both plants and animals is a(an) _____________.
a)
herbivore
b)
carnivore
c)
omnivore
d)
autotroph
45.
What is a carnivore?
a)
an animal that gets energy by eating other animals
b)
An animal that gets energy by eating only plants
c)
an animal that gets energy by eating both plants and animals
d)
an animal that makes its own energy through photosynthesis
46.
A connection of food chains with many food energy paths in an ecosystem is a ____________.
a)
ecosystem
b)
food web
c)
environment
d)
population
47.
Which of the following is NOT a consumer?
a)
grass
b)
dog
c)
shark
d)
fish
48.

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

a)

80%

b)

90%

c)

10%

d)

20%

49.
Which of the following add carbon dioxide to the atmosphere?
a)
volcanoes
b)
combustion of fossil fuels
c)
animal and plant respiration
d)
all of these
50.

What is happening at 1?

a)

cellular respiration: releasing CO2

b)

decomposing, releasing CO2 in the soil

c)

photosynthesis: absorbing CO2

d)

turning CO2 from the atmosphere into organic molecules

51.

During photosynthesis, carbon is moved from which reservoir to which reservoir?

a)

From the atmosphere to the biosphere.

b)

From the troposphere to the biosphere.

c)

From the lithosphere to the biosphere.

d)

From the hydrosphere to the biosphere

52.

What is happening at 4?

a)

cellular respiration: releasing CO2

b)

decomposing, releasing CO2 in the soil

c)

photosynthesis: absorbing CO2

d)

turning CO2 from the atmosphere into organic molecules

53.

What is happening at 2?

a)

cellular respiration: releasing CO2

b)

decomposing, releasing CO2 in the soil

c)

photosynthesis: absorbing CO2

d)

turning CO2 from the atmosphere into organic molecules