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MySci Unit 21 From Sun to Food

Total questions: 33

Worksheet time: 2hrs 38mins

Name
Class
Date
1.
A plant is a living thing.
a)
true
b)
false
2.

The _______ is the primary source of energy for all forms of life.

a)

soil

b)

air

c)

sun

d)

water

3.

What does the word "decompose" mean?

a)

To put together in a certain order

b)

To break down in smaller particles

c)

The roots of a plant

d)

To join together to make larger particles

4.

Where do organic materials go as they decompose?

a)

Back onto the tree

b)

Disney Land

c)

Into a box

d)

Into the soil

5.

A river is a living thing.

a)

True

b)

False

6.

Living things have which of the following characteristics? Check all that apply.

a)

Move

b)

Eat (get energy)

c)

Talk

d)

Reproduce

e)

Grow

7.

___________ is what is stored in materials/particles that allows living things to grow, move, reproduce, breathe and eat.

a)

Soil

b)

Matter

c)

Energy

d)

Air

8.
What do plants give off after photosynthesis?
a)
Oxygen
b)
carbon
c)
nitrogen
d)
hydrogen
9.
Plants need ________from the air for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
10.
Which statement about photosynthesis is correct?
a)
Plants get the energy they need for photosynthesis from water.
b)
Plants get the energy they need for photosynthesis from soil.
c)
Plants get the energy they need for photosynthesis from sunlight.
d)
Plants do not require energy to perform photosynthesis.
11.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
12.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
13.

What are the main structures of a plant?

a)

Root - Stem - Leaves

b)

Root - Tree - Flower

c)

Sunlight - Carbon Dioxide - Water

d)

Oxgen - Glucose - Water

14.
What part of the plant is #1?
a)
flower
b)
stem
c)
root
d)
leaf
15.
What part of the plant is #2?
a)
leaf
b)
flower
c)
stem
d)
root
16.
What part of the plant is #4?
a)
leaf
b)
flower
c)
stem
d)
root
17.
What part of the plant is #3?
a)
leaf
b)
root
c)
flower
d)
stem
18.

Which structure of the plant makes the food?

a)

roots

b)

stem

c)

leaf

d)

flower

19.
What is the function of the roots of a plant?
a)
Absorb water and minerals
b)
Capture sunlight for energy
c)
Support the plant
d)
Create food for the plant
20.

Which part of a plant makes seeds to reproduce?

a)

roots

b)

stem

c)

leaves

d)

flower or fruit

21.

_____________ is the process of using energy from the sun to produce food.

a)

root

b)

photosynthesis

c)

leaf

d)

flower

22.

Organisms in the Fourth Trophic Level are _______ of organisms in the Third Trophic Level.

a)

Prey

b)

Producers

c)

Consumers

d)

Decomposers

23.

Identify a type of organism that is missing from the energy pyramid model.

a)

Producer

b)

Consumer

c)

Decomposer

24.

Put the organisms in the correct order to form the food chain. What goes in the first box?

a)

Ant

b)

Lizard

c)

Snake

d)

Grass

25.

What organism goes in the second box?

a)

Ant

b)

Lizard

c)

Snake

d)

Grass

26.

What organism goes in the third box?

a)

Ant

b)

Lizard

c)

Snake

d)

Grass

27.

What organism goes in the last box?

a)

Ant

b)

Lizard

c)

Snake

d)

Grass

28.

The grass is considered a ___________.

a)

Producer

b)

Predator

c)

Decomposer

d)

Consumer

29.

Beetles, fungi, worms, and bacteria are all___________.

a)

Producers

b)

Consumers

c)

Decomposers

d)

Gross

30.

Which of the following is an abiotic factor?

a)

rocks

b)

trees

c)

grass

d)

twigs

31.

Which of the following is a biotic factor?

a)

water

b)

sun

c)

fallen tree

d)

rocks

32.

What helps plants grow, but is not necessary?

a)

water

b)

air

c)

soil

d)

carbon dioxide

33.

What is germination?

a)

When a plant takes in water.

b)

The sprouting of a plant from a seed.

c)

When a plant begins to flower.

d)

When a plant forms fruit.

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