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Worksheets

Science

Total questions: 21

Worksheet time: 12mins

Name
Class
Date
1.
  1. The REACTANTS or INPUTS of photosynthesis are:

a)

Energy from sunlight

b)

Oxygen

c)

Water

d)

Carbon dioxide

e)

glucose

2.

The PRODUCTS or OUTPUTS of photosynthesis are:

a)

Glucose

b)

Oxygen

c)

Water

d)

ATP Energy

e)

Energy (sunlight)

3.

Photosynthesis takes place in what organelle?

a)

Mitochondria

b)

Chloroplast

c)

Golgi Body

d)

Vacuole

4.

Plants make their own food during photosynthesis and that is called?

a)

Glucose

b)

Water

c)

Carbon Dioxide

d)

Photosynthesis

5.
  1. Photosynthesis and cellular respiration are opposite processes. One difference between the two is that photosynthesis produces oxygen, and cellular respiration produces carbon dioxide.

  2. TRUE or FALSE

a)

True

b)

False

6.

If you put a green leaf in a cup of water, would bubbles come out of it because photosynthesis is releasing oxygen?

a)

True

b)

False

7.

Photosynthesis and Cellular Respiration are ________

a)

Opposite

b)

The same

8.

During Photosynthesis carbon dioxide is _____ and oxygen is ________.

a)

Taken in

b)

Staying there

c)

Released

d)

Is turned into a vapor

9.

Respiration ________ carbon to the atmosphere, while photosynthesis _______ carbon from the atmosphere during the carbon cycle.

a)

Adds

b)

Releases

c)

Absorbs

d)

Removes

10.

Plants collect carbon dioxide through small pores in their leaves called...

a)

Glucose

b)

Carbon

c)

Oxygen

d)

Stomata

11.

Sunlight is essential for photosynthesis, because...

a)

Provides energy

b)

Makes ATP energy

c)

Helps plants grow

12.

During photosynthesis, the _________ helps the plants absorb and use energy from the sun, so that chloroplasts can aid in photosynthesis.

a)

Chlorophyll

b)

Glucose

c)

ATP Energy

d)

Water

13.

Energy storage molecules are made by...

a)

Secondary Consumers

b)

Decomposers

c)

Producers

d)

Consumers

14.

If the producers didn't make enough energy storage molecules the the ecosystem would...

a)

Grow stronger

b)

Die

c)

Make plants stop growing but animals getting more food

d)

Decomposers would turn the dead matter into more carbon dioxide and keep the ecosystem going.

15.

The energy that is used to make energy storage molecules that flow through an ecosystem

a)

originally comes from earth

b)

originally comes from energy

c)

originally comes from the sun

d)

originally comes from light

16.

water, salt, air and soil are examples of

a)

the periodic table

b)

energy factors

c)

biotic factors

d)

abiotic factors

17.

Abiotic factors are parts of the ecosystem that are

a)

not living

b)

living

18.

bacteria, dead plant and animal matter, algae, and animals are examples of

a)

Abiotic Factors

b)

Biotic Factors

c)

Energy

d)

The sun

19.

What is so important because it not only provides food (energy storage molecules) to the producers itself, but that is what supplies all of the food eaten by animals!

a)

Energy

b)

Sunlight

c)

Earth

d)

Photosynthesis

20.

Biotic Factors are part of the ecosystem that are not living

a)

True

b)

False

21.

Abiotic Factors are part of the ecosystem that are not living

a)

True

b)

False