REINFORCEMENT Structures and classification of plants

Name: Date: Class:

1

Natural Science 5. Unit 1 PHOTOCOPIABLE MATERIAL

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1 Look for a plant with roots and a flower and draw it. Label the parts you know on your drawing. Then connect the organs you have identified with their function.

2 Use this key to classify the following plants.

This organ keeps the plant upright and supports it. It also carries substances through vessels.

This is the organ which captures sunlight and produces the nutrients the plant needs through photosynthesis.

This is the reproductive organ.

Does it have flowers?

Are the seeds located inside the fruit? Does it have roots, leaves and a stem with vessels?

Yes Yes

Yes

No

No

No

This organ enables plants to take water and minerals from the soil.

Angiosperm Gymnosperma Fern Moss

a) b) c) d)

REINFORCEMENT Plant reproduction

Name: Date: Class:

Natural Science 5. Unit 1 PHOTOCOPIABLE MATERIAL

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1 Cut out the images and put them in order on a timeline. Write down an explanation of what each one represents.

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Natural Science 5. Unit 1 PHOTOCOPIABLE MATERIAL

REINFORCEMENT Plant nutrition and environment

Name: Date: Class:

Look at the chart bellow. We can see the approximate variation in the quantity of carbon dioxide released in the air in a wood of beech trees.

1 When is the quantity of carbon dioxide at a maximum? And at a minimum?

2 What will it be like in atumn, higher or lower than in summer? Explain why.

3 Why do you think the quantity of carbon dioxide varies throughout the seasons?

4 There are also variations in the quantity of carbon dioxide released in the air during the day and at night. When will it be higher? Why?

3

winter summer winter summer

Seasonal variation

Qua

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car

bon

diox

ide

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