Cambridge Primary (1-6). Stage 5. Science. Learner's Book - Unit 6: Seasons and adaptations of plants and animals

Question 1

What is this model of the Earth called?

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Question 2

What does the stick through the Earth represent?

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Question 4

Give reasons why the diagram above is a good model of the Earth orbiting the Sun.

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Question 5

In what way is the diagram not a good model?

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Question 6

Why is the shape of the orbit described as a ‘slight ellipse’?

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Question 7

Which force keeps the Earth in its orbit around the Sun?

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Question 8

While the Earth is orbiting the Sun, what other movement is the Earth making?

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Question 9

One year is 365¼ days. But we don’t have one day in the year that is only 6 hours long. How do we manage the ¼ day? (Use the internet to find this answer.)

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Question 10

On the diagram of the seasons, find Earth in the December position in its orbit.

Which hemisphere is tilted towards the Sun?

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Question 11

On the diagram of the seasons, find Earth in the December position in its orbit.

Which hemisphere is having summer? Why?

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Question 12

Find the September position of the Earth in its orbit.

Which hemisphere is tilted towards the Sun?

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Question 13

Find the September position of the Earth in its orbit.

Which season is the northern hemisphere having?

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Question 14

Find the September position of the Earth in its orbit.

Which season is the southern hemisphere having?

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Question 15

Which two factors cause the seasons?

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Question 16

The diagram shows Earth in its December position in its orbit around the Sun. Use the diagram to answer questions 1–3.

Which hemisphere is having summer? How do you know this?

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Question 17

The diagram shows Earth in its December position in its orbit around the Sun. Use the diagram to answer questions 1–3.

Which part of the world is having 24 hours of darkness?

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The diagram shows Earth in its December position in its orbit around the Sun. Use the diagram to answer questions 1–3.

What is the length of day at each of the points A, B and C? Answer for A.

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