Earth and Space assessment Year 5 worksheet - Free Printable

Problem Analysis and Solution

The worksheet contains four questions related to planets and Earth's rotation. Let's solve each question step by step.

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#### Question 1: Put the names of the planets in order.

The image shows four planets, and we need to identify them and place their names in the correct order from left to right.

- Leftmost Planet: This planet is small and has a heavily cratered surface. It is Mercury.
- Second Planet: This planet is large and has a yellowish-white appearance with visible cloud patterns. It is Venus.
- Third Planet: This planet is blue and white with visible landmasses and clouds. It is Earth.
- Rightmost Planet: This planet is reddish-orange and has a dusty, rocky surface. It is Mars.

So, the order is:
- Mercury
- Venus
- Earth
- Mars

Answer:
```
Mercury, Venus, Earth, Mars
```

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#### Question 2: What is rotation?

Rotation refers to the spinning of a celestial body on its own axis. The options are:

A. Earth spinning on its Axis
B. Earth going around The Sun
C. The moon going around the Earth
D. The earth staying still

- Option A: Correct. Rotation is the spinning of the Earth on its axis.
- Option B: Incorrect. This describes revolution, not rotation.
- Option C: Incorrect. This describes the Moon's orbit around the Earth.
- Option D: Incorrect. The Earth does not stay still; it rotates.

Answer:
```
A. Earth spinning on its Axis
```

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#### Question 3: How long does rotation on Earth last?

Rotation on Earth refers to the time it takes for the Earth to complete one full spin on its axis. The options are:

A. About 30 days
B. 60 minutes
C. 24 hours
D. 365 days

- Option A: Incorrect. 30 days is the approximate length of a month.
- Option B: Incorrect. 60 minutes is an hour, which is far too short.
- Option C: Correct. Earth completes one rotation in approximately 24 hours.
- Option D: Incorrect. 365 days is the length of one year.

Answer:
```
C. 24 hours
```

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#### Question 4: What does rotation cause?

Rotation of the Earth causes several effects, including day and night. The options are:

A. A year
B. Season
C. Day and night
D. A month

- Option A: Incorrect. A year is caused by the Earth's revolution around the Sun.
- Option B: Incorrect. Seasons are caused by the tilt of the Earth's axis as it revolves around the Sun.
- Option C: Correct. Rotation causes the alternation of day and night as different parts of the Earth face the Sun.
- Option D: Incorrect. A month is related to the Moon's orbit around the Earth.

Answer:
```
C. Day and night
```

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Final Answers:

1. Mercury, Venus, Earth, Mars
2. A. Earth spinning on its Axis
3. C. 24 hours
4. C. Day and night

Boxed Final Answer:
```
1. Mercury, Venus, Earth, Mars
2. A. Earth spinning on its Axis
3. C. 24 hours
4. C. Day and night
```