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Year 9 Homework - 19th January

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Last updated about 4 years ago
16 questions
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Question 1
1.

What type of energy store does a hot object have?

Question 2
2.

What type of energy store does a moving object have?

Question 3
3.

What type of energy store does a high-up object have?

Question 4
4.

What type of energy store does a battery have?

Question 5
5.

What type of energy store does a squashed tennis ball have?

Question 6
6.

What type of energy transfer is light?

Question 7
7.

What type of energy transfer occurs when a ball is dropped?

Question 8
8.

What type of energy transfer occurs when an object is pushed?

Question 9
9.

What type of energy transfer occurs when a kettle bils water?

Question 10
10.

What type of energy transfer occurs when you charge your phone?

Question 11
11.

An object or group of objects are called …

Question 12
12.

An open system is...

Question 13
13.

A closed system is...

Finish these statements about the law of conervation of energy.
Question 14
14.

Energy cannot be...

Question 15
15.

Energy can only be...

Question 16
16.

Describe the energy transfer that takes place when an electric car accelreates then breaks.