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Biblioteka

Year 9 Homework - 19th January

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Posljednje ažuriranje over 4 years ago
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Finish these statements about the law of conervation of energy.

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Pitanje 1
1.

What type of energy store does a hot object have?

Pitanje 2
2.

What type of energy store does a moving object have?

Pitanje 3
3.

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

Pitanje 4
4.

What type of energy store does a battery have?

Pitanje 5
5.

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

Pitanje 6
6.

What type of energy transfer is light?

Pitanje 7
7.

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

Pitanje 8
8.

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

Pitanje 9
9.

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

Pitanje 10
10.

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

Pitanje 11
11.

An object or group of objects are called …

Pitanje 12
12.

An open system is...

Pitanje 13
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A closed system is...

Pitanje 14
14.

Energy cannot be...

Pitanje 15
15.

Energy can only be...

Pitanje 16
16.

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