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Year 9 Homework - 19th January
By Kieran Amery
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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?
Kinetic
Graviational potential
Thermal
Elastic potential
Chemical
Question 2
2.
What type of energy store does a moving object have?
Kinetic
Graviational potential
Thermal
Elastic potential
Chemical
Question 3
3.
What type of energy store does a high-up object have?
Kinetic
Graviational potential
Thermal
Elastic potential
Chemical
Question 4
4.
What type of energy store does a battery have?
Kinetic
Graviational potential
Thermal
Elastic potential
Chemical
Question 5
5.
What type of energy store does a squashed tennis ball have?
Kinetic
Graviational potential
Thermal
Elastic potential
Chemical
Question 6
6.
What type of energy transfer is light?
Electrical
Mechanical
Heating
Radiation
Question 7
7.
What type of energy transfer occurs when a ball is dropped?
Electrical
Mechanical
Heating
Radiation
Question 8
8.
What type of energy transfer occurs when an object is pushed?
Electrical
Mechanical
Heating
Radiation
Question 9
9.
What type of energy transfer occurs when a kettle bils water?
Electrical
Mechanical
Heating
Radiation
Question 10
10.
What type of energy transfer occurs when you charge your phone?
Electrical
Mechanical
Heating
Radiation
Question 11
11.
An object or group of objects are called …
An energy store
An energy transfer
A system
An engine
Question 12
12.
An open system is...
A system in which energy can be transferred to and from the environment.
A system in which energy cannot be transferred to and from the environment.
Question 13
13.
A closed system is...
A system in which energy can be transferred to and from the environment.
A system in which energy cannot be transferred to and from the environment.
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.