GCSE PHYSICS Retrieval Quiz 19 - Energy

Answer the question from the image.

When an object is lifted in a gravitational field, energy is transferred to a gravity store. This store is called gravitational potential energy.

• 100J

• 200J

• 300J

• 400J

Answer the question from the image.

In science, mass is the amount of matter an object has.

• Tons

• J

• G

• Kg

Answer the question on the image.

When work is done on an object, energy is transferred. The rate at which this energy is transferred is called power. So the more powerful a device is, the more energy it will transfer each second.

• 5W

• 2W

• 0.5W

• 0.2W

Answer the question on the image.

The amount of infrared radiation absorbed or radiated by a surface depends on the nature of that surface.

• White

• Black

• Silver

• Grey

Answer the question on the image.

Heat can be transferred by infrared radiation. Unlike conduction and convection - which need particles - infrared radiation is a type of electromagnetic radiation that involves waves.

• Plastic coating

• Vacuum

• Plastic cap

• Silver inner surface

Answer the question on the image.

The efficiency of a device is the proportion of the energy supplied that is transferred in useful ways.

• 10%

• 1000%

• 100%

• 0.1%

Answer the question on the image.

• Generator

• Wind

• Blades

• Tower

Answer the question from the image.

Solar energy is used to generate electricity and to produce hot water.

• It is cheap

• It is very big

• It is light dependent

• It needs lots of water

This can occur  in vacuum

• Convection
• Conduction
• Sound
• Radiation

You can reduce heat loss from your houses by using

• Loft Insulation
• Black sheets behind radiators
• Single glazing
• Opening the windows