Physics level 8 Quiz

What type of energy is stored in a stretched rubber band?

• Thermal energy

• Chemical energy

• Gravitational potential energy

• Elastic potential energy

Which of the following is an example of energy transfer by conduction?

• Heat from the Sun warming your face

• Heat moving through a metal spoon in a hot drink

• Warm air rising to the ceiling

• A microwave heating food

What is the main form of energy transformation in a battery-powered torch?

• Chemical to thermal

• Electrical to light

• Chemical to electrical

• Thermal to light

Which of the following factors does NOT affect household energy consumption?

• Appliance choice

• Building design

• The colour of the walls

• Season and climate

What is the unit of electrical current?

• Volt

• Ampere

• Ohm

• Watt

Which of the following is an example of energy transfer by convection?

• Heat from a fire warming your hands

• Heat moving through a metal rod

• Warm air circulating in a room

• Light from a bulb

What is the formula for calculating energy efficiency?

Which component in an electrical circuit is used to control the flow of current?

• Resistor

• Battery

• Switch

• Light bulb

What type of energy is primarily involved when a ball is dropped from a height?

• Kinetic energy

• Chemical energy

• Gravitational potential energy

• Elastic potential energy

Which of the following is NOT a form of energy?

• Thermal

• Chemical

• Gravitational

• Frictional