Physics level 8 Quiz

Thermal energy

Chemical energy

Gravitational potential energy

Elastic potential energy

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

Chemical to thermal

Electrical to light

Chemical to electrical

Thermal to light

Appliance choice

Building design

The colour of the walls

Season and climate

Volt

Ampere

Ohm

Watt

Heat from a fire warming your hands

Heat moving through a metal rod

Warm air circulating in a room

Light from a bulb

$$\frac{\text{Useful energy output}}{\text{Total energy input}} \times 100\%$$

$$\frac{\text{Total energy input}}{\text{Useful energy output}} \times 100\%$$

$$\text{Useful energy output} - \text{Total energy input}$$

$$\text{Total energy input} + \text{Useful energy output}$$

Resistor

Battery

Switch

Light bulb

Kinetic energy

Chemical energy

Gravitational potential energy

Elastic potential energy

Thermal

Chemical

Gravitational

Frictional