Yr 8 Energy Transfer

In an exothermic reaction, heat is ...

• taken in
• given out

When a kettle boils, how is energy transferred to the thermal store of the water?

• Electrical work

• Mechanical work

• Heating

• Radiation

When a rollercoaster climbs to the top of a hill, how is energy transferred to the gravitational potential store?

• Electrical work

• Mechanical work

• Heating

• Radiation

___________ is when energy is transferred by a wave.

• Electrical work

• Mechanical work

• Heating

• Radiation

___________ is when energy is transferred between areas with different temperatures.

• Electrical work

• Mechanical work

• Heating

• Radiation

___________ is when energy is transferred because electricity flows.

• Electrical work

• Mechanical work

• Heating

• Radiation

___________ is when energy is transferred because a force moves an object over a distance.

• Electrical work

• Mechanical work

• Heating

• Radiation

When a battery powered train is turned on, how is energy transferred to the kinetic store?

• Electrical work

• Mechanical work

• Heating

• Radiation

What kind of energy is represented in the picture?

• Thermal
• Chemical
• Sound
• Nuclear

Which of the following is NOT an example of chemical energy?

• A glow stick

• A battery

• A rock about to fall off a cliff

• A burning match