Energy Y9

Energy is measured in.....

• kilograms

• metres per second

• Joules

• metres

Which energy store is missing? Magnetic, electrostatic, nuclear, gravitational, elastic, thermal, chemical and....

• heating

• lighting

• kinetic

• sounding

Energy cannot be created or destroyed, it can only be _________ between the stores

• removed

• dissipated

• transferred

• stored

When a kettle boils, energy is transferred from the electrostatic store to the _________________ energy store.

• chemical

• kinetic

• elastic

• thermal

On a rollercoaster, the gravitational potential is at its highest/lowest when it reaches the top of the track

• highest

• lowest

What is the equation to work out kinetic energy?

• mass x velocity

• 0.5 x mass x velocity

• 0.5 x mass x velocity³

• 0.5 x mass x velocity²

What is the equation to work out gravitational potential energy?

• mass x gravitational field strength x height

• 0.5 x mass x velocity²

• mass x height

• height x gravitational field strength

What is the unit of measurement for mass?

• grams

• kilograms

• metres

• metres per second

• mass

• height

• energy

• work done

What is the unit of measurement for Power?

• metres

• kilograms

• Watts

• Joules