8 Energy

the law of conservation of energy states that

• an object stays at rest

• energy can be created

• energy cannot be created or destroyed

• energy can be deleted

an object halfway off the edge of a desk has what type of energy?

• gravitational potential energy

• chemical energy

• elastic energy

• good vibes

Miss Humphries wants to go bungee jumping, what type of energy would be involved in a bungee jump? (CHOOSE 2)

• gravitational energy

• elastic energy

• electrical energy

• light energy

Before a game of sport, players often like to have a big meal, what type of energy are they aiming to increase?

• potential energy

• gravity

• chemical energy

• heat energy

An appliance that has a large amount of wasted energy decreases energy efficiency.

• true

• false

Many types of wasted energy occur when using a laptop. Select the one INCORRECT answer.

• heat

• light

• sound

• kinetic

Kinetic energy is to do with

• kids eating

• moving energy

• things heating up

• electricity

energy is:

• the best topic in science

• sunlight only

• when you get heaps keen for science

• the ability to make a change happen

transformation is when energy transitions into a different form of energy. e.g. potential energy into elastic energy

• true

• false

transfer of energy is when energy moves from one place to another

• true

• false