Energy Vocab
What is energy?
The ability to make things move or change.
What does transfer mean?
To move energy from one object or place to another.
A rolling ball?
Kinetic
What is a system?
A set of parts that work together
Why does rescue equipment need a energy source?
It needs energy to operate.
What does potential energy mean.
Stored energy.
What does convert mean?
To change energy from one type to another.
A charged battery sitting on a shelf?
Potential
Name two parts of a flashlight system
The battery and the bulb
Name one invention people can power on with their movements
Hand crank, energy capturing bike or backpack.
What does kinetic energy mean?
Energy of motion.
A battery gives energy to a flashlight. Is energy being transferred or converted between the two objects?
Transferred
A wind-up toy that is wound up but still?
Potential
Where does a solar panel get energy?
The sun
Whats a problem with solar panels?
It cant capture light at night.
True or false - A device can create energy?
False
A flashlight changes electrical energy into light . Is that a transfer or a conversion?
Conversion
A fan that's spinning?
Kinetic
A phone starts playing music after it is plugged into a battery pack. Which object gave energy to the phone?
The battery pack.
A backpack captures energy as someone walks, why is it called human powered?
The person is supplying the movement.
What happens to energy when it leaves on object and goes to another?
Its transferred.
Explain one transfer and one conversion in a hand crank flashlight.
Energy transfers from the person to the flashlight, the flashlight converts energy into the light.
A bicycle is parked at the top of a hill, then rolls downhill
Its stored potential energy changes to kinetic energy as it moves.
Why does a battery pack have less stored energy after charging a phone?
It transferred energy to the phone already.
Make a claim about which energy source could help a rescue team, and give one piece of evidence.
A hand crank generator can work without sunlight because a person is turning it.