Energy

Name the energy change is seen in this

State true or false: Wasted energy always becomes heat energy.

Name the energy change is seen in this

State True or False : When an object falls, its kinetic energy increases and gravitational potential energy decreases.

Identify the energy store : A charged mobile phone battery.

Which is the Input energy?

Identify the energy store : A soccer ball flying through the air after being kicked.

State true or false: Energy is created when a kettle boils.

Identify the energy store : A drawn bow (ready to shoot an arrow).

What is the total useful energy ?

Which is the wasted energy?

Identify the energy store : A hot iron straight from the heater.

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State True or False : A stretched spring stores elastic energy.

Fill in the blank