A planned public or social occasion.
An event.
It makes things hot.
Heat.
Strength or energy.
Power.
To cause something to pass on from one place or person to another.
Transmit.
To throw back without absorbing.
Reflect.
__________ panels can be made from plastic, wood, or aluminum.
Solar
When you suppose something is true, without proof.
Assume.
An idea used to justify a course of action.
Theory.
To ______________ something is to prevent it from losing heat.
insulate
Generators transform other forms of energy into _________________ energy.
electrical
Wires ______________ electrical current.
conduct
One solar cell produces half a ____________ of electricity.
volt
Electricity goes by wire into a battery or directly into a ________________.
circuit
The amount of energy used by a light bulb is measured in ___________.
watts
A statement that makes something clear.
Explanation.
A kind of energy that is generated when the temperature rises.
Thermal.