Electricity

The purpose of a __________ is to control whether a circuit is closed or open.

• Force
• Switch
• Lever
• Energy

Electrical energy in solar cells comes from _________ energy from the sun.

• Mechanical
• Thermal
• Radiant
• Kinetic

A ____________ changes the electrical energy into something else (light bulb changes electrical to radiant energy).

• Switch
• Circuit
• Cell
• Transformer

A closed circuit allows the _______________ to flow.

• Water
• Electricity
• Fuel
• Rays

If the circuit is not closed, then the electricity cannot flow and the circuit is an ______________ circuit.

• Open
• Closed
• Loose
• Radiant

Electrical energy can be changed into mechanical, light, heat or _________________ energy.

• Optional
• Distant
• Sound
• Wind

Burning fuels is ______________ energy.

• Sound
• Potential
• Radiant
• Chemical

The electrical energy in a battery comes from stored _________________ energy.

• Kinetic
• Chemical
• Thermal
• Radiant

The electrical energy in outlets may come from chemical energy(burning fuels) which powers a generator in a __________  ___________.

• Tree House
• Power Plant
• Rubber Band
• Kinetic Potential

A  _____________ of electrical energy (wire) connects all parts of the closed circuit.

• Iron
• Generator
• Insulator
• Conductor