PS.7.2.3 - Electricity & Circuits

What is the process called when energy moves from a warmer object to a cooler object?

• Mechanical transfer

• Thermal transfer

• Electrical transfer

• Chemical transfer

Which device converts chemical energy into electrical energy?

• Generator

• Battery

• Solar panel

• Motor

What is the main function of a generator?

• Converts electrical energy to mechanical energy

• Converts mechanical energy to electrical energy

• Stores electrical energy

• Converts thermal energy to chemical energy

What do we call a path for an electrical current to flow around?

• Circuit

• Battery

• Switch

• Insulator

Which type of circuit has all parts connected end to end to provide a single path for current?

• Parallel circuit

• Series circuit

• Open circuit

• Short circuit

What is green energy also known as?

• Fossil energy

• Clean energy

• Nuclear energy

• Stored energy

Which of the following is an example of green energy?

• Coal power

• Solar power

• Natural gas

• Oil

What does the Law of Conservation of Energy state?

• Energy can be created and destroyed

• Energy cannot be created or destroyed, only transformed

• Energy is always lost as heat

• Energy can only be stored, not used

What type of energy transfer occurs when moving objects push or pull on another object?

• Electrical transfer

• Mechanical transfer

• Thermal transfer

• Chemical transfer

Which type of circuit contains more than one path for current flow?

• Series circuit

• Parallel circuit

• Closed circuit

• Open circuit