Force, Motion, & Energy

Match each word with the correct definition.

• C. energy of charged particles

• Thermal Energy

• B. material that stops or slows energy

• Electricity

• E. another name for electrical energy

• Insulator

• D. material that allows energy to flow

• Electrical Energy

• A. heat energy

• Conductor

Circle the items that are considered electrical conductors:

• penny

• paper clip

• sponge

• metal spoon

• wooden spoon

Circle the items that are considered electrical insulators:

• plastic block

• metal spoon

• card

• wooden spoon

• cork

Look at the following boxes and select all the examples of poor conductors of thermal energy:

• Wood

• Plastic

• Rubber

• Fabric

• Glass

According to her data table, which spoon is the best thermal insulator?

• wooden spoon

• plastic spoon

• metal spoon

According to her data table, which spoon was the best thermal conductor?

• wooden spoon

• plastic spoon

• metal spoon

Match each word with the correct definition.

• Circuit

• B. path along which an electrical current flows

• Path

• A. power source

• Battery

• C. a thin, flexible conductor of electricity

• Wire

• D. where the current travels

Match each word with the correct definition.

• Closed Cirquit

• G. a broken circuit

• Open CIrcuit

• E. the flow of electrons in a circuit

• Switch

• F. Controls the flow of energy

• Electrical current

• H. a working circuit

Which of the following circuits is considered an open circuit?

• [Image of circuit a]

• [Image of circuit b]

• [Image of circuit c]

• [Image of circuit d]

Of the circuit parts, which material is considered optional, but can help them control the flow of electricity?

• wire

• battery

• lightbulb

• switch