Page 40 - Science Course 3 (Book 2)

Mo9-L2: Vocabulary Review

Direction: On each line, write the term from the word bank that correctly replaces the underlined words
in each sentence. NOTE: You might need to change a term to its plural form.

charge electric circuit electric current

electric resistance generator light voltage

1. An electric current is produced by a(n) machine that transforms mechanical
energy to electric energy.

2. Electrons and protons are particles that have a def nite quantity of electricity.

3. A good conductor does not have much measure of how dif cult it is for an
electric current to f ow in a material.

4. Devices such as lights and computers are often powered by the movement of
electrically charged particles.

5. The sign says to stay away from the area due to the extremely high amount of
energy used to move one coulomb of electrons through the circuit.

6. Closed, or complete, paths in which electric currents f ow help transform electric
energy into useful forms of energy.

7. An electric current carries electromagnetic radiation you can see

Mo9-L2: Key Concept Organizer

Direction: Answer each question or respond to each statement in the space provided

Question Answer

1. What is an electric circuit?

2. What are the parts of a
simple electric circuit?

3. Give an example of a
source of electric energy.

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