Page 32 - Science Course 3 (Book 2)

Mo9-L1: Vocabulary Review

Direction: Explain the relationship for each set of terms on the lines provided. Use complete sentences.

1. electric f eld; electric force

2. electrically neutral; electrically charged

3. nucleus; electron; charge

4. electrically charged; electric discharge

Mo9-L1: Key Concept Organizer

Direction: Circle the term in parentheses that correctly completes each sentence.

1. (Atoms/Electric charges) are the tiny particles that make up all the matter around you.

2. An atom has a(n) (nucleus/electron) that is made up of two kinds of smaller particles called protons and
neutrons.

3. (Electrons/Protons) move around an atom’s nucleus.
4. (Protons/Neutrons) do not have electric charge.

5. (Electrons/Neutrons) have electric charge.
6. When (protons/electrons) transfer from one electrically neutral object to another, the objects become
electrically charged.

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