Electric Force and Fields Formative 1.30

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A positive charge.
• A negative charge.
• A neutral charge
• No charge at all

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What types of charges repel?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Neutral and Neutral

Consider the electric field lines shown in the diagram below. From the diagram, it is apparent that object A is ____ and object B is ____.

• +,+
• +,-
• -,+
• -,-

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NGSS.MS-PS2-5

The closer the charges, the ___________ the force between them

• closer
• further
• stronger
• weaker

Tags

NGSS.MS-PS2-3

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

Electric charges that are different _______ each other.

• Attract
• Repel

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Electrical forces are...

• Invisible

• Visible

• Not Real

• Dangerous

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Particles with like charges...

• Repel

• Attract

• are neutral

• like to go to parties.

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NGSS.MS-PS2-3

The area of electric force around an electrically charged particle is called an...

• Electric Force

• Electric Field

• Electricity

• Attract and Repel

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NGSS.MS-PS2-5

Are electric fields unidirectional?

• Yes (they don't make loops).

• No (they make loops).