Unit 2 - Field Forces

What types of charges attract?

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

What charge does a proton have?

• negative (-)
• positive (+)
• neutral or no charge (0)

What charge does an electron have?

• negative (-)
• positive (+)
• neutral or no charge (0)

Tags

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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

Tags

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An object becomes postiively charged when which of the following occurs?

• loses electrons
• gains electrons
• loses protons
• gains neutrons

Tags

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The difference between attraction and repulsion is that to attract is to pull something closer and repel is to push something away.

• True

• False

Tags

NGSS.MS-PS2-5

In a neutral atom, the number of electrons is equal to the number of _______.

• Neutrons
• Orbits
• Protons
• subatomic particles

An object becomes charged when the atoms in the object gain or lose

• electrons
• protons
• neutrons
• all of the above

Tags

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This is when electrons are rubbed off one object and rubbed onto another

• Friction

• Conduction

• Induction

Tags

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Electrical charge built up on the surface of an object is called _________________.

• static electricity
• current electricity
• lightning
• electrons