Static Electricity

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

If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that.....

• friction destroyed electrons in the rod.

• the silk has become negatively charged.

• protons have moved to the rod.

• glass attracts more protons.

Ms Pippin rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

• The balloons will repel each other.

• The balloons will attract each other.

• The balloons will become positively (+) charged.

• The balloons will pop.

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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

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

• static electricity
• current electricity
• lightning
• electrons

What types of charges attract?

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

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Will the balloons ATTRACT or REPEL each other?

• 
• 

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Will the balloons ATTRACT or REPEL each other?

• 
• 

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Only negative charges can move from one material to another.

• True

• False

Tags

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NGSS.HS-PS3-5