Static Electricity

If an object has the same number of positive & negative charges, its electrical charge is...

• positive

• negative

• neutral or no charge

• opposite

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

NGSS.MS-PS2-3

Static electricity is 

• The balance of electrical charge on an object
• The imbalance of electrical charge on an object
• The discharge of electrical charge
• The build up of protons in the nucleus of an atom 

Materials that tightly hold on to their electrons are considered 

• Good conductors
• Good insulators
• Good anti-static agents
• Useful for storing charge

Which one of these objects is a good insulator

• Copper wire
• Glass
• Aluminum 
• Gold

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

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

NGSS.MS-PS2-3

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

• Neutrons
• Orbits
• Protons
• subatomic particles

If two charges repel each other, the two charges could be

• Positive & neutral

• Positive & negative

• positive & neutral

• negative & negative

Tags

NGSS.MS-PS2-3

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

• electrons
• protons
• neutrons
• all of the above

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5