Charge Interactions

Electric charges that are alike _______ each other.

• Attract

• Repel

Tags

NGSS.MS-PS2-3

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

How could I increase the strength of my electromagnet?

• More Batteries

• Smaller paper clips

• More loops of copper wire

• Larger Nail

Tags

NGSS.MS-PS2-3

Which of the following is caused by static electricity?

• a stove getting hot when it is turned on

• a magnet being attracted to a refrigerator

• a lightning strike during a storm

• a light bulb coming on when a switch is turned on

The table provided shows data collected by students during an investigation of two electromagnets. Which of the following conclusions is supported by data on the table?

• When two electromagnets are of like charges, they attract each other.

• Electromagnets that repel each other have more force than those that attract each other.

• The greater the charges of two electromagnets, the greater the size of the force.

• If the charge on one magnet is positive, the charge on the other must be negative.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is an electric force?

• The size or quantity of something

• Attractive or repulsive interactions between any two charged objects

• A directional flow of electrical charge through an object or medium

• How strong a magnet is

Tags

NGSS.MS-PS2-3

What happens when two objects with the same type of charge are brought close to each other?

• They attract each other

• They repel each other

• They have no interaction

• They neutralize each other

Tags

NGSS.MS-PS2-3

Which of the following particles has a negative charge?

• Proton

• Neutron

• Electron

• Positron

What is the charge of a neutron?

• Positive

• Negative

• Neutral

• Variable