Electric Charges

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

• +,+
• +,-
• -,+
• -,-

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the effect of two negatively charged objects coming near each other.

• The objects repel each other.

• The objects attract each other.

Tags

NGSS.MS-PS2-3

Which of the following can move from one atom to another?

• protons

• neutrons

• electrons

• the nucleus

What is a static charge?

• an electric charge that is unchanging

• an electric charge that is fluctuating

• an unbalanced charge on an object

• a balanced charge on an object

An object with a negative charge will be most strongly attracted to which of the following?

• an object with a weak positive charge

• an object with a strong positive charge

• an object with a weak negative charge

• an object with a strong negative charge

Tags

NGSS.MS-PS2-3

Ms Jo Jo 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.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The accumulation of excess electric charge on an object is called

• Static electricity 
• Electric discharge
• Resistance
• Circuit 

If a substance has an excess number of electrons on its surface, what type of charge does it have?

• A negative charge
• A positive charge
• A neutral charge
• A nuclear charge

Tags

NGSS.HS-PS2-5

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

• positive
• negative
• neutral or no charge
• opposite

What types of charges attract?

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