Task List #16 - Electric Forces

The transfer of what type of atomic particle is responsible for the static charges on objects?

• neutrons
• protons
• electrons
• none of these

Tags

NGSS.MS-PS2-5

What types of charges repel?

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

Tags

NGSS.MS-PS2-3

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

A balloon has a negative charge.  The glass rod has a positive charge.  What will happen when the glass rod is brought near the balloon?

• The balloon will be attracted to the rod
• The balloon will be repelled by the rod
• The balloon will remain in place
• The balloon will spin in circles

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

To demonstrate static electricity, a teacher takes an inflated balloon and rubs it against his hair.  The rubber balloon picks up electrons from his hair, which makes his hair have

• a net negative charge
• a magnetic force
• a net positive charge

If an object has more positive than negative charges, its electrical charge is...

• positive
• negative
• neutral or no charge
• opposite

A region around charged objects where the object´s electric force is exerted on other charged objects is an electric: 

• Field
• Outlet
• Socket
• Power plant 

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Having equal amounts of positive charge and negative charge

• electric discharge
• electrically neutral
• electric conductor
• electrically charged

Which type of charges do these balloons have?

• like charges
• opposite charges

Tags

NGSS.MS-PS2-3

Charged objects can be attracted to:

• Neutral objects 
• Objects with the opposite charge
• Both