domestic and static electricity

Bending water with a charged balloon is an example of what type of charging (charging an object without touching)

• friction

• induction

• conduction

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

The difference between attraction and repulsion is that to attract is to pull something closer and repel is to push something away.

• True

• False

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

the positively charged particle in an atom, never leaves the nucleus, determines the element

• proton

• neutron

• electron

Tags

NGSS.MS-PS1-1

During a lab a balloon was rubbed with a wooly fabric. This is an example of which type of charging?

• conduction

• friction

• induction

What types of charges attract?

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

What happens when you touch a metal doorknob after rubbing your shoes on the carpet?

• The doorknob sends a burst of electric current into your body

• Millions of electrons go from your finger into the doorknob

• The doorknob sends millions of electrons into your finger

• Your finger becomes negatively charged

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

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

Tags

NGSS.HS-PS2-4

An object that is neutral contains the same number of electrons and protons.

• True

• False

Tags

NGSS.MS-PS1-1