Study Jams Electricity

What causes electricity?

• the nucleus of an atom

• moving neutrons

• moving protons

• moving electrons

Tags

NGSS.MS-PS2-3

What type of charge do electrons have?

• negative charge

• positive charge

• no charge

• atomic charge

Answer explanation

Electrons may move almost at the speed of light as they travel around the nucleus...

Tags

NGSS.MS-PS1-1

What reaction can you expect when electrons hop from the atoms in one object to the atoms in another?

• a thermal reaction

• an electric reaction

• a solar reaction

• a nuclear reaction

Tags

NGSS.MS-PS1-5

Which of the following is an example of electricity that is created by nature?

• wind turbines

• socks in a dryer

• water dams

• lightning

Answer explanation

How hot is a lightning bolt? Only about 54,000 degrees Fahrenheit — roughly five times hotter than the surface of the sun!

Tags

NGSS.MS-PS2-3

What happens when you walk across a room and your shoes rub against the carpet?

• Protons move from your shoes to the carpet, giving the carpet a positive charge.

• Your shoes stick to the carpet.

• Electrons hop from the carpet to your shoes, creating static electricity.

• Nothing happens.

Tags

NGSS.MS-PS2-3

What causes your hair to stand up when you take off a winter hat?

• negative charges repelling each other

• negative charges attracting the positive charges

• positive charges attracting each other

• negative charges repelling the positive charges

Answer explanation

You can use static electricity to power up an ordinary household light bulb using a balloon and your hair.

Tags

NGSS.MS-PS2-3

What type of electricity occurs when you rub a balloon on your sweater?

• neutral electricity

• static electricity

• hydro electricity

• thermal electricity

What kind of charge do protons have?

• negative charge

• no charge

• neutral charge

• positive charge

Which is NOT a way we use electricity?

• lighting our streets and homes

• running machines

• lightning

• working our blenders

Tags

NGSS.4-PS3-2

Should you always do your Wednesday work for each class?

• yes

• no

• never

• only on the 1st Wednesday of the month