Harbin Warm up #53 2021-2022

Electric energy can be transformed into

• light, mechanical, sound, and heat
• taste, sound, stored, and heat
• stored, mechanical, taste, and light
• sound, mechanical, taste, and heat

How can it be explained that someone's hair can stick to a balloon?

• There is static electricity.

• There is too much dust in the air.

• The person needs to wash his hair.

Tags

NGSS.MS-PS2-3

Opposite charges _______________.

• attract

• repel

• nothing changes

Like charges _______________.

• attract

• repel

• nothing changes

The flow of electric charge in a circuit is called _______.

• Heat

• Sound

• Electric Current

• Magnetic

A/an _________________ is an object that will allow electricity to flow through it.

• insulator
• conductor

A/an _________________ is a material that will not allow electricity to flow through it.

• insulator
• conductor

A particle that carries a negative electric charge is called a(n) ______.

• neutron
• atom
• proton
• electron

A circuit that is connected to Earth is said to be _____.

• series
• parallel
• grounded
• discharged

The flow of electricity requires a

• complete path
• incomplete path
• insulated current