Unit 2 Review

The switch ____________

• Lets you turn energy on and off
• is the power source

A conductor is a material that doesn’t allow electrons to flow through it easily.

• T
• F

Tags

NGSS.HS-PS2-5

What is electricity?

• a form of energy
• heat
• power source

Tags

NGSS.4-PS3-2

NGSS.4-PS3-4

Electricity can be found in nature through animals, people, and weather

• F
• T

Electrical energy can change into heat, motion, and light energy

• T
• F

Tags

NGSS.MS-PS3-5

What is an electrical circuit?

• lets you turn the energy on and off
• a closed path where where electricity flows
• stop electricity from flowing through

conductors

• power source
• turns energy on and off
• let electricity flow through easily
• stop electricity from flowing through easily

insulators

• power source
• turns energy on and off
• let electricity flow through easily
• stop electricity from flowing through easily

What is a good conductor?

• wood
• metal
• plastic
• battery

What is a battery?

• switch
• power source
• insulator