U3 NGSQ 2

U3 NGSQ 2

Review

Multiple Select

Which of the following charges will repel one another?

• + and -

• + and +

• -and -

• -and +

• All charges will repel

Multiple Choice

Which type of charges will attract?

• two positive charges

• two negative charges

• Opposite charges

• All charges

Multiple Choice

Becca is wearing a sweater made of wool. When she removes her sweater some strands of her hair stand up and move away from one another. Which of the following statements best explains why the strands of hair stand up and move apart?

• Removal of the sweater causes the hair strands to become magnetized.

• Removal of the Sweater causes the hair strands to have different charges.

• Removal of the Sweater causes the hair strands to have the same charges.

• Removal of the sweater causes the hair strands to create an electrical circuit.

Multiple Choice

After rubbing a balloon in your hair you place it on your blanket. Strings from the blanket start to attract to the balloon. Why did they do this?

• They lost their charge.

• The have opposite charges.

• They have the same charges.

• The balloon is under the blanket lifting the stings.

Multiple Choice

You have a positively charged object and a negatively charged object. Which object will attract to a neutral object? (Neutral objects share equal amounts of protons and electrons)

• The positively charged object will attract

• The negatively charged object will attract

• Both objects will attract

• Neither object will attract.

Positive and negative charge review

https://www.youtube.com/watch?v=qjJQKuE4BX8

https://www.youtube.com/watch?v=jLgSXryMxwM

https://www.youtube.com/watch?v=RuSXy32JagA

Multiple Choice

When making mac n cheese, kevin fills the pot with water and places it on the electric stove. How does the energy transform for the water in the pot to boil?

• Electrical to water

• Electrical to wind

• Electrical to heat

• Electrical to magnetic

Multiple Select

Which of the following are examples of electrical energy turning into sound energy?

• Hearing a voice on a cell phone

• An alarm ringing

• a refrigerator opening

• a dog barking at a toaster

• the television playing a movie

Multiple Choice

Which is an example of electrical energy to sound energy to heat energy.

• Toaster

• Hair dryer

• an unplugged refrigerator

• The phone ringing and you answering it.

Multiple Choice

Billy created a circuit by connecting a battery to a small light bulb with metal wires. Which form of energy transfer takes place to turn the lights on?

• Heat to light

• light to electric

• electric to light

• light to heat

Multiple Choice

What is kinetic energy?

• energy that is not moving

• energy that is moving

Multiple Choice

Which has the most potential energy?

• A ball at the bottom of the hill

• A ball at the top of the hill

• a ball moving down the hill

• a ball at the middle of the hill.

Video Review

transformation of energy-

https://www.youtube.com/watch?v=-8atIc3XixY

kinetic energy -

https://www.youtube.com/watch?v=quxEz2qxo9soutu.be/-8atIc3XixY