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SCI7A CHAOTIC KITCHEN ESCAPE U4TR

Alejandra Razo

Created on November 17, 2023

Science 7A Unit 4 Test Review

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Transcript

start

ChaoticKitchen

Escape room

After a long day, you arrive home and are surprised to find no one there. When you go to the kitchen, you find a note and decide to read it...

Look at the note on the fridge

Honey, I'm out to dinner. I left a recipe in the fridge for you to make dinner. Follow all the steps. I know you can do it!

Magnets

Poles

Electrical Current

Repel

Recipe

Electrons flow from one object to the other when they touch.

The 2 objects have the same electric charge.

The object do not have strong electrical fields.

One object has more electrons.

If two electrically charge objects repel one another, which statement must be true?

They will repel one another.

They will transfer their electrons from 1 to the other.

They will attract one another.

They will not affect one another.

2 pieces of silk have an electric charge after being rubbed on a piece of amber. What will happen when hte two silk pieces are brought colose together?

Yes due to the electrons jumping to the other balloon

No, objects have to touch

Yes due to the electric fields surrounding the balloon

No, the space between is filled with charged particles

Can two negatively charged balloons move apart without ever touching? Why or why not?

Magnets

Poles

Electical Current

Repel

Recipe

Continue

solution

D. pathway to carry the path

C. the light will turn on

B. a supply of electric harges flow

A. a push to move the charge thorugh

Put in order the steps to light up a lightbulb.

Magnets

Poles

Electrical Current

Repel

Recipe

Which diagram represents a motor?

Which diagram represents a generator?

Which battery will increase the magnetic field strength?

Magnets

Poles

Electrical Current

Repel

Recipe

Permanent magnets, they are weak.

Temporary magnets, can be turned on and off.

Why are electromagnets used in metal scrap yards?

Lines loop around starting at the south pole and end at the north pole.

Lines loop around starting at the north pole and end at the south pole.

If magnetic field lines are drawn for this magnet, which statement would be true?

Yes, because the wire creates a magnetic field. The nail becomes a magnet.

No, because the battery is present so the nail will become a magnet.

Is this item necessary to create an electromagnet?

Magnets

Poles

Electrical Current

Repel

Recipe

You're ready to complete your Science 7A Unit 4 Test!

Congrats!

starT over?

Try again.

Wrong!

4 - C

3 - D

2 - A

1 - B