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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
ChaoticKitchen
Escape room
start
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
Recipe
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!
Repel
Electrical Current
Poles
Magnets
If two electrically charge objects repel one another, which statement must be true?
The object do not have strong electrical fields.
The 2 objects have the same electric charge.
Electrons flow from one object to the other when they touch.
One object has more electrons.
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?
They will attract one another.
They will transfer their electrons from 1 to the other.
They will repel one another.
They will not affect one another.
Can two negatively charged balloons move apart without ever touching? Why or why not?
Yes due to the electric fields surrounding the balloon
No, objects have to touch
Yes due to the electrons jumping to the other balloon
No, the space between is filled with charged particles
Recipe
Repel
Electical Current
Poles
Magnets
Put in order the steps to light up a lightbulb.
A. a push to move the charge thorugh
B. a supply of electric harges flow
C. the light will turn on
D. pathway to carry the path
Continue
solution
Recipe
Repel
Electrical Current
Poles
Magnets
Which diagram represents a motor?
Which diagram represents a generator?
Which battery will increase the magnetic field strength?
Recipe
Repel
Electrical Current
Poles
Magnets
Why are electromagnets used in metal scrap yards?
Temporary magnets, can be turned on and off.
Permanent magnets, they are weak.
If magnetic field lines are drawn for this magnet, which statement would be true?
Lines loop around starting at the north pole and end at the south pole.
Lines loop around starting at the south pole and end at the north pole.
Is this item necessary to create an electromagnet?
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.
Recipe
Repel
Electrical Current
Poles
Magnets
Congrats!
You're ready to complete your Science 7A Unit 4 Test!
starT over?
Wrong!
Try again.
1 - B
2 - A
3 - D
4 - C