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S8P5 - Static Electricity and Electromagnetism Concepts REVIEW
Authored by Sherndon Elom
Science
8th Grade
NGSS covered
Used 11+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
1. Conductors are materials that allow heat to travel easily through it. Insulators are materials that do not allow heat to travel easily through it. For example, a metal slide on the playground would be a good conductor. Sometimes the metal slide gets so hot in the summer that you can not sit on it. However, a plastic slide on the playground would be a good insulator. The plastic slide does not get hot even on the hottest of summer days. (CHOOSE the CORRECT ANSWER)
1. Conductors are materials that allow heat to travel easily through it. Insulators are materials that do not allow heat to travel easily through it. For example, a metal slide on the playground would be a good conductor. Sometimes the metal slide gets so hot in the summer that you can not sit on it. However, a plastic slide on the playground would be a good insulator. The plastic slide does not get hot even on the hottest of summer days. (CHOOSE the CORRECT ANSWER)
CONDUCTOR: metal paper clip, soda can
INSULATOR: wood swing, glass, plastic cup, notebook paper
CONDUCTOR: glass, soda can, wood swing, Stanley cup
INSULATOR: notebook paper, styrofoam cup, paper clip
Tags
NGSS.MS-PS3-3
NGSS.MS-PS1-4
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
2. Static electricity happens when electrons pass from one object to another, such as from your hair to a comb as you comb your hair. If you then hold the comb near your hair, strands of hair appear to move forward and ”stick to the comb.” This is because the hair and the comb –
2. Static electricity happens when electrons pass from one object to another, such as from your hair to a comb as you comb your hair. If you then hold the comb near your hair, strands of hair appear to move forward and ”stick to the comb.” This is because the hair and the comb –
attract each other because they have opposite charges
repel each other because they have opposite charges
attract each other because they have the same charges
repel each other because they have opposite charges
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
3. A student is investigating the properties of Block A. The student writes down the following notes as they investigate:
3. A student is investigating the properties of Block A. The student writes down the following notes as they investigate:
1. Placed Block A on top of a hot metal block and then touched Block A with finger.
2. Held finger on Block A for five minutes, but Block A is still only room temperature.
What can the student conclude about Block A?
It is a poor conductor of heat.
It is a good conductor of electricity.
It is a good conductor of heat.
It is made of ferrous material and is magnetic.
Tags
NGSS.MS-PS3-3
NGSS.MS-PS3-4
NGSS.MS-PS3-5
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
4. The drawstring shows two uncharged lightweight plastic balls suspended by thin, insulating threads. Ball 1 is given a positive charge. Ball 2 is given an equivalent negative charge.
4. The drawstring shows two uncharged lightweight plastic balls suspended by thin, insulating threads. Ball 1 is given a positive charge. Ball 2 is given an equivalent negative charge.
Which diagram best shows how the balls will react after becoming charged?
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
NGSS.MS-PS2-2
NGSS.MS-PS2-1
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
5. When clothing comes out of a dryer. They usually attract or stick to each other. Why does this happen?
5. When clothing comes out of a dryer. They usually attract or stick to each other. Why does this happen?
The heat from the dryer gives them a charge through convection.
The heat from the dryer gives them a charge through conduction.
They rub together and become charged through friction.
They rub together and become charged through induction.
Tags
NGSS.MS-PS2-5
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
6. Susan is making an electromagnet in her science class today. First, she takes a nail and winds coils of copper wire around it. Then, she connects the ends of the wire to a battery. She uses the electromagnet to pick up paper clips, but the paper clips drop when she disconnects the wires from the battery. Which kind of energy does Susan change into magnetic energy in this project?
6. Susan is making an electromagnet in her science class today. First, she takes a nail and winds coils of copper wire around it. Then, she connects the ends of the wire to a battery. She uses the electromagnet to pick up paper clips, but the paper clips drop when she disconnects the wires from the battery. Which kind of energy does Susan change into magnetic energy in this project?
light
heat
chemical
electrical
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
7. Here is a picture showing how two magnets will stick to one another when opposite poles align.
7. Here is a picture showing how two magnets will stick to one another when opposite poles align.
When these magnets are pulled slightly apart, does the attractive force between them still exist?
Yes, but the new attractive force is due to gravity.
Yes, even though they are not touching, they are pulling on one another.
No, since they are not touching, no force is at work.
No, when the magnets are apart, they exert a repulsive force on one anothe
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
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