มอเตอร์ เครื่องกำเนิดไฟฟ้า แม่เหล็กไฟฟ้า
Authored by Stephanie Martin
Science
8th Grade
NGSS covered
Used 26+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the device seen here?
Tags
NGSS.MS-PS2-3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What type of device is shown?
Electromagnet
Electric motor
Electric generator
Electromagnetic induction
Tags
NGSS.HS-PS2-5
NGSS.HS-PS3-5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which electromagnet would be stronger?
Left
Right
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the strength of an electromagnet as you add more coils around it?
The strength of the electromagnet decreases.
The strength of the electromagnet increases.
The strength of the electromagnet does not change.
The strength of the electromagnet stops completely.
Tags
NGSS.MS-PS2-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true about electricity?
Electricity is the flow of negatively charged particles called electrons.
Electricity is the flow of negatively charged particles called protons.
Electricity is the flow of negatively charged particles called neutrons.
Electricity is the flow of neutrally charged particles called neutrons.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
While electric current is flowing through a wire, what surrounds the wire?
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A compass needle responds to a magnetic field, because the compass needle is a
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
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