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Electrical and Magnetic Forces

Authored by Charles Martinez

Physics

8th Grade

NGSS covered

Used 1+ times

Electrical and Magnetic Forces
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of positive and negative charges in an atom is USUALLY...

equal.
unequal.
empty.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lightning is caused by...

a build up of positive and negative charges in the clouds. 
clouds bumping into each other.
too much energy from the sun.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A device that uses a free-moving magnetic needle to show direction is a:

lodestone
magnet
compass
magnetic field

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A compass _______ is the part of a compass that is magnetic.

bar
dial
needle
rose

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are magnetic poles called north and south?

because the needle points up and down
because it lines up with Earth's axis
because magnets help with direrctions
because it sounds cool

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes electricity?

moving neutrons
moving protons
moving atoms
moving electrons

Tags

NGSS.MS-PS2-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of electricity occurs when you rub a balloon on your sweater?

thermal electricity
current electricity
static electricity
work electricity

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

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