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Cambridge Checkpoint Science 9: Electricity

Authored by Edgar Fong

Physics, Science

8th - 10th Grade

NGSS covered

Used 346+ times

Cambridge Checkpoint Science 9: Electricity
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46 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The student's hair is standing up when he is touching a "Van de Graaf" generator because

it makes it easier for his mother to give him a "coronavirus lockdown" haircut

positive charges have moved into his hair from the generator

positive charges have move into the generator away from his hair

negative charges have moved into his hair from the generator

negative charges have moved into both his hair and the generator

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

What type of charged objects REPEL each other when brought close together?

(Choose all that apply)

north and south

positive and positive

negative and positive

negative and negative

north and north

Tags

NGSS.HS-PS2-4

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What force causes an object to become charged when it is rubbed?

Electrostatic Force

Coulomb's Force

May the Force

Friction Force

Magnetic Force

Tags

NGSS.HS-PS2-4

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

When a balloon is rubbed on your hair, both become charged because

positive charges are transferred from one object to another

electrons are transferred from one object to another

both objects gain positive charges

both objects gain electrons

Tags

NGSS.MS-PS2-3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The unit of electrical charge is the

Volt

Ampere

Coulomb

Ohm

Joule

Tags

NGSS.HS-PS2-5

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

If you are caught in the open outside during a thunderstorm, the safest measure to take is to:

use an umbrella

stand under the nearest tree

make yourself as low as possible

take a selfie of yourself with lightning in the background

Tags

NGSS.HS-ESS3-1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

How is a conductor different from an insulator?

A conductor works with an orchestra, whereas an insulator works on a building site

Electric charges move freely on insulators but not with conductors

Conductors have electrons; insulators do not

Conductors do not have free electrons, but insulators do, so the electrons can move easily in insulators

In a conductor, electric current can flow freely; in an insulator, it cannot flow freely

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