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Grade 8 - Science LONG QUIZ

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

It is defined as the flow or movement of electrons through the conductor.

a)

electric current

b)

direct current

c)

alternate current

d)

current

2.

What is the unit of Electric current?

a)

ampere

b)

joule

c)

watts

d)

ohm

3.

Who French physicist founded and named the science of electrodynamics or also known as electromagnetism.

a)

Albert Einstein

b)

Anton Van Leeuwenhoek

c)

Andre Marie Ampere

d)

Marie Curie

4.

This type of electric current when the electron always flows one direction.

a)

direct current

b)

alternate current

c)

electric current

d)

current

5.

This type of electric current when the electrons reverse their direction regularly.

a)

direct current

b)

electric current

c)

alternate current

d)

currrent

6.

It is defined to exert energy in order for you to move a change against an electric field.

a)

electric kinetic energy

b)

electric potential energy

c)

electric energy

d)

power energy

7.

What is the unit of electric potential energy?

a)

ohm

b)

ampere

c)

joules

d)

watts

8.

It measures the amount of electric potential energy transfer from one point to another point.

a)

power

b)

voltage

c)

current

d)

electric

9.

Italian scientist who invented batteries.

a)

Marie Currie

b)

Benjamin Franklin

c)

Albert Einstein

d)

Count Alessandro Volta

10.

What are the elements found in the voltaic pile?

a)

copper and aluminum

b)

gold and silver

c)

zinc and copper

d)

silver and titanium

11.

It is a solution that conducts electricity.

a)

batteries

b)

dry cell

c)

wet cell

d)

electrolyte

12.

It is the opposition to the flow of electricity.

a)

electric current

b)

electrical resistance

c)

electrical power

d)

electric bell

13.

The unit of the resistance.

a)

watts

b)

joules

c)

ohms

d)

ampere

14.

Who is this scientist describes the measurement of applied voltage and current?

a)

Anton Van Leeuwenhoek

b)

Count Alessandro Volta

c)

Andre Marie Ampere

d)

Georg Simon

15.

This type of expansion where the solids expand linearly.

a)

thermal expansion

b)

linear expansion

c)

volume expansion

d)

heat

16.

This type of expansion where they expand uniformly in all directions.

a)

thermal expansion

b)

heat

c)

linear expansion

d)

volume expansion

17.

Type of latent heat describes the amount of heat used by temperature reaches 100 degrees celcius.

a)

latent of condensation

b)

latent of fusion

c)

latent of vaporization

d)

latent of solidification

18.

A type of latent heat describes the amount of heat requires to change a unit of mass substance from gas to solid.

a)

latent of solidification

b)

latent of fusion

c)

latent of condensation

d)

latent of vaporization

19.

A type of latent heat in the process which occurs when the solid turns liquid.

a)

latent of solidification

b)

latent of fusion

c)

latent of condesation

d)

latent of vaporization

20.

A type of latent heat reverse change state of where you remove heat from the liquid.

a)

latent of fusion

b)

latent of condesation

c)

latent of solidification

d)

latent of vaporization