Quiz about Science Form 2_Chap 7.1 Electricity

Question 1

Identify the type of energy

Accepted Answer

Sound energy

Answer

Electrical Energy

Answer

Mechanical energy

Answer

Thermal energy

Question 2

Identify the type of energy

Accepted Answer

Electrical energy

Answer

Thermal energy

Answer

Mechanical energy

Answer

Sound energy

Question 3

Choose the source of energy

Accepted Answer

Nuclear

Answer

Petrol

Answer

Coal

Answer

Sun

Question 4

Choose the source of energy

Accepted Answer

Wind

Answer

Water

Answer

Sun

Answer

Biomass

Question 5

Energy of motion is which type of energy?

Accepted Answer

Kinetic

Answer

Potential

Answer

Sound

Answer

Gravitational

Question 6

According to which law of energy, energy can't be created or destroyed?

Accepted Answer

law of conservation of energy

Answer

First law of motion

Answer

The law of tacos

Answer

Laws of Energy

Question 7

The ability to do work is

Accepted Answer

energy

Answer

power

Answer

thermal

Answer

kinetic

Question 8

Heat energy is also called

Accepted Answer

thermal energy

Answer

electrical energy

Answer

chemical energy

Answer

light energy

Question 9

Stored energy is called ______ energy.

Accepted Answer

Potential

Answer

Kinetic

Answer

Pacific

Answer

Safe

Question 10

S.I. unit for energy is

Accepted Answer

joule

Answer

newton

Answer

meter

Answer

second

Question 11

Two like charges

Accepted Answer

repel each other.

Answer

neutralize each other.

Answer

must be neutrons.

Answer

attract each other.

Question 12

The charge of an electron is

Accepted Answer

negative.

Answer

positive.

Answer

Electrons have no charge

Question 13

An atom loses an electron.  What type of charge does it have now?

Accepted Answer

positive

Answer

negative

Question 14

An atom gains an electron.  What type of charge does it have now?

Accepted Answer

negative

Answer

positive

Answer

No charge

Question 15

Charged objects are not attracted to neutral objects

Accepted Answer

False

Answer

True

Question 16

When a balloon is rubbed on clothes it acquires a charge by ___________

Accepted Answer

friction

Answer

Induction

Answer

reduction

Answer

concuction

Question 17

When a glass rod is rubbed with silk and the glass rod becomes positively charged, what happens to the electrons?

Accepted Answer

they are removed from the rod

Answer

they are added to the rod

Question 18

What is the name of this device that is used to detect charges?

Accepted Answer

electroscope

Answer

beaker

Answer

van de graff generator

Answer

chargometer

Question 19

What types of charges attract?

Accepted Answer

Positive and Negative

Answer

Positive and Positive

Answer

Positive and Neutral

Answer

Negative and Neutral

Question 20

If two balloons have the same charge, what will happen if you place them close to each other?

Accepted Answer

They will push each other away.

Answer

Nothing

Answer

They will be attracted

Answer

They will pop

Question 21

Why does the child's hair stick up?

Accepted Answer

He gained a charge from the slide, and since he's not grounded, his hairs have the same charge so they repel one another

Answer

The boy is grounded since he's at the bottom of the slide

Answer

He gained a charge from the slide, and since he's not grounded, his hairs have opposite charges so they repel one another

Answer

When hair is neutral, some have a positive side and some have negative side, so they will attract to each other, making it stand up

Question 22

Current is...

Accepted Answer

moving electrons

Answer

moving protons

Answer

measured in volts

Answer

measured in ohms

Question 23

Flow of electric current can be measured by using an

Accepted Answer

ammeter

Answer

voltmeter

Answer

rheostat

Answer

thermometer

Question 24

Which word means how hard it is for electrons to flow?

Accepted Answer

Resistance

Answer

Current

Answer

Voltage

Answer

Power

Question 25

What is voltage?

Accepted Answer

The potential difference between two points

Answer

The flow of protons

Answer

The number of charged particles that pass each second

Answer

The rate at which energy is being transformed

Question 26

_________________ found that current, voltage, and resistance are always related.

Accepted Answer

Georg Ohm

Answer

Isaac Newton

Answer

Albert Einstein

Question 27

__________________ is the continuous flow of electric charges through a material.

Accepted Answer

Electric current

Answer

Resistance

Answer

Voltage

Answer

Static Discharge

Question 28

The movement of electrically charged _____ is called electric _____

Accepted Answer

particles, current

Answer

particles, transport

Answer

ions, current

Answer

ions, transport

Question 29

A form of energy caused by the movement of electrons

Accepted Answer

electricity

Answer

voltage

Answer

electric current

Answer

parallel circuit

Question 30

What is the correct unit for measuring electric current?

Accepted Answer

Amperes

Answer

Volts

Answer

Ohms

Answer

Coulombs

Question 31

Voltage is measured in __.

Accepted Answer

volts.

Answer

watts.

Answer

coulombs.

Question 32

Resistance is a measure of....

Accepted Answer

how hard it is for electrons to move through the circuit

Answer

the energy per unit charge in a circuit

Answer

how hard it is for electrons to move through the battery

Answer

the number of charge carriers in a circuit

Question 33

What is Resistance?

Accepted Answer

The ability to reduce the flow of electrons

Answer

The flow of electrons

Answer

Electric potential difference

Answer

A battery

Question 34

What is the formula for ohms law?

Accepted Answer

V = I x R

Answer

1+2=3

Answer

R X E = I

Answer

E = MC squared

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