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UNIT 8 QUIZiZZ

Total questions: 26

Worksheet time: 33mins

Name
Class
Date
1.

What is kinetic energy.

a)

something that stays in place

b)

something that moves

c)

something that disappears

d)

something that is out of sight

2.

A 5 kg rock is lifted to a height of 10 meters. Calculate the gravitational potential energy of the rock. Use the formula:( PE = mgh )

a)

A) 0 J

b)

B) 49 J

c)

C) 50 J

d)

D) 490 J

3.

A car with a mass of 1200 kg is traveling at a speed of 25 m/s. Calculate its kinetic energy.

a)

A) 375 J

b)

B) 15,000 J

c)

C) 750,000 J

d)

D) 300,000 J

4.

A worker exerts a force of 100 N to move an object 5 meters across the floor. How much work is done by the worker?

a)

A) 500

b)

B) 1000 J

c)

C) 150 J

d)

D) 250 J

5.

Define energy

a)

ability to do work

b)

Nature

c)

the ability to exert a force causing displacement of an object

d)

the ability to not do work

6.

Define Chemical energy

a)

energy that has to do with heat

b)

energy stored in the nucleus

c)

energy that is in motion

d)

energy stored in the bonds of chemical compounds

7.

Define Nuclear energy

a)

a form of energy released from the nucleus

b)

a form of energy that has to do with chemicals

c)

energy that combines

d)

Nucleic acid

8.

Define Mechanical energy

a)

energy that is possessed by an object due to its motion or due to its position.

b)

energy that stays in one place of motion

c)

energy of motion, or the energy of an object that moves.

d)

energy that does not require work

9.

Define Sound energy

a)

Forces of energy that causes you to hear them

b)

the movement of energy through a substance in a form of waves

c)

energy that has no kinetic energy

d)

a form of energy that has something to do with heat

10.

Define Thermal energy

a)

energy from the sun

b)

energy that is electrical causing it to form into a system of waves

c)

energy that is radiating through heat

d)

energy that is contained within a system that is responsible for its temperature

11.

Define Electrical energy

a)

Energy that comes from the sun

b)

A type of kinetic energy caused by moving electrical charges

c)

Light energy

d)

A type of potential energy caused by moving electrical charges

12.

Define Radiant energy

a)

energy that is transferred by electromagnetic radiation

b)

energy that doesn't use joule

c)

energy that uses infrared waves

d)

energy that doesn't use microwaves

13.

Define Potential energy

a)

energy that is in motion

b)

energy that stays in motion

c)

energy that stays in a crib

d)

energy that is not in motion

14.

Define Kinetic energy

a)

energy that is not in motion

b)

energy that has to with friction

c)

energy that is in motion

d)

energy that stays in the crib

15.

Define Law of conservation of energy

a)

energy that is stored

b)

energy that can be destroyed

c)

energy that can neither be created nor destroyed

d)

The total amount of energy within the system can only be changed through energy entering or leaving the system.

16.

Define Work

a)

energy that doesn't use pushing or pulling

b)

energy that doesn't use anything with objects

c)

energy transferred to or from an object

d)

energy that doesn't apply force

17.

Define Power

a)

amount of energy transferred or converted per unit time

b)

type of energy that uses force

c)

type of energy that uses motion

d)

amount of energy converted per unit day

18.

Define Temperature

a)

a measure of how hot or cold something is

b)

measure of the kinetic energy of the particles in a object

c)

energy that has heat waves

d)

energy that is kinetic

19.

Define Heat

a)

a form of energy that has something to do with thermal energy

b)

a form of energy that exists as kinetic energy or motion in particles of matter

c)

type of energy that uses gamma rays

d)

type of energy that uses x-rays

20.

What is Conduction?

a)

Conduction is the way that it does not transfer heat through direct contact

b)

Conduction is the process of heat transfer through fluids, liquids, or gases

c)

Conduction is when you heat a pot of water on the stove

d)

Conduction is the transfer of energy, such as heat or an electric charge, through a substance

21.

What is Convection?

a)

Convection is the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise

b)

Convection is when you have hot air circulating through a fan

c)

Convection is a solid form and tightly packed together

d)

Convection is when molecules are combined together and not moving around freely

22.

What is Radiation

a)

Radiation is a isotope and can be used as a glass full of heavy water at room temperature

b)

Radiation is when heat transfers over and creates a wave

c)

Radiation is the emission or transmission of energy in the form of waves or particles through space or a material medium

d)

Radiation is when EM waves take over and creates a chemical form

23.

What is the formula for Potential energy?

a)

K.E. = 1/2 m v2

b)

GPE=mgh

c)

U=mgh

d)

Qt=σeAT4

24.

What is the formula for Work?

a)

W=Fs

b)

P=W/triangle t

c)

q = mctriangleT

d)

E = mc2

25.

what is the formula for Power

a)

F = mxa

b)

W=Fs

c)

P=W/trianglet

d)

kg⋅m/s

26.

What is the formula for heat

a)

p=mu

b)

q = mcΔT

c)

kg/m3

d)

W=Fs