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Worksheets

Changes in Energy

Total questions: 22

Worksheet time: 16mins

Name
Class
Date
1.

____________ is the total kinetic (motion) energy of the tiny particles that make up matter. The faster the particles move,

the warmer the matter becomes.

a)

Heat energy

b)

Conduction

c)

Thermal energy

d)

Radiation

2.

The average kinetic energy of all the particles in a material, measured by a thermometer in degrees is called

a)

radiation

b)

currrent

c)

thermal energy

d)

temperature

3.

Temperature is measured by a thermometer in degrees

a)

Celsius

b)

Current

c)

Farenheit

d)

Freezing

4.

Transfer of thermal energy that occurs in solids, liquids, and gases when two substances of different temperatures touch

is known as

a)

convection

b)

conservation

c)

conduction

d)

radiation

5.

The transfer of thermal energy from one place to another by the movement of fluids; occurs on a large scale in atmospheric gases, oceans, and Earth’s mantle

a)

conduction

b)

heat transfer

c)

communication

d)

convection

6.

The energy transferred between two objects of different temperatures; energy will continue to move in a predictable pattern from warmer site to cooler site until all sites have reached the same temperature. This is called simply

a)

convection

b)

temperature

c)

heat

d)

energy transfer

7.

A cyclical motion occurs because the density of a fluid is related to its temperature. Heated lower regions of the fluid are less dense than their cooler counterparts. The less dense fluid rises and the denser fluid sinks due to gravity. The combined motions form a circular pattern.

a)

Law of Conservation Energy

b)

climate

c)

atmospheric pressure

d)

convection current

8.

The transfer of energy by electromagnetic rays; may occur in empty space; matter need not be in direct contact or be present for the transfer of energy to occur.

a)

conduction

b)

convection

c)

radiation

d)

conversion

9.

The Law of Conservation of Energy states:

a)

A form of energy can be transferred between systems by virtue of a difference in temperature.

b)

The strength or rate of movement of electricity is measured in amperes.

c)

Energy can neither be created nor destroyed; energy just changes form.

d)

Energy and zombies can never die.

10.

A cyclical motion occurs because the density of a fluid is related to its temperature. Heated lower regions of the fluid are less dense than their cooler counterparts. The less dense fluid rises and the denser fluid sinks due to gravity. The combined motions form a circular pattern. This is called

a)

convection current

b)

convection

c)

conduction

d)

condensation

11.

The change of energy from one form to another is called

a)

insulation

b)

energy transformation

c)

conduction

d)

kinetic energy

12.

A substance that allows the flow of electric charge or transfers thermal energy through matter is known as a

a)

transducer

b)

insulator

c)

flux capacitor

d)

conductor

13.

A substance that resists electric current or a material that resists the flow of heat is called a(n)

a)

conductor

b)

transducer

c)

insulator

d)

convection

14.

The energy of motion is known as

a)

raw energy

b)

perpetual energy

c)

excess energy

d)

kinetic energy

15.

A form of energy produced through reactions that occur in chemical compounds as they react to each other or to some action is called

a)

chain reaction

b)

chemical engergy

c)

electrical energy

d)

mechanical engergy

16.

A form of energy made available by the flow of electric charge through a conductor is called

a)

light energy

b)

mechanical energy

c)

chemical energy

d)

electrical energy

17.

A form of energy that exhibits wave-like behavior as it travels through space; part of the electromagnetic spectrum is called

a)

light energy

b)

mechanical energy

c)

infusion energy

d)

chemical energy

18.

The sum of the motion (kinetic) energy and position (potential) energy of an object or the parts of a mechanical system is known as

a)

force

b)

E=mc

c)

mechanical energy

d)

totality

19.

Thermal energy is the total kinetic (motion) energy of the tiny particles that make up matter. The faster the particles move, the warmer the matter becomes. This is known as

a)

heat energy

b)

electrical energy

c)

thermal energy

d)

chemical energy

20.

_____________ is a form of energy that is made by vibrations and requires a medium (such as air, water, or solids) in order to travel. Sound waves travel slower than light waves

a)

Wave energy

b)

Heat energy

c)

Light energy

d)

Sound energy

21.

A ______________ is a group of interacting or interdependent elements forming a complex whole; for example, all the factors or variables in an environment or all the variables that might affect a science experiment

a)

blend

b)

system

c)

law

d)

ratio

22.

Energy can neither be created nor destroyed; energy just changes form. This is the Law of

a)

Good and Evil

b)

The Jungle

c)

Thermodynamics

d)

Conservation of Energy