Chapter 5ENERGY

What is the ability to do work?

Kinetic energ

y

Potential energy

Mech

anical e

nergy

Energy

0%

100%

0%0%

1. Kinetic energy2. Potential energy3. Mechanical energy4. Energy

What is the total energy of motion and position of an object?

Grav

itational P

otential ...

Mech

anical E

nergy

Kinetic Energy

Electr

ical E

nergy

37%

5%5%

53%1. Gravitational Potential Energy

2. Mechanical Energy3. Kinetic Energy4. Electrical Energy

What is the energy of an object has because of its position called?

Kinetic Energy

Potential Energ

y

Grav

itational P

otential ...

Mech

anical E

nergy

0%6%

29%

65%1. Kinetic Energy2. Potential Energy3. Gravitational

Potential Energy4. Mechanical Energy

What is the energy of motion called?

Grav

itational P

otential ...

Potential Energ

y

Kinetic Energy

Mech

anical E

nergy

0%13%

88%

0%

1. Gravitational Potential Energy

2. Potential Energy3. Kinetic Energy4. Mechanical Energy

What is the energy you give to an object when you use a force that goes against the force of gravity called?

Mech

anical E

nergy

Kinetic Energy

Potential Energ

y

Grav

itational P

otential ...

29%

53%

18%

0%

1. Mechanical Energy2. Kinetic Energy3. Potential Energy4. Gravitational

Potential Energy

Which of the following types of energy comes from a compound that changes as its atoms are rearranged?

Electr

ical e

nergy

Chemical e

nergy

Thermal e

nergy

Light e

nergy

6% 6%11%

78%

1. Electrical energy2. Chemical energy3. Thermal energy4. Light energy

Which of the following is due to the random motion of particles?

Light e

nergy

Nucle

ar energ

y

Thermal e

nergy

Sound energy

17%11%

50%

22%

1. Light energy2. Nuclear energy3. Thermal energy4. Sound energy

Which energy is caused by an object’s vibrations?

Thermal e

nergy

Electr

ical e

nergy

Chemical e

nergy

Sound energy

17%

83%

0%0%

1. Thermal energy2. Electrical energy3. Chemical energy4. Sound energy

Which of the following is the energy that comes from changes

in an atom’s nucleus?

Thermal e

nergy

Light e

nergy

Nucle

ar energ

y

Chemical e

nergy

0% 0%

94%

6%

1. Thermal energy2. Light energy3. Nuclear energy4. Chemical energy

What is a change from one form of energy to another called?

Energy

change

Conversion of p

ower

Energy

conversi

on

Energy

switc

h

6% 6%

88%

0%

1. Energy change2. Conversion of power3. Energy conversion4. Energy switch

When you wind a rubber band on a toy airplane, which of the following types of energy

does the rubber band have?

Kinetic energ

y

Elasti

c potential e

nergy

Thermal e

nergy

Mech

anical e

nergy

0% 5%5%

90%

1. Kinetic energy2. Elastic potential

energy3. Thermal energy4. Mechanical energy

In photosynthesis, which of the following types of energy is used to make new substances?

Sound energy

Light e

nergy

Thermal e

nergy

Nucle

ar energ

y

5% 5%5%

84%

1. Sound energy2. Light energy3. Thermal energy4. Nuclear energy

A hair dryer changes electrical energy into which of the following types of energy?

Light e

nergy

Nucle

ar energ

y

Thermal e

nergy

Chemical e

nergy

6% 0%

94%

0%

1. Light energy2. Nuclear energy3. Thermal energy4. Chemical energy

Which of the following is used to measure energy from the sun?

Thermometer

Energy

meter

Energy

calcu

lator

Radiometer

15%

75%

0%10%

1. Thermometer2. Energy meter3. Energy calculator4. Radiometer

As a skateboarder speed down through the bottom of a half-pipe, which energy is at its maximum?

Mech

anical e

nergy

Kinetic energ

y

Potential energy

Elasti

c potential e

nergy

5%11%11%

74%1. Mechanical energy2. Kinetic energy3. Potential energy4. Elastic potential

energy

What type of energy comes from the food you eat?

Chemical e

nergy

Thermal e

nergy

Light e

nergy

Nucle

ar energ

y

94%

0%6%

0%

1. Chemical energy2. Thermal energy3. Light energy4. Nuclear energy

What type of energy from food is used to maintain body temperature?

Chemical e

nergy

Thermal e

nergy

Light e

nergy

Nucle

ar energ

y

50%

0%0%

50%

1. Chemical energy2. Thermal energy3. Light energy4. Nuclear energy

When you eat food, you are taking in energy from the

Earth Su

n

Moon

Air

7%0%

7%

87%1. Earth2. Sun3. Moon4. Air

Work is made easier when a(n) ______ changes the direction or size of the force needed to do work.

Mach

ine

Aerodynamic

shape

Fricti

on

Energy

Conversion

25% 25%25%25%

1. Machine2. Aerodynamic shape3. Friction4. Energy Conversion

What is a force that opposes motion between 2 surfaces that are touching called?

Energy

efficie

ncy

A close

d syste

m

Fricti

on

The law of c

onserva

tion ..

0% 0%

79%

21%

1. Energy efficiency2. A closed system3. Friction4. The law of

conservation of energy

What is the rule that states that energy cannot be created or destroyed?

Energy effi

ciency

A close

d syste

m

Fricti

on

The law of c

onserva

tion ..

25% 25%25%25%1. Energy efficiency

2. A closed system3. Friction 4. The law of

conservation of energy

What is a group of objects that transfer energy only

to each other called?

Energy

efficie

ncy

A close

d syste

m

Fricti

on

Aerodynamic

shape

25% 25%25%25%

1. Energy efficiency

2. A closed system3. Friction4. Aerodynamic shape

What is a feature of a car that helps it be more energy efficient?

Closed sy

stem

Fricti

on

Aerodynamic

shape

Law of c

onserv

ation of ...

6% 0%

89%

6%

1. Closed system2. Friction3. Aerodynamic shape4. Law of conservation

of energy

What is a comparison of the amount of energy before and after conversion?

Law of C

onserva

tion of ...

A Closed Sy

stem

Energy

Efficie

ncy

Fricti

on

17%11%

67%

6%

1. Law of Conservation of Energy

2. A Closed System3. Energy Efficiency4. Friction

When there is friction on a roller coaster, some of the potential energy is NOT converted into kinetic energy. It is also converted

into

therm

al energy.

nuclear e

nergy.

light e

nergy.

chemica

l energy.

79%

16%

0%5%

1. thermal energy.2. nuclear energy.3. light energy.4. chemical energy.

Which of the following types of energy makes a light bulb feel warm?

Light e

nergy

Electr

ical e

nergy

Thermal e

nergy

Nucle

ar energ

y

0% 0%

75%

25%

1. Light energy2. Electrical energy3. Thermal energy4. Nuclear energy

Whenever one form of energy is converted into another form of energy, some of the original energy is always converted into

which of the following?

Light e

nergy

Thermal e

nergy

Kinetic energ

y

Sound energy

6% 6%12%

76%1. Light energy2. Thermal energy3. Kinetic energy4. Sound energy

What is the unit of measurement to express energy transfer?

• What is the formula that is used to determine kinetic energy?

• Know how to solve for KE: What is the kinetic energy of a truck that has a

mass of 4,000 kg and is moving at 2 m/s?

• What is the formula that is used to determine gravitational potential energy?

• Know how to solve for GPE: What is the gravitational potential energy of a

book with a weight of 8 N at a height of 2 m off the ground?

• Know where PE and KE are at their maximum in when a pendulum is in motion.

• Where the kinetic energy is increasing/potential decreasing.

• Where the kinetic energy is decreasing/potential is increasing.