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Energy PT U3

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

An inclined plane can decrease the force needed to move an object by ____.

a)

decreasing load

b)

increasing load

c)

increasing distance

d)

decreasing distance

2.

When a person is skiing down a mountain, what kind of energy is demonstrated?

a)

motion

b)

potential energy

c)

kinetic energy

d)

dynamic energy

3.

____ is the correct formula for finding an object's speed.

a)

S=D/T

b)

S=T/D

c)

S=M/D

d)

S=A/T

4.

Most energy transforms into this type of energy.

a)

light energy

b)

nuclear energy

c)

chemical energy

d)

heat energy

5.

What type of change occurs when a pile of wood is lit on fire?

a)

Heat energy to chemical energy.

b)

Chemical energy to light & heat energy

c)

Electromagnetic energy to geothermal energy.

6.

A push or pull on an object is called ____.

a)

motion

b)

force

c)

velocity

d)

momentum

7.

_____: Force = mass times acceleration, F=ma

a)

3rd Law of Motion

b)

1st Law of Motion

c)

2nd Law of Motion

8.

Potential energy is ___.

a)

chemical energy to geothermal energy

b)

active energy

c)

stored energy

9.

___ is the force that slows down or stops motion.

a)

Friction

b)

Acceleration

c)

Mass

d)

Gravity

10.

Heat transferred by the unequal heating in liquis or gases is called ____.

a)

conduction

b)

convection

c)

radiation

11.

A wheel and axle work by increasing force in the ___.

a)

pulley

b)

rod

c)

wedge

d)

fulcrum

12.

The more ___ an energy source, the more work can be done.

a)

efficient

b)

dense

c)

adequate

d)

powerful

13.

A change in velocity is called ___.

a)

speed

b)

acceleration

c)

motion

d)

energy

14.

___ is the average kinetic energy of an object.

a)

Chemistry

b)

Temperature

c)

Thermometer

15.

___: An object in motion, and an object at rest stay at rest until a force acts upon it.

a)

1st Law of Motion

b)

2nd Law of Motion

c)

3rd Law of Motion

16.

___is heat transfer by particles or waves and can happen in empty space.

a)

Radiation

b)

Convection

c)

Conduction

17.

Scientists measure power in ___.

a)

watts

b)

joules

c)

horsepower

d)

meters

18.

The Law of Conservation of Energy states ____.

a)

energy can change form and be destroyed, but cannot be created

b)

energy cannot be created or destroyed, but simply changes form

c)

energy can be created and destroyed, but cannot change form

19.

Which pulley system would require more force to move an object?

a)

one pulley

b)

2 pulleys

c)

3 pulleys

20.

___ is the measurement of speed in a certain direction.

a)

Velocity

b)

Force

c)

Motion

d)

Momentum

21.

The total potential and kinetic energy of an object is called ___.

a)

mechanical energy

b)

chemical energy

c)

sound energy

d)

total energy

22.

___ energy is the energy we use to digest ouor good and make it useful.

a)

Light

b)

Electrical

c)

Chemical

d)

Heat

23.

___ is heat transferred by direct contact of particles of matter.

a)

Conduction

b)

Radiation

c)

Convection

24.

___ defined the various laws of motion.

a)

Archimedes

b)

Isaac Newton

c)

James Joule

25.

Total kinetic energy of the vibrating molecules in a substance.

a)

Thermal energy

b)

Mechanical energy

c)

Chemical energy

d)

Sound energy

26.

Energy that moves from hotter areas to cooler areas.

a)

Chemical energy

b)

Nuclear Energy

c)

Electrical energy

d)

Heat energy

27.

Energy is motion.

a)

Potential energy

b)

Heat energy

c)

Light energy

d)

Kinetic energy

28.

Responsible for measuring the speed of light.

a)

Fizeau

b)

James Joule

c)

Isaac Newton

d)

Archimedes

29.

Responsible for the Law of Conservation of Energy.

a)

Archimedes

b)

James Joule

c)

Isaac Newton

d)

James Watt

30.

Another word to describe the 1st Law of Motion.

a)

Thermal

b)

Heat

c)

Inertia

d)

Acceleration