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Worksheets

Energy, Work, and Power

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

_______ Is defined as the ability to do work or make things happen.

a)

Work

b)

Energy

c)

Power

d)

Forces

2.

______ Is done when a force (N) causes an object to move a certain distance (m).

a)

Energy

b)

Work

c)

Power

d)

Force

3.

Energy is measured in Newton- meters or _________.

a)

Kelvin

b)

Joules

c)

Newtons

d)

Watts

4.

________ is energy that is stored in an object as a result of its position, shape, or chemical composition.

a)

Chemical

b)

Kinetic

c)

Mechanical

d)

Potential

5.

_________ is Active energy; the energy associated with the movement of objects. Anything that is moving has _________.

a)

Kinetic Energy

b)

Potential Energy

c)

Gravitational Energy

d)

Mechanical

6.

The formula for Kinetic Energy is:

a)

KE = ½ mv2

b)

KE = FD

c)

KE = 1/2 FD2

d)

KE = M x A

7.

_________ is the energy due to an object’s position above


the earth’s surface.

a)

Mechanical

b)

Gravitational

c)

Kinetic

d)

Chemical

8.

________ Is energy stored in elastic materials such as a spring (when it’s compressed) or elastic object (when it’s stretched).

a)

Gravitational Potential Energy

b)

Mechanical

c)

Elastic Potential Energy

d)

Chemical

9.

The amount of elastic potential energy stored is related to the amount of stretch of the object; the more stretch the more energy.

a)

True

b)

False

10.

"For some springs, the amount of force is directly proportional to the amount of stretch or compression, the constant of proportionality is known as the spring constant (k)" Describes which law?

a)

Planks

b)

Hooke's

c)

C

d)

E=MC2

11.

A type of potential energy stored in the bonds between elements of a substance (remember studying bonds in chemistry).

a)

Mechanical

b)

Gravitational

c)

Kinetic

d)

Chemical

12.

_______ is stored in the nucleus of an atom.

a)

Nuclear Energy

b)

Potential Energy

c)

Chemical Energy

d)

Magnetic Energy

13.

Nuclear fission produces energy through the splitting of atoms, which releases heat that can then generate steam and be used to turn a turbine to produce electricity.

a)

True

b)

False

14.

Nuclear fusion is a nuclear reaction in which two or more atomic nuclei collide at a very high speed and joining to form a new type of atomic nucleus.

a)

True

b)

False

15.

A type of kinetic energy contained within a substance due to the movement of molecules.

a)

Mechanical

b)

Chemical

c)

Thermal

d)

Gravitational

16.

What is the formula for work?

a)

F = M(A)

b)

KE = 1/2M (V)2

c)

W = F(D)

d)

Power = W/T

17.

States that energy cannot be created or destroyed,


only transformed/transferred.

a)

Newtons 2nd Law

b)

Gravity

c)

Law of Conservation of Energy

d)

Law of Thermodymics

18.

For a force to qualify as having done work, there must be a

displacement and the force must have caused the displacement.

a)

True

b)

False