These pages are designed to help students prepare for the tests, quizzes, and other assignments throughout the duration of the course.

 

Parents


Parents, be sure to check PowerSchool on a regular basis so that you can keep up to date on your child's performance in the class. If you have any questions, feel free to email me.

 

 

Practice Problems

 

Find the type of practice problem that you need.
There are Concept Questions, as well as Math Practice Problems.
You can put in any value you want or have it put in a set of numbers for you.
Pop-up Blockers will need to be turned off for these to work!!

Energy

Multiple Choice

Answer all the Multiple Choice Questions then hit "Check" after the last multiple choice question

What is the unit for energy?
Watt
Newton
Joule
none of the above


What would cause the greatest increase in the amount of Kinetic energy a car has while driving down the road?
Doubling the velocity
Doubling the mass
Doubling the gravity
all of these would be the same


A boy slides down the super tall slide in the playground. What best explains what happens to the energy?
Potential energy at the top is converted into Kinetic energy at the bottom
The potential energy at the top is equal to the potential energy at the bottom
The kinetic energy at the top is equal to the kinetic energy at the bottom
the kinetic energy at the top is converted into chemical energy at the bottom


Which is true about the law of conservation of energy?
Energy can not be created
Energy can not be destroyed
Energy can change forms, such as from chemical energy to mechanical energy
all of the above


Food would be best described as what type of energy?
Thermal energy
Elastic energy
Chemical energy
Mechanical energy


A boy on a swing would be best described as what type of energy?
Thermal energy
Elastic energy
Chemical energy
Mechanical energy


A heat from an oven would be best described as what type of energy?
Thermal energy
Elastic energy
Chemical energy
Mechanical energy


Friction converts kinetic energy into what form of energy?
Thermal energy
Elastic energy
Chemical energy
Mechanical energy



If this graph represents a boy's energy on a swing, at which point is the boy at the highest point of the swing path?
0 second
1 second
2 second
3 second
4 second



What is the kinetic energy of the rock at time = 2 seconds?
0 Joules
200 Joules
400 Joules
600 Joules
800 Joules



What is the mechanical energy of the rock at time = 2 seconds?
0 Joules
200 Joules
400 Joules
600 Joules
800 Joules



If this graph represents a boy's energy on a swing, at which point is the boy at the highest point of the swing path?
0 seconds
1 seconds
2 seconds
3 seconds
4 seconds



Which would best describe the height of a 3 kg object at time = 3 seconds
400 meters
200 meters
14.5 meters
9 meters
not enough information


Which of the following best describe kinetic energy?
a ball rolling across the floor
a balloon floating up into the air
car parked at the top of a hill
Bread sitting on a plate
A and B
A and C
A, B and C
All of the above


What factor has the greatest effect on an objects kinetic energy?
height
potential
mass
velocity


A compressed spring is said to have _______ energy?
elastic
compressed
chemical
mechanical energy


Which of the following would have the greatest potential energy?
1.5 kg rock held 1 meter into the air on Earth
1.5 kg rock held 1 meter into the air on the moon
1.5 kg rock held 2 meters into the air on Earth
1.5 kg rock held 2 meters into the air on the moon


Which of the following statements about an apple falling from a tree is true?
Its kinetic energy decreases and its potential energy increases.
Its potential energy decreases and its kinetic energy increases.
Its kinetic and potential energies remain constant.
Its mechanical energy increases


Ch. 4 Math Problems

Math Problems

If a kg water balloon is shot out of a slingshot at m/s, then how much kinetic energy does it have when launched?

If a kg mail crate falls out of a mail plane that is m high, then how much Potential energy does it have when it first starts to drop?