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10/8 - Test: Energy

Last updated over 3 years ago
29 questions
1

The best definition of energy is

1

The SI unit(s) for energy is the ____.

1

You can calculate kinetic energy (KE) by using the equation ____.

1

You can calculate gravitational potential energy (GPE) by using the equation

1

The KE of an object increases as its ____ increases.

1

How could you increase the GPE of a ball without raising it higher?

1

Elastic and gravitational examples of what category of energy?

1

The type of energy found in fuels and food is

1

According to the law of conservation of energy, the total amount of energy in the universe ____.

1

On the way down, the KE of a coconut falling from a tree

1

A type of energy caused by the movement of electrons

1

A type of energy caused by the movement of EM waves, such as light.

1

A type of energy in particles in matter due to their random motion.

1

A type of energy caused by large scale motions of objects

1

A type of energy stored in the bonds of atoms and molecules.

1

A type of energy stored when objects are compressed or stretched.

1

A type of energy that depends on an object’s position above the ground.

1

A type of energy that is stored in the nucleus of an atom.

1

For the object below, list 1 type of energy that each object requires to make it work.

Skydiver

1

For the object below, list 1 type of energy that each object requires to make it work.

Solar Calculator

1

For the object below, list 1 type of energy that each object requires to make it work.

dynamite

2

For the electrical appliance below, list at least 2 type(s) of energy it produces.

clothes dryer

2

For the electrical appliance below, list at least 2 type(s) of energy it produces.

light bulb

2

For the electrical appliance below, list at least 2 type(s) of energy it produces.

television

1

Mr. Joule is the best bowler of all the teachers. His favorite bowling ball is a 7.00 kg limited edition SpongeBob ball. Mr. Joule can throw the ball at a velocity of 8.0 m/s down the lane. What is the KE of the ball when Mr. Joule throws it? KE = 1/2mv^2

1

When Mr. Joule gets ready to throw his 7.00 kg bowling ball down the bowling lane, he holds it in front of his head, 1.50 m above the ground. What is the GPE of the ball when Mr. Joule holds it this high? GPE=mgh

1

Where is the KE of the roller coaster the greatest

1

Where is the GPE of the roller coaster the greatest?

3

11. Why does the first hill of a roller coaster need to be the highest?
Use the words kinetic and potential energy in your answer for full credit.