Energy Review OL 24-25

Energy Review
Grade 6 OL 24-25

Students will be able to describe and model gravitational, elastic, and chemical potential energies. (6.8A, 5E, 1G)

Remember doing these things in class:
Boink
Roller Coaster
Bouncing Ball
Energy Transformations Station Lab

Multiple Choice

The direction of force of friction is always _____ to the direction of motion

• same

• opposite

• unchanged

• none of these

Multiple Choice

Without friction, an object in motion would never stop.

• true

• false

Multiple Choice

Which type of potential energy causes the arrow to shoot from the bow?

• kinetic
• elastic
• chemical
• gravitational

Multiple Choice

The diagram shows the same spring being stretched at different lengths using different masses. At which length does the spring have the MOST potential energy?

• length A

• length B

• length C

• length D

Multiple Choice

At which position does the child on the swing have the most gravitational potential energy?

• W

• X

• Y

• Z

Multiple Select

Pick two examples of chemical potential energy.

• Battery

• Firewood

• A rubber band

• A ball at the top of a hill

Multiple Choice

Energy stored in food and fuels

• Gravitational potential energy
• Chemical Potential Energy
• Elastic Potential Energy
• Energy

Students will be able to compare and contrast potential and kinetic energy based on observations (6.8A, 5E, 1A)

Which position has the:
Greatest PE
Lowest PE
Greatest KE
Lowest KE
PE = KE

Multiple Choice

Kinetic energy CANNOT be converted to potential energy.

• TRUE
• FALSE

Multiple Choice

The amount of mass affects the amount of energy that an object has.

• TRUE
• FALSE

Multiple Choice

A roller coaster cart would have the greatest kinetic energy ___________________.

• at the top of the highest hill
• at the bottom of the highest hill
• as it makes a banked turn
• as it completes a loop

Multiple Choice

On a roller coaster, where is maximum potential energy?

• At the bottom of a big hill
• When going around a corner
• When going upside down
• At the top of the tallest hill

Multiple Choice

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above

Multiple Choice

Wood, batteries, gasoline, and  food are all examples of ________________________.

• gravitational potential energy
• elastic potential energy
• chemical potential energy
• None of the above

Multiple Choice

When you compress a spring, you are storing __________ energy.

• sound

• elastic

• light

• chemical

Multiple Choice

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Multiple Choice

Energy can not be created or destroyed, only converted from one form to another.

• true
• false

Multiple Choice

At which point is potential energy greatest?

• W

• X

• Y

• Z

Multiple Choice

Which passenger has the most potential energy?

• A

• B

• C

• D

Multiple Choice

When a pendulum swings, at which point is kinetic energy highest?

• 1
• 2
• 3
• 4

   Students will be able to develop and use models to represent systems where energy is transferred and transformed. (6.8B, 1G, 5E)

How does one form of energy change to another?
PE to KE
Light to chemical
Electrical to mechanical

Multiple Choice

Explain what happens to the potential energy of a rock as it falls off the side of a cliff.

• The kinetic energy decreases as the potential energy increases.
• The kinetic energy decreases as the potential energy decreases.
• The potential energy decreases as the kinetic energy increases.
• The potential energy decreases as the kinetic energy decreases. 

Multiple Choice

When riding a roller coaster, you go up and down many hills. As you get to the top of a roller coaster, what energy change is taking place.

• Potential energy is changed into kinetic energy.
• Kinetic energy is changed into potential energy.
• Chemical energy is changed into heat energy.
• Heat energy is changed into chemical energy. 

Multiple Choice

The picture is demonstrating an example of ______ . 

• gravity
• speed
• kinetic energy
• potential energy

Multiple Choice

The picture is an example of _____ .

• gravity
• potential energy
• kinetic energy
• friction

Multiple Choice

Which point has the most potential energy?

• G

• F

• B

• A

Multiple Choice

The diagram to the right represents a diver’s motion from the top of a high diving board into a pool of water. At what point does the diver have the greatest kinetic energy and the least potential energy?

• 1
• 2
• 3
• 4

Multiple Choice

Ms. Longino's students are complaining that it is hot in the classroom. She plugs in the fan and turns it on, which energy transformation occurs?

• mechanical to electrical
• electrical to mechanical
• chemical to mechanical
• electromagnetic to mechanical

Multiple Choice

The sun’s energy used by green plants to produce food is an example of light energy being converted to what other form of energy?

• kinetic energy
• heat energy
• mechanical energy
• chemical 

Multiple Choice

If you have a battery in a device, what is the first energy transformation that must happen?

• Chemical to light

• Chemical to electrical

• Electrical to chemical

• Electrical to light

Multiple Choice

Where is energy converted from light energy to chemical energy

• rabbits

• snakes

• eagle

• grass

Multiple Choice

A student plays the guitar. What type of energy transformation is happening?

• chemial to electrical

• mechanical to sound

• potential to kinetic

• mechanical to potential

·       Students will be able to analyze data to discover that energy is conserved through transfers and transformations. (6.8B, 2B, 5E)

What do graphs look like when energy changes from PE to KE?

What happens when friction is added into the problem?
How is PE and KE changed to Thermal Energy?

Students will be able to model how energy transfers through transverse and longitudinal waves. (6.8C, 5E, 3A)

What are examples of waves around us in the real world?
Which waves are longitudinal?
Which waves are transverse?

Multiple Choice

Which wave has the lowest frequency?

• A

• B

• C

• D

Multiple Choice

Which is an example of a longitudinal wave?

• x ray

• microwave

• sound wave

• water wave

Multiple Choice

The two waves have different...

• amplitudes

• speeds

• wavelengths

• frequencies

Multiple Choice

Which letter represents the trough?

• A

• B

• C

• D

Multiple Choice

What kind of wave is pictured?

• Transverse
• Longitudinal
• surface
• none of the above

Multiple Choice

What does a wave carry from place to place?

• energy

• matter

• people

Multiple Select

Which are properties of a mechanical wave? [pick 2]

• none of the answers

• can move through space

• move through matter

• carries energy

Students will be able to explain process of energy transfer through transverse and longitudinal waves. (6.8C, 5E, 3A)

How does energy move through longitudinal waves?
How does energy move through transverse waves?

Multiple Choice

Which letter represents the crest?

• A

• B

• C

• D

Multiple Choice

What travels through a wave?

• mass

• energy

• mass and energy

• neither mass nor energy

Multiple Choice

Which electromagnetic radiation has the longest wavelength?

• infrared

• gamma

• radio

• ultraviolet

Multiple Choice

Which electromagnetic radiation has the shortest wavelength?

• infrared

• gamma

• microwave

• ultraviolet

Multiple Choice

What is the medium for wave energy if you throw a rock into a lake?

• water

• air

• earth

• no medium - in a vacuum

Multiple Choice

Which wave type has energy moving perpendicular to the movement of particles of matter?

• no waves

• all waves

• Longitudinal

• Transverse

Multiple Choice

Which wave type has energy moving parallel to the motion of the particles?

• all waves

• Transverse

• Longitudinal

• no waves