Unit 3 GA Milestones Review_Grade 8

Potential and Kinetic Energy

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Multiple Choice

What is energy?

• The ability to do work

• Movement and motion

• Heat and motion

Multiple Choice

Which of the following is stored energy?

• Kinetic Energy

• Potential Energy

Multiple Choice

Which of the following is energy of motion?

• Kinetic Energy

• Potential Energy

Multiple Choice

Which is an example kinetic energy?

• A parked car

• A car racing on the track

Multiple Choice

What type of energy is a person diving into a pool?

• Kinetic Energy

• Potential Energy

Multiple Choice

What type of energy is a rubber band stretched back?

• Kinetic Energy

• Potential

Multiple Choice

What type of energy is a baseball after it is hit by the bat?

• Kinetic Energy

• Potential Energy

Multiple Choice

Where does the waterfall have more potential energy?

• At the very top of the waterfall, right before the water falls down.

• As the water is falling down the waterfall.

Multiple Choice

What type of energy is an arrow zooming toward a target?

• Kinetic Energy

• Potential Energy

Multiple Choice

What type of energy is an arrow that is about to be released?

• Kinetic Energy

• Potential Energy

Potential and Kinetic Energy

Understanding Kinetic and Potential energy.

Multiple Choice

Which type of energy has to do with objects in motion?

• Potential

• Kinetic

Energy

• Potential Energy- Energy due to an objects position or condition.

• Kinetic Energy - Energy due to an objects motion.

• Energy cannot be created or destroyed only change.

How to increase potential energy.

There are 2 ways to increase the potential energy of an object in relation to gravity.

-Increase the object's height.

-Increase the object's mass.

Multiple Choice

Which of these has the most potential energy.

• A

• B

• C

• D

Kinetic Energy

• The amount of Kinetic energy and object has is related to to 2 factors.

• Mass of the object

• Speed of the object

Multiple Select

If a football player wants to become better at tackling by increasing his or her kinetic energy, how can the player do this?

• Increase his/her height

• Increase his/her speed

• Increase his/her mass

• Decrease his/her speed

Potential and Kinetic Energy

Notice that as the kinetic energy increases the potential energy decrease.

When the coaster goes back up the hill the energy is converted back to potential energy.

Open Ended

The Law of Conservation of Energy states, "Energy is never created or destroyed only change." How does the relationship between potential and kinetic energy illustrate this?

Potential and Kinetic Energy

Understanding Kinetic and Potential energy.

Multiple Choice

Which type of energy has to do with objects in motion?

• Potential

• Kinetic

Energy

• Potential Energy- Energy due to an objects position or condition.

• Kinetic Energy - Energy due to an objects motion.

• Energy cannot be created or destroyed only change.

How to increase potential energy.

There are 2 ways to increase the potential energy of an object in relation to gravity.

-Increase the object's height.

-Increase the object's mass.

Multiple Choice

Which of these has the most potential energy.

• A

• B

• C

• D

Kinetic Energy

• The amount of Kinetic energy and object has is related to to 2 factors.

• Mass of the object

• Speed of the object

Multiple Select

If a football player wants to become better at tackling by increasing his or her kinetic energy, how can the player do this?

• Increase his/her height

• Increase his/her speed

• Increase his/her mass

• Decrease his/her speed

Potential and Kinetic Energy

Notice that as the kinetic energy increases the potential energy decrease.

When the coaster goes back up the hill the energy is converted back to potential energy.

Open Ended

The Law of Conservation of Energy states, "Energy is never created or destroyed only change." How does the relationship between potential and kinetic energy illustrate this?

Multiple Choice

At which point is potential energy greatest?

• W
• X
• Y
• Z

Multiple Choice

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above 

Multiple Choice

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

• more
• less
• none of the above
• same

Multiple Choice

What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic
• Both potential and kinetic energy
• none of the above

Multiple Choice

Which is the best example that something has kinetic energy?

• a. a car parked on a steep hill 
• b. a tennis ball rolling across the court
• c. a picture hanging on the wall 
• d. a piece of coal before it's burned 

Multiple Choice

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

Multiple Choice

Energy can be _____________ or changed from one type to another.

• destroyed
• transferred
• created
• ignored

Multiple Choice

What kind of energy is in a stretched rubber band?

• Potential
• Kinetic

Multiple Choice

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

• true
• false

Multiple Choice

At which point is kinetic energy greatest? 

• W
• X
• Y
• Z

Multiple Choice

• Potential Energy
• Kinetic Energy

Multiple Choice

• Potential Energy
• Kinetic Energy

Multiple Choice

• Potential Energy
• Kinetic Energy

Multiple Choice

• Potential Energy
• Kinetic Energy

Multiple Choice

• Potential Energy
• Kinetic Energy

Multiple Choice

When Convection occurs in the atmosphere

• Cool air rises, warm air sinks

• warm air rises. cool air sinks

• warm air sinks, cool air sinks

• warm air rises, cool air sinks

Multiple Choice

Which of these is an example of radiation

• bacon on a heated skillet

• falling on a sidewalk

• sun heating up the sand

• putting a blanket on

Multiple Choice

heat always transfers from

• right to left

• left to right

• hot to cold

• cold to hot

Multiple Choice

Which of these options show heat being transferred by radiation

Multiple Choice

Which states of matter are considered fluids and can do convection?

• Gases only

• Liquids only

• Liquids and gases

• Liquids, gases, and Solids

Multiple Choice

The total energy of all the particles in a substance is called

• temperature

• thermal energy

• degrees

• mass

Multiple Choice

What happens to particles as they heat up?

• They slow down
• Nothing
• They don't move
• They speed up

Multiple Choice

Energy that travels as electromagnetic waves is called ______

• conduction
• convection
• radiation

Multiple Choice

Radiation is how energy from the sun is transferred to Earth.

• true
• false

Multiple Choice

The transfer of thermal energy through a substance by direct contact is called___.

• conduction
• insulation
• convection
• radiation

Multiple Choice

The transfer of thermal energy from one place to another by the the movement of fluids is

• convection
• conduction 
• radiation
• thermal energy

Multiple Choice

Which material is the best conductor of heat?

• glass
• styrofoam
• metal
• wood

Multiple Choice

What materials would be good insulators for a handle on a pan or pot that would be used on the stove?

• wood or plastic
• metal or rubber
• wood or rubber
• copper or steel

Multiple Choice

Is a measure of how hot or cold something is 

• Cold
• Heat
• Temperature
• Thermal Energy 

Multiple Choice

In a lava lamp, the warm part rises and the cool part sinks.  This is an example of 

• heat computation
• convection
• conduction
• radiation

Energy Transformations

​

All the energy in the UNIVERSE is already here and will always be here.

Law of Conservation of Energy

states that energy cannot be created or destroyed,

it can only change forms.

Multiple Choice

When energy is released, it dissappears.

• True

• False

Energy Transformation

is the process of energy changing from one form to another.

Efficiency vs Inefficiency

Efficiency is the ratio of USEFUL output energy to input energy (ex: 95/100 or 95%)

Inefficiency is the UNUSEFUL or "wasted" energy output that is unintentional. Usually in the form of sound or thermal (heat) energy.

Multiple Select

What are the most common types of inefficiency?

• Radiant

• Thermal

• Electrical

• Sound

• GPE

Example:

Battery-powered flashlight

Chemical --> electrical --> radiant

Open Ended

List one type of inefficiency in a flashlight.

Open Ended

What is the energy transformation in an electric blender?

Open Ended

What is the energy transformation in a star?

Open Ended

What is the energy transformation in an electric toaster?

Open Ended

What is the energy transformation in a person running?

Open Ended

What is the energy transformation in a person skydiving?

Open Ended

What is the energy transformation in a solar panel?

Open Ended

What is the energy transformation in a person swimming?

Open Ended

What is the energy transformation in apple trees growing in an orchard?

Open Ended

What is the energy transformation in an gas stove?

Open Ended

What is the energy transformation in an gas powered car?

Open Ended

What is the energy transformation in a drummer drumming?

Energy Transformations

​

All the energy in the UNIVERSE is already here and will always be here.

Law of Conservation of Energy

states that energy cannot be created or destroyed,

it can only change forms.

Multiple Choice

When energy is released, it dissappears.

• True

• False

Energy Transformation

is the process of energy changing from one form to another.

Efficiency vs Inefficiency

Efficiency is the ratio of USEFUL output energy to input energy (ex: 95/100 or 95%)

Inefficiency is the UNUSEFUL or "wasted" energy output that is unintentional. Usually in the form of sound or thermal (heat) energy.

Multiple Select

What are the most common types of inefficiency?

• Radiant

• Thermal

• Electrical

• Sound

• GPE

Example:

Battery-powered flashlight

Chemical --> electrical --> radiant

Open Ended

List one type of inefficiency in a flashlight.

Open Ended

What is the energy transformation in an electric blender?

Open Ended

What is the energy transformation in a star?

Open Ended

What is the energy transformation in an electric toaster?

Open Ended

What is the energy transformation in a person running?

Open Ended

What is the energy transformation in a person skydiving?

Open Ended

What is the energy transformation in a solar panel?

Open Ended

What is the energy transformation in a person swimming?

Open Ended

What is the energy transformation in apple trees growing in an orchard?

Open Ended

What is the energy transformation in an gas stove?

Open Ended

What is the energy transformation in an gas powered car?

Open Ended

What is the energy transformation in a drummer drumming?

Multiple Choice

What is the energy transformation?

• Kinetic to Mechanical to Electrical
• Kinetic to Mechanical to Kinetic
• Electromagnetic to Mechanical to Electrical
• Kinetic to Sound to Electrical

Multiple Choice

What is the energy transformation?

• Kinetic to Mechanical to Electrical
• Chemical to Mechanical to Kinetic
• Electromagnetic to Chemical to Electrical
• Kinetic to Sound to Chemical

Multiple Choice

What is the energy transformation?

• Kinetic to Mechanical and Electrical
• Chemical to Thermal and Electromagnetic (light)
• Electromagnetic to Chemical and Electrical
• Kinetic to Sound and Chemical

Multiple Choice

What is the energy transformation?

• Kinetic to Mechanical to Electrical
• Mechanical to Electrical to Kinesthetic
• Electromagnetic to Chemical to Electrical
• Kinetic to Sound to Chemical

Multiple Choice

What is the energy transformation?

• Electrical to Electromagnetic
• Mechanical to Electrical
• Electrical to Thermal
• Kinetic to Sound

Multiple Choice

What is the energy transformation?

• Electromagnetic to Electrical
• Mechanical to Electrical
• Electrical to Thermal
• Kinetic to Sound

Multiple Choice

What is the energy transformation?

• Nuclear to Electrical
• Mechanical to Electrical
• Electrical to Thermal
• Kinetic to Sound

Multiple Choice

What is the energy transformation?

• Chemical to Electrical to Light

• Mechanical to Electrical to Light

• Electrical to Thermal to Mechanical

• Kinetic to Sound to Potential

Multiple Choice

What is the energy transformation?

• Mechanical to Kinetic to Sound
• Mechanical to Electrical to Light
• Electrical to Thermal to Mechanical
• Kinetic to Sound to Potential

Multiple Choice

What is the energy transformation?

• Potential to Kinetic
• Kinetic to Potential
• Electrical to Kinetic
• Kinetic to Electromagnetic