UNIT 2 REVIEW 10-18-21

UNIT 2 REVIEW 10-18-21

by STEPHEN Tressel

Multiple Choice

What is energy?

• It is power.

• It is a snack food

• It is the ability to leap tall buildings

• It is the ability to do work

Multiple Choice

Energy cannot be _______ or ___________.

• Built; torn down

• Blended together; separated

• Created; destroyed

• Condensed; extracted

Multiple Choice

Energy transformation means that

• energy is destroyed

• energy is created

• energy changes from one form to another

• energy is used up

Multiple Choice

Kinetic and potential energy are the two types of energy that relate to:

• Change

• Friction

• Density

• Motion

Multiple Choice

Heat being transferred by moving through a solid (usually a metal) is:

• Conduction

• Convection

• Radiation

Multiple Choice

Heat being transferred by objects that are not touching is

• Conduction

• Convection

• Radiation

Multiple Choice

Heat being transferred through a liquid or gas is

• Conduction

• Convection

• Radiation

Multiple Choice

What is the difference between kinetic energy and potential energy?

• Potential energy is the energy of objects at rest; kinetic energy is the energy of objects in motion

• Kinetic energy is the energy of objects at rest; potential energy is the energy of objects in motion.

• Potential energy has to do with chemistry; kinetic energy has to do with physics

• Kinetic energy has to do with chemistry; potential energy has to do with physics.

Multiple Choice

What is potential energy?

• The energy an object has due to its position or condition.

• The energy an object has due to its motion.

• The energy an object has due to its chemical composition.

• The energy an object has due to its atomic structure.

Multiple Choice

What is kinetic energy?

• The energy an object has due to its position or condition

• The energy an object has due to its motion

• The energy an object has due to its chemical composition

• The energy an object has due to its atomic structure

Multiple Choice

How many kinds of heat transfer are there?

• 1
• 2
• 3
• 4 or more

Multiple Choice

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• Hotter to colder
• Colder to hotter
• Hotter to hotter
• Colder to colder

Multiple Choice

The kind of heat transfer that travels through space in electromagnetic waves is ______________________.

• insulation.
• Radiation
• Conduction
• Convection

Multiple Choice

___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.

• Convection
• Conduction
• Radiation
• insulation.

Multiple Choice

Which statement is true?

• The quicker a molecule moves, the colder it is.
• The slower a molecule moves, the warmer it is.
• The quicker a molecule moves, the warmer it is
• The movement on molecule don�t affect its temperature

Multiple Choice

When you use a microwave, what is the main way that heat is transferred?

• Convection
• Conduction
• Radiation
• insulation.

Multiple Choice

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of

• Convection
• Conduction
• Radiation
• insulation.

Multiple Choice

Which of the following is the best example of conduction?

• A light bulb warming a lampshade
• An egg cooking in a frying pan
• Water boiling in a pot
• Gases circulating in the atmosphere

Multiple Choice

What kind of heat transfer happens when the sun is heating your body?

• Conduction
• Radiation
• Convection
• Density

Multiple Choice

Which of the following is an example of convection?

• A hair dryer is drying up your hair.
• When the AC or heater changes the temperature.
• When a car engine turns hot after being turned on.
• When you are making soup and the water is rising and lowering.

Multiple Choice

Warm air rises and the cool air sinks demonstrates this type of heat transfer. 

• conduction
• convection
• radiation
• Insolation 

Multiple Choice

Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 

• conduction
• convection
• radiation

Multiple Choice

Ironing a shirt is an example of...

• condensation
• conduction
• convection
• radiation

Multiple Choice

A group of friends gather around a fire to stay warm.

• conduction
• convection
• radiation

Multiple Choice

You get sunburned due to __________ from the sun.

• conduction
• convection
• radiation

Multiple Choice

A toaster toasting bread is an example of 

• condensation
• conductio
• convection
• radiation

Multiple Choice

The candle will slowly heat the metal and transfer the heat directly to the mans hand.

• conduction
• convection
• radiation

Multiple Choice

A chair is placed several feet from a fireplace.  The fireplace has a glass screen.  The side of the chair facing the fireplace gets warm because of 

• conduction
• convection
• radiation

Multiple Choice

Which numbered part of the picture represents the way that energy from the sun reaches Earth?

• 1
• 2
• 3
• 4

Multiple Choice

What causes the circulation of air in the atmosphere?

• Air in the atmosphere is heated by the sun and sinks to the ground.
• The ground is heated by the sun and then heats the air, causing the air to rise.
• Air loses heat to the ground and then rises upward to obtain more energy.
• The sun heats the clouds which forces the cooler air to move away and sink.

Multiple Choice

A crayon placed on a dark driveway in bright sunlight melted into a colorful puddle. What caused the crayon to melt?

• Solar radiation heated the driveway and then heat transferred to the crayon by conduction.
• Solar radiation heated the driveway and then heat transferred to the crayon by radiation.
• Solar convection heated the driveway and then heat transferred to the crayon by radiation.
• Solar convection heated the driveway and then heat transferred to the crayon by conduction.

Multiple Choice

What caused the aluminum foil to rise during lab?

• radiation

• conduction

• convection

Multiple Choice

If differences in air pressure produce winds, what can you conclude about temperature and air pressure based on the figure?

• As warm air rises, it creates an area of lower pressure, and cooler air flows in as wind
• Warm air is denser than cold air is, creating an area of high pressure the produces wind.
• Winds flow from areas of low pressure to areas high pressure when temperature is warmer
• Air pressure decreases at night because temperature is lower, producing land and sea breezes

Multiple Choice

At the seashore late in the afternoon on a hot day, a person often feels a strong breeze coming from the ocean because...

• the pounding waves generate air currents
• warm air over the ocean rushes in to replace the cool air that rises over the land
• the heavy, cool air over the ocean rushes in to replace the warm air that rises over the land
• there are no clouds to block the wind coming in from the ocean

Multiple Choice

Heat transfer by convection is caused by differences in what two things:

• Thickness and material

• Weight and electricity

• Temperature and density

Multiple Choice

Which one heats and cools fastest?

• land
• sea
• both are the same rate
• air

Multiple Choice

The cycle that powers the ocean currents, weather, and tectonic plates it called

• conduction current
• radiation
• condition current
• convection current

Multiple Choice

The main reason that we have currents in the ocean and air is

• the sun heats the air and ocean evenly everywhere
• the heat inside the earth heats the ocean and the ocean heats the air
• the sun cannot heat both the air and water, so one must heat the other
• the sun heats air and water more at the equator because it receives more direct sunlight

Multiple Choice

In convection, COOL air

• Rises
• Sinks

Multiple Choice

In convection, WARM air

• Rises
• Sinks

Multiple Choice

What is one role of the ocean in convection?

• to provide a home for animals
• to absorb & release heat
• To surf on
• To drink from

Multiple Choice

The way the heat is moving from the hot coffee is called...

• convection
• radiation
• insulation
• conduction

Multiple Choice

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

Multiple Choice

The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?

• conduction
• convection
• radiation
• Insolation 

Multiple Choice

Warm air is __________ dense than cold air and rises creating convection currents.

• more
• less

Multiple Choice

Near the ceiling of a room the air is warmer.  The warm air rises because of

• conduction
• convection
• radiation

Open Ended

What is happening here?

Multiple Choice

Energy for convection on the Earth comes from...

• The sun
• The moon
• Solar winds
• The ocean

Multiple Choice

Identify the form of energy

• Thermal Energy

• Chemical Energy

• Kinetic Energy

• Potential Energy

Multiple Select

Identify the form of energy

• Potential Energy

• Mechanical Energy

• Chemical energy

• Light Energy

Multiple Choice

Identify the form of energy

• Light

• Chemical

• Mechanical

• Kinetic

Multiple Choice

Identify the form of energy

• Thermal Energy

• Chemical Energy

• Kinetic Energy

• Electromagnetic Energy

Multiple Choice

Identify the transformation of energy

• Electrical to thermal

• Chemical to mechanic

• Kinetic to Potential

• Electromagnetic to chemical

Multiple Choice

Determine the energy transformation

• Chemical to mechanical

• potential to kinetic

• mechanical to electrical

• solar to Electrical

Multiple Choice

Determine the Energy transformation

• Chemical to mechanical

• solar to electrical

• electrical to mechanical

• kinetic to electrical

Multiple Choice

Identify the energy transformation

• Chemical to mechanical

• Solar to electrical

• Electrical to mechanical

• potential to kinetic

Multiple Choice

The fact that energy can be created nor destroyed, only transformed is known as ________.

• For Every Action There is a Reaction

• The Law of Conservation of Energy

• Universal Law of Gravitation

Multiple Select

What are examples of kinetic energy

• A child at the top of a slide

• A washing machine

• Bicycling

• Running a race

• Heating soup

Multiple Choice

Throwing a ball.

• Kinetic

• Potential

Multiple Choice

Kinetic or potential?

• Kinetic

• Potential

Multiple Choice

An airplane flying.

• Kinetic

• Potential

Multiple Choice

Kinetic or potential?

• Kinetic

• Potential

Multiple Choice

A rock at the top of a hill.

• Kinetic

• Potential

Multiple Choice

Kinetic or potential?

• Kinetic

• Potential

Multiple Choice

Someone jogging on a path.

• Kinetic

• Potential

Multiple Choice

Kinetic or potential?

• Kinetic

• Potential

Multiple Choice

A thick stretched rubber band.

• Kinetic

• Potential

Multiple Choice

Kinetic or potential?

• Kinetic

• Potential

Multiple Choice

An orange hanging from a tree.

• Kinetic

• Potential

Multiple Choice

Kinetic or potential?

• Kinetic

• Potential

Multiple Choice

A book on top of a shelf.

• Kinetic

• Potential

Multiple Choice

Which is an example of convection?

• Heat from a campfire

• Snow melting in your hand.

• Water heating on a stove

• Walking on hot sand in your bare feet.

Multiple Choice

Which is an example of conduction?

• Heat from a campfire

• Snow melting in your hand.

• Water heating on a stove

• Walking in snow in your boots.

Multiple Choice

Which is an example of radiation?

• Heat from a campfire

• Snow melting in your hand.

• Water heating on a stove

• Walking in snow in your boots.