Lesson 4.2 - Energy & Heat Transfer

​Do Not Copy!

​Q = Energy m = Mass
c = Specific Heat Capacity

Multiple Choice

What is the definition of energy?

• The capacity to do work

• The physical state of matter

• The transfer of heat

• The average kinetic energy of particles

Multiple Choice

Which of the following is an example of a physical change?

• Ice melting

• Hydrogen and oxygen reacting to form water

• Photosynthesis in plants

• Baking a cake

Multiple Choice

What is the law of conservation of energy?

• Energy can be created but not destroyed

• Energy can be destroyed but not created

• Energy can be changed from one form to another

• Energy remains constant during any physical or chemical change

Multiple Choice

How many calories is in a Calorie?

• 9

• 4

• 4

• 1000

Multiple Choice

The ability to do work

• A. chemical energy

• B. Friction

• C. electrical energy

• D. Energy

Multiple Choice

The energy stored in an object is its _______ Energy

• kinetic

• Potential

• Transformed

• Joule

Multiple Choice

When you are doing work you are exerting...

• Push

• Pull

• Energy

• Power

Multiple Choice

What type of energy is in this picture?

• Kinetic
• Potential
• Chemical
• Sound

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

Energy cannot be created or destroyed, only converted from one form to another

• true
• false

Explanation Slide...

You saw this in the pHet Lab. The "lost" energy was converted to useless heat. It wasn't gone. We just couldn't use it to keep moving.

Multiple Choice

The two types of energy listed under mechanical energy

• kinetic and nuclear

• potential and kinetic

• potential and nuclear

• wind and thermal

Multiple Choice

Energy that is related to an object's height is called

• elastic potential energy

• gravitational potential energy

• energy transformation

• energy

Multiple Choice

The ability to do work by applying force is called

• work

• energy

• force

• net force

Multiple Choice

Rubber bands, a drawn bow, and slinkies are examples of

• gravitational potential energy

• chemical potential energy

• elastic potential energy

• sound energy

Multiple Choice

Stored energy or energy due to its position is called

• mechanical energy

• potential energy

• kinetic energy

• thermal energy

Multiple Choice

Which of the following objects has kinetic energy?

• A lamp that is turned off

• A bike parked at the top of a hill

• a ball thrown across the yard

• Fallen leaves laying on the ground below a tree

Multiple Select

Heating a room with a fireplace

• Conduction

• Convection

• Radiation

Multiple Choice

How does heat energy reach the Earth from the Sun

• Convection

• Radiation

• Conduction

• Insulation

Multiple Choice

• Conduction

• Convection

• Radiation

Multiple Choice

• Conduction

• Convection

• Radiation

Multiple Choice

What is the definition of CONDUCTION?

• When heat is transferred from objects like rays of light or electromagnetically.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• When heat transfers from objects that are touching.
• When heat transfers through the heater or AC in your house.

Multiple Choice

What is the definition of CONVECTION

• When heat transfers through waves.
• When heat transfers from objects that are touching.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• Heat traveling from the sun

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

What heat transfer happens when you burn your hand by touching a fire?

• Radiation
• Conduction
• Convectio
• I don't know!!!!!!!!!!!

Multiple Choice

Which of the following is needed for convection to happen?

• Fluid/s
• Light in the form or rays
• Electromagnetic waves
• Fire

Multiple Select

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

• convection
• radiation
• insulation
• conduction

Multiple Choice

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

• conduction
• convection
• radiation
• Insolation 

Multiple Choice

The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 

• conduction
• convection
• radiation

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

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

• conduction
• convection
• radiation

Multiple Choice

Johnny accidentally grabbed the handle of the hot pot.

• conduction
• convection
• radiation

Multiple Choice

Which best describes the process of convection?

• Convection is the primary way  heat travels  through rays.
• Convection is the primary way heat travels  through metals.
• Convection is the primary way heat travels  through appliances.
• Convection is the primary way heat travels  through liquids and gasses.

Multiple Choice

How is heat transferred when boiling a pot of water on the stove?

• conduction
• convection
• combustion
• radiation

Multiple Choice

What is the definition of CONVECTION

• When heat transfers through waves.
• When heat transfers from objects that are touching.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• Heat traveling from the sun

Multiple Choice

Warming hand with a hot hands pack.

• Conduction
• Convection
• Radiation

Multiple Choice

Eggs cooking in a frying pan.

• Conduction
• Convection
• Radiation

Multiple Choice

Snowman melting in the sun.

• Conduction
• Convection
• Radiation

Multiple Choice

Water boiling in a kettle.

• Conduction
• Convection
• Radiation

Multiple Choice

Warmth from the fireplace circulating through the house.

• Conduction
• Convection
• Radiation

Multiple Choice

Tongue freezing to a metal pole.

• Conduction
• Convection
• Radiation

Multiple Choice

Ice melting on a hotplate.

• Conduction
• Convection
• Radiation

Multiple Choice

Freezing outside on a cold day.

• Conduction
• Convection
• Radiation

Multiple Choice

Steam piping out of a teapot.

• Conduction
• Convection
• Radiation

Multiple Choice

Laying out in the sun.

• Conduction
• Convection
• Radiation

Multiple Choice

Roasting marshmallows on the side of a campfire.

• Conduction
• Convection
• Radiation

Multiple Choice

Making grilled cheese in a pan.

• Conduction
• Convection
• Radiation

Multiple Choice

The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?

• radiation
• conduction
• convection
• insulation

Multiple Choice

Which describes what can happen as a result of radiation?

•  A piece of wood burns in a fire.
• A shirt is hot after having been  ironed.
• A can of soup is heated in a pot on a stove.
• A car’s inside temperature rises  to over 100 degrees on a sunny day.

Multiple Choice

John put a heat pack on his cold feet. What will most likely be the result?

• The cold from John’s feet will  be radiated into  the heat pack.
• The warmth of the heat pack will be radiated  onto John’s feet.
• The cold from John’s feet will be conducted  into the heat pack.
• The warmth of the heat pack will be conducted  onto John’s feet.

Multiple Choice

Which best describes the process of convection?

• Convection is the primary way  heat travels  through rays.
• Convection is the primary way heat travels  through metals.
• Convection is the primary way heat travels  through appliances.
• Convection is the primary way heat travels  through liquids and gasses.

Multiple Choice

How is heat transferred to the water from the pot on the stove?

• conduction
• convection
• combustion
• radiation

Multiple Choice

Which is an example of heat being transferred by conduction?

• a furnace heating the air in a school
• an ice cube melting in a person’s hand
• a pot of water on a stove boiling
• the sun heating water in a swimming pool

Multiple Choice

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

• conduction
• convection
• radiation
• Insolation 

Multiple Choice

• Conduction

• Convection

• Radiation