4.1 What is Heat
4.2 Heat Transfer Pt1
4.2 Heat Transfer Pt2
4.3 Earth's Heat Energy
Previous Chapters
100
What is the energy of motion?
Kinetic energy
100
What is Radiation?
Radiation is the transfer of heat by energy waves through energy waves
100
What is Conduction?
Conduction is the transfer of heat through touch.
100
The weakest type of energy wave are...
radio waves
100
How do I find density?
Mass divided by Volume
200
When energy is being transferred, most of the energy is lost in the form of what?
heat
200
What is Convection?
Convection is the transfer of heat through liquids and gases
200
Biting into a freshly microwaved french pizza and burning the top of your mouth is an example of which type of heat transfer?
conduction
200
The strongest type of energy waves are...
gamma waves
200
The opposite force of the buoyant force is...
gravity
300
Heat transfers from _______ to _______ objects
Heat transfers from hot to cold objects
300
Going to ski or snowboard and getting sunburned is an example of which method of heat transfer?
Radiation
300
Opening a lid of boiling water and getting a face-full of steam is an example of...
convection
300
What are the Earth's two sources of heat energy?
The Earth's Core and the Sun
300
When an object is less dense, it will _____
float
400
Explain why a giant iceberg has more heat than a small teacup of hot water
Giant iceberg has A LOT more mass, therefore more atoms and more kinetic energy than a small teacup of hot water.
400
Describe how conduction and radiation are affecting the stirring of a boiling pot of water with a metal spoon.
Conduction: hand touching spoon Radiation: fire heating up pot
400
Which of the 3 methods of heat transfer affects the movement of the Earth?
Convection
400
Where does most of the core's energy come from?
The core's heat comes from the breakdown of radioactive atoms in it.
400
When I heat up air, what happens to the speed and volume of the air molecules?
Speed increases, Volume increases
500
What is the difference between heat and temperature?
Heat is the sum of all the kinetic energy. Temperature is the average speed of atoms.
500
Explain how convection, conduction, and radiation are all present in a pot of boiling water above a gas stove.
Convection: water rising as it is boiled, turning into steam Conduction: pot touching and heating water Radiation: fire heating the pot
500
Come up with an example that includes both conduction and radiation
Answers may vary
500
Out of all the colors of light, which color has the most and least energy?
Purple has the most energy, Red has the least energy
500
What can I do to mass and volume if i want to increase density?
Increase mass or Decrease Volume
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