Thermal contraction occurs when an objects size: Increases or decreases?
Decreases
___________ is the ability to cause change
Energy
In convection, what direction does heat move?
Up
Every object has heat. What direction does the heat from an object have to travel in order for it to turn from Solid to Liquid?
The heat must travel INTO the object.
You put water in a freezer. Over time energy leaves the water and it decreases in volume. This is an example of what?
Thermal contraction
Thermal contraction occurs when particle movement: increases or decreases?
Decreases
Your solar ovens captured what type of heat transfer?
Radiation
What do two objects have to do in order for the transfer to be considered Convection?
They have to touch / make contact
True or false: Baking a cake is an example of a change of matter
True
What does an increase in kinetic energy do to heat?
Increase in kinetic energy causes an increase in heat
True or False: Radiation is heat transferred through VISIBLE waves
false
True or false: The three heat transfers can change an objects state of matter
True
If Hot air rises, and cold air sinks, Why are AC's placed above the room?
The cold air from the AC will sink in the room, cooling the entire room. If the AC was located on the floor, the air wouldn't move - nobody would feel it.
Give two examples of conduction
In your solar ovens the radiation from the sun heats up the air in the oven. The hot air then rises in the oven. The hot air rising is an example of what type of heat transfer?
Convection
What does heat do to particles?
Increases movement / increases kinetic energy
In convection, what are the two materials heat transfers through?
Air and Water
What are the three types of heat transfer? Hint* C, C, R
Convection, Conduction, Radiation
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