conduction convection radiation
What type of thermal energy transfer occurs when two objects are in direct contact?
Conduction
Between warm and cool, which direction does heat always flow?
Warmer to cooler
What happens to kinetic energy when the temperature increases?
Increases
Thermal energy moves from one object to another as...
Heat
What type of heat transfer is responsible for an ice cube melting in your hand?
conduction
What type of thermal energy occurs when heat moves through empty space in the form of waves?
Radiation
If you put boiling water in a cold mug, which way does the heat flow?
from the water to the mug
What happens to temperature when particle movement decreases?
Decreases
average kinetic energy of the particles in a substance, measured with a thermometer.
temperature
Luke is about to start cooking. He places some butter in a pan and heats up the pan. As the pan heats up, the butter begins to melt. How is energy moving?
from the pan and into the butter
What type of thermal energy transfer occurs when heat circulates through fluids? (liquids or gas)
Convection
What has an object reached when both temperatures are equal?
thermal equillibrium
What state of matter is the result of very high kinetic energy?
Gas
Thermal equillibrium is when the temperature of both obects are...
the same/equal
What happens to the motion of O2 molecules as the air temperature drops below 0 ° C?
The molecules decrease in speed.
Ocean and Wind Currrents are an example of which method of thermal energy transfer?
Convection
During convection, which direction does heat go?
Rise/Up
How much kinetic energy is in a liquid?
Decent/Medium
The total amount of kinetic energy in a substance
thermal energy
During a warm summer day, a car became extremely hot. When a student went to open the car door, he burned his fingers. What two forms of energy were responsible for the student burning his fingers?
radiation and conduction
What two methods of thermal energy transfer are used to melt ice on the sidewalk on a hot day?
Conduction and Radiation
Where does heat flow when you put frozen ice in a cold soda?
From the cold soda to the ice.
What happens to particle movement when water is frozen into ice?
Particle slow down/group up
An area or group of objects working together
system
Which type of energy is transferred when liquid water changes into water vapor?
thermal energy