VOCABULARY MATCH
The measure of the average kinetic energy of the particles in a substance.
What is Temperature?
What is conduction?
Thermal energy ALWAYS flows from _____ to ____ (warm to cool or cool to warm)
warm to cool
Choose the insulator: aluminum or styrofoam
What is styrofoam?
Energy can be completely destroyed if an object cools down in air.
Falso
the total kinetic energy of all the particles in a substance
What is thermal energy?
feeling the sun on your face is this type of thermal energy transfer
What is radiation?
What is faster?
Choose the conducutor: copper wire or bubble wrap
What is copper wire?
This scientific law states that energy cannot be created or destroyed.
What is the Law of Conservation of Energy?
a material that slows down the transfer of thermal or electrical energy
What is an insulator?
This type of thermal energy transfer creates circular currents in liquids or gases as warm fluid rises and cool fluid sinks
What is convection?
When a hot cup of tea sits on a room-temperature desk, the speed of the tea molecules _______________.
What is slow down?
If you heat 50mL of water and 500mL of water on identical heaters for 2 minutes, which sample reaches a higher temperature?
50 mL
You warm up a brick and place it in a cool room. The hot brick transfers heat (thermal energy) into the surrounding ______.
What is air?
a material that easily transfers thermal or electrical energy through particle collisions
What is a conductor?
Using a gas stove or campfire to heat up a pot (open flame) uses is an example of this type of thermal energy transfer
What is radiation?
As warm matter touches cool matter, the kinetic energy is passed from particle to particle through __________.
What are collisions?
Why does a smaller sample of water warm up faster than a larger sample when given the same amount of heat?
It has fewer total particles sharing the energy
As the thermometer goes down, the thermal energy in that matter is _______.
What is going down (or decreasing)?
the state when two touching objects reach the exact same temperature and energy stops flowing
What is thermal equilibrium?
ocean and wind currents are caused by this type of thermal energy transfer
What is convection?
If you drop an ice cube into warm water, the energy transfers _________ (into the water or into the ice)
into the ice
A small cup of water and a giant bucket of water are both at $50^\circ\text{C}$. Which container has more total thermal energy?
The giant bucket
As you put a hot brick in a room temperature container of water, the energy leaves the brick and goes into the water until ______ ______ is reached.
What is thermal equilibrium?