Vocabulary
To move from one object to another or one place to another
What is transfer?
When a thing gets hotter, it's molecules are moving faster and have more _________
What is kinetic energy?
There are two identical cups of water at the same temperature, and one is put into the refrigerator while the other one over an open fire, the one over the fire will have molecules with more kinetic energy.
What is True?
Energy from the fire transfers to the water, while the refrigerator takes energy from the water.
Thermal Energy
1 4 7
what is 12
The transfer of heat through electromagnetic waves
What is radiation?
A small part that is meant to show what the whole is like
What is sample?
Energy can not be _____
What is created or destroyed?
When something becomes colder, its kinetic energy is getting destroyed
What is False?
Energy is neither created nor destroyed, merely transferred.
Temperature
1 4 7
What is 4?
Convection
Equilibrium
What is a balanced state in which a system is stable?
The molecule in a system will transfer energy until it reaches this
What is equilibrium?
A cup of cold water has more thermal energy than a teaspoon of boiling water
What is True?
Thermal Energy depends on how many molecules there are more than how hot they are.
Thermal Energy
15 21 35
What is 71?
Water freezes at ______ and boils at _________.
What is 0oC and 100oC?
Thermal Energy
What is the total kinetic energy if all the molecules that make up a sample?
When something gains or loses energy, the energy gained or lost is _____ among all the molecules of the thing.
What is divided?
A huge igloo has more thermal energy than a small bonfire
What is true?
Thermal energy is based on the total kinetic energy of all the molecules; the igloo has more molecules
Temperature
34 2 3
What is 13?
Most good conductors have this in common
What is they are all metal?
The difference between thermal energy and temperature
What is thermal energy is the total kinetic energy and temperature is the average kinetic energy?
If Object A is three times larger than Object B, the equilibrium temperature will be closer to the starting temperature of _________.
What is Object A?
A normal jacket warms you up by generating kinetic energy
What is False?
It simply traps the kinetic energy your body produces and insulates you.
A has 5 molecules with 6 energy each. B has 2 molecules with 20 energy each. If they are put together, in the end each molecule has this much energy.
What is 10?
The sand at a beach is hotter than the water. This is because it has _______
What is a lower specific heat capacity?