Vocabulary I
Definition of Kinetic Energy
The energy an object has because it is moving
A number that summarizes a set of data is the ______
Average
What are things made of?
molecules
When an object has greater kinetic energy, it is said the molecules have this speed.
Faster
What day is the CJA?
Tomorrow (Wednesday)
The moment when two objects hit each other
This is the type of energy that an object has because it is moving
Kinetic energy
The following 3 molecules are moving at speeds 1, 2, and 3. Their temperature is ___
2
When water freezes in a freezer, this is what has happened to the energy of the molecules of water.
Decreased
Which unit of measurement is most common for temperature?
Celsius
when something stays mostly the same over time
Stable/Stability
a set of interacting parts forming a complex whole
System
This is how molecules are able to transfer energy from one object to another.
colliding / collision
Energy is not created or destroyed. Instead, it does this.
Transfer
Today, Mr. Wallenstein got an iced coffee with oatmilk and two pumps of ________.
Hazelnut
This is a measure of how hot or cold something is.
temperature?
Temperature is a measure of __________ kinetic energy.
average kinetic energy
This is how to calculate the average kinetic energy of a substance.
total kinetic energy DIVIDED by the number of molecules
Lisa melted a candle to make an art project. Then, she placed the project by a fan to cool it off. This is the direction that energy is transferring.
From candle to air (from faster/ hot to slow/ cold molecules)
The largest organ of the human body is.
What is skin?
When a system is stable, such as when two or more samples are at the same temperature
Equilibrium
Molecules transfer energy until they reach this stable state.
Equilibrium
Find the average kinetic energy.
3 2 2 2 3
3 2 1 2 1
1 3 3 1 1
2
You have a bowl of soup. To cool it off quicker, you put an ice cube in it. Energy will transfer from the __________ to the _________.
What new movie has Mr. Wallenstein seen twice in the past month?
Wicked