Kinetic energy
What another name for average kinetic energy?
Temperature
What happens when two objects collide into each other, and they are at different temperatures, then what is the effect?
The amount of kinetic energy get transferred from the warm object to cool.
What is thermal energy?
Thermal energy is the total amount of kinetic energy in an object
True or False: the groundwater system has more total kinetic energy than the freshwater system
True
How does energy get transferred through objects?
When they collide.
Is kinetic energy built when something speeds up or when something slows down?
Speeds up
How does the size matter in a collision?
Since large objects have a greater total kinetic energy, it will transfer more energy to the collided object than a smaller object.
What happens to the particles in an object when it is heated?
They move faster
Why does the groundwater system give more heat to the school than the freshwater system?
Because it is larger meaning it has more total kinetic energy than the freshwater system so it can transfer energy more
When two objects reach a state of equilibrium, that means they are at the same temperature, and they have the same amount of ___________.
Thermal energy
Kinetic energy (temperature) is the ________ of molecules in an object
Speed
If a moving object rolls in one direction and never collides, will it go on forever or will it stop at some point
Thanks to friction, it will stop at some point
If you have a cup of hot tea and a teapot of the same hot tea, which has more thermal energy
The teapot, because it has more particles
How does the water and the heat separate?
They are separated by the energy transfer during collision of the water molecules and the heater
A hot object transfers energy to the cold object until they reach a stable state known as _________.
Equilibrium
True or false: The average kinetic energy and total kinetic energy of something are the same thing since they are both kinetic energy
False
When a moving object hits something, will it stop or slow down?
It depends on the mass of the object
When ice melts in your hand, in which direction does the thermal energy flow?
From your hand to the ice
How is the groundwater system related to the freshwater system?
They both are water heaters and they both heat the school well.
What happens if there isn't enough energy in the hot object to transfer in the cool object so they are at equilibrium?
Then they get as close as possible
True or false: The speed of the molecules move faster when hotter and slower when colder.
True
If a fast-moving bumper car hits a stationary bumper car, what happens to the energy?
The moving car transfers some of its energy to the stationary car, causing the first car to slow down and the second to move
Why does a metal spoon feel colder than a wooden spoon at the same room temperature?
Metal is a better conductor
Why is it better than the freshwater system?
Because the tank is larger meaning it will help provide more heat to the school
If an object is on top of another object, will the transfer increase if the top object is cool or warm?
Warm