Vocabulary
What's the definition of Kinetic Theory?
An explanation of how particles in matter behave.
Which state of matter has the fastest moving particles?
GAS
what are all forms of matter made of?
Particles
What does m represent?
Mass
A ball is sitting still. What is its Kinetic energy?
0
What is a solid?
Is particles packed together closely?
What happens to Kinetic energy when particles move faster?
It increases
How do particles move in a liquid?
They move freely and quickly
What does v repersent?
Velocity
Which has more has more kinetic energy? a fast car or a slow car of the same mass?
The fast car
What's the definition for MELTING point?
The tempature at which a solid changes into a liquid
Why does heating matter increes particle motion?
The particles gain kinetic energy.
What happens to particle motion when thermal energy is added?
Particles move faster
If speed doubles, how does kinetic energy change?
It becomes 4 times greater
What type of energy does a moving skateboard have?
KINETIC ENERGY
What is a Gas?
A state of matter with particles that are far apart and move freely
Thermal energy moves from a ____ object to a ____ object.
A. Cooler to Warmer
B. Wamer to Cooler
C Boling to Freezing
How do particles move in a solid?
The vibrate in place
If mass increases while speed stays the same, What happpens to KE?
It increaes
if an object's mass increases but its speed stay the same, what happpend to its KE?
What is Matter?
Anything that has mass and takes up space
How does thermal energy from the Sun reach the Earth?
If you freeze the particles in a gas, what would happened?
The particles would slow down and stop moving freely
What energy of motion called?
Kinetic energy
What two things affect KE?
Mass and Velocity