Particle Motion
Changes in State
Movement of Heat
Force of Attraction
States of matter
100

Particles in a ________ vibrate but remain in fixed positions.

What is Solid

100

You can see your breath outside on a cold day.

Freezing- water in breath becomes ice.

100

Two objects become the same temperature over time because of...

Thermal Equilibrium

100

This state of matter has the greatest force of attraction.

Solid

100
Anything that has mass and volume
What is matter
200
____________ take the shape of their container. Particles in a __________ are close together but not tightly arranged.
What is Liquid
200

The sun shines on dew on the grass and the dew disappears.

Evaporation (liquid becomes gas)

200

1 object is 900 and another is 400.  What will be their temp over time?

650

200

As a substance changes from liquid to gas, how do the molecules move?

they speed up/bounce around

200
amount of matter in an object
What is mass
300
Particles in _________ slide past each other, creating flow.
What is Liquid
300

On a hot day, a door gets stuck.

Thermal Expansion

300

When water becomes ice, its because the water gained cold. T or F

False- it lost heat

300

Which material has greater force of attraction.  Salt, water, or air?

Salt- the solid

300
When a liquid or gas is heated, the particles move faster and spread apart. As a result, the particles of the heated fluid occupy more space. The fluid’s density __________.
What is Decreases
400
Particles in _______ are far apart.
What is Gas
400

Sweat cools you off because it does what?

Evaporates (and takes heat with it)

400

As an object melts, the particles lose mass. T or F

False

400

As an object is heated, the molecules move ______ _____

further apart

400
When a fluid cools, its particles move more slowly and settle together more closely. As is becomes cooler, its density __________.
What is increases
500
The process in which a solid becomes a liquid is called melting. As a solid is heated, if the ___________ in the particles are fast enough, the particles break loose and slide past one another.
What is Vibrations
500

Fat on Bacon liquifies when heated.

Melting

500

The _______ the temperature, the faster the particles.

warmer/hotter
500

If you decrease the temp of a gas, the forces of attraction will

Increase

500
the amount of space an object takes up is ___________. How much volume does a gas take up?
What is volume, the amount of space available
M
e
n
u