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Solids, Liquids & Gases
Changing Energy
Phase Changes
Vocabulary
Random
100
Has a definite volume but not a definate shape
What is a liquid?
100
When a liquid is cooled it becomes what?
What is a solid?
100
Phase change of a solid turning into a liquid
What is melting?
100
Anything that has mass and takes up space
What is matter?
100

These particles move at the speed of light.

What is an electron?

200
Has a definite shape and volume
What is a solid?
200
When heat is added to a liquid it becomes what?
What is a gas?
200
Phase change of a solid turning into a gas
What is sublimation?
200
A group of atoms held together by chemical bonds
What are molecules?
200
As a solid turns to a liquid it's what happens to the thermal energy.
What is increases?
300
In what state do molecules move extremely quickly and by bouncing off each other
What is a gas?
300
When a gas is cooled it becomes a what?
What is a liquid?
300
Change from a liquid to a solid
What is freezing?
300

The smallest particle that is the base of everything.

What is an atom?

300

What are all atoms always in a constant state of?

What is motion?

400
Another name for the states of matter
What are phases of matter?
400
What must happen for matter to change states?
What is it must gain or lose energy?
400
Phase change of a gas turning into a liquid
What is condensation?
400

The positive charged particle in an atom.

What is a proton?

400

What happens when an object's energy increases?

What is the particles move faster?

500

True or False

All Hydrogen atoms have the same properties.

What is true?

500

Double Jeopardy

The name of the process where Carbon Dioxide goes straight from a solid to a gas.

What is sublimation?

500
When heat is added to a liquid and becomes a gas.
What is evaporation?
500

This part of an atom keeps the protons from repelling each other.

What is a neutron?

500

True or False

A carbon atom has the same properties as an oxygen atom.

False