States of Matter
Adding or Removing Heat
Phase Changes
Vocabulary
100
I have a definite volume but not a definite shape. What am I?
What is a liquid?
100
When a liquid is cooled it becomes what state of matter?
What is a solid?
100
What is the process in which matter changes from one state to another?
What is change of state?
100
Anything that takes up space and has mass
What is matter?
200
I have a definite shape and a definite volume. What am I?
What is a solid?
200
When heat is added to a liquid it becomes which state of matter?
What is a gas?
200
What is the phase change called when a solid turns into a liquid?
What is melting?
200
The smallest unit of matter
What are atoms?
300
My molecules move very quickly and bounce off each other. What am I?
What is a gas?
300
When a gas is cooled it becomes which state of matter?
What is a liquid?
300
What is the phase change called when a liquid turns into a solid?
What is freezing?
300
A small group of atoms that form something bigger
What are molecules?
400
What state of matter is tomato soup?
What is a liquid?
400
What has to happen for matter to change states?
What is it must gain or lose energy?
400
What is it called when a liquid turns into a gas?
What is evaporation?
400
The substance that forms when water turns into a gas?
What is vapor?
500
What state of matter is an ice cube?
What is a solid?
500
Why does ice cream melt on a hot day?
What is because heat can turn solids into liquids through melting?
500
What is the phase change called when a gas turns into a liquid?
What is condensation?
500
When a solid turns into a gas without becoming a liquid first
Hint: think dry ice
What is sublimation?