What are the three common states of matter?
Hint: Think about ice, water, and steam
What is the fourth state of matter found in stars?
Hint: It's superheated gas with charged particles
What is the difference between a physical change and a chemical change?
What is density?
Hint: It tells you how tightly packed matter is
What happens to molecules when a substance is heated?
What is sublimation?
Hint: Dry ice does this
What is the difference between an element and a compound?
What is a mixture?
What is the boiling point of water in Celsius and Fahrenheit?
What is the freezing point of water?