What are the three main states of matter?
Solid, liquid, gas
What do we call anything that has mass and takes up space?
Matter
What change happens when ice turns into water?
Melting
What is a mixture?
Two or more substances combines but not chemically joined.
What state of matter is the air around us?
Gas
What is the fourth, less common state of matter found in stars and lightning?
Plasma
What property describes how heavy something is for its size?
Density
What change happens when water turns into vapor?
Evaporation
What is a solution?
A mixture where one substance dissolves into another
What state of matter is a block of ice?
Solid
What is a semisolid?
A state between solid and liquid, like slime or jelly
What property allows magnets to attract certain metals?
Magnetism
What change happens when gas turns into liquid?
Condensation
What can separate a mixture of sand and water?
A filter or strainer
What state of matter is honey?
Semisolid
Which state of matter has a definite shape and volume?
Solid
What is a physical property you can observe without changing the substance?
Color, shape, or texture
What do we call changes that can be reversed, like melting or freezing?
Physical changes
In saltwater, what is the solute?
Salt
When cooling, what kind of change occurs when batter becomes cake?
Chemical change
In which state are the particles farthest apart and moving fastest?
Gas
What tool would you use to measure mass?
Balance or scale
What do we call a change that creates a new substance?
Chemical change
How could you separate salt from saltwater?
Evaporate the water
Why is studying matter important?
It helps us understand everything around us, since all things are made of matter