States of matter
What are the 3 states of matter?
Solids, liquids, and gas
Name the 4 types of changes in states of matter
Freezing, melting, evaporation, condensation
What’s the difference between a mixture and a solution?
Substances in a mixture can be REMOVED, while substances in a solution cannot be removed once it’s mixed.
List the 4 physical properties of matter
Mass, temperature, sink/float, magnetism
Name 2 solids in the classroom and 1 liquid
……
What will happen to ice cubes when you put them in a sunny place?
The ice cubes will melt and turn into a liquid (S -> L)
Think back to our experiment when we discussed mixtures. What items did we put in our class “mixture”?
Marshmallows, pretzel sticks, and M&M’s.
What tool(s)do you use to measure mass?
Scale and a balance.
Describe the particles in a gas?
Spread out, far apart
What happens to water when you boil it on the stove?
the water evaporates and turns into steam (L - G)
Name 2 examples of a mixture and 2 examples of a solution.
……
Name the 2 temperature scales
Fahrenheit and Celsius
Which kind of matter has its own shape?
solid
How can you turn a liquid water into a solid? (Think about +/- heat)
Put it in the freezer (or YEET the heat)
What is a solvent?
The substance the solute dissolves in.
Attract (come together) or repel (move away) from each other
How are liquids and gases alike?
They can both take the shape of their container
Why does liquid appear on the outside of a cold glass cup?
Condensation! The gas in the air becomes a liquid because the heat is removed (from the cold in the cup)
What is a solute?
Solute is the substance that is dissolving in a solution. Think… sugar in a sweet iced tea.
What was the ONE item that floated at the sink/float station??
PING PONG BALL!