Unit 3 Matter

Anything that has mass and takes up space 

• Volume
• Matter 
• Temperature
• Relative Density 

The measure of the average energy of motion of particles of matter, which feel as how hot of cold something is 

• Volume 
• Matter
• Liquid 
• Temperature 

When a material dissolves, it

• separates with a material it is mixed with.

• changes the state of matter it is in.

• mixes completely with another material.

• expands into a larger piece of material.

A substance containing two or more materials with different properties.

• mixture

• solution

• solute

• solvent

Which of the following is true about all matter?

• All mater has weight.

• All matter can be seen.

• All matter has a fixed volume.

Carly’s dad mixes a spoonful of sugar into a cup of hot coffee. What can Carly predict will happen to the sugar?

• The solid sugar particles will mix with the liquid coffee particles until it dissolves. The solution will resemble coffee.

• The liquid sugar particles will mix with the liquid coffee particles until they dissolve. The solution will resemble sugar.

• Solid sugar particles will mix with the gaseous coffee particles until they dissolve. The solution will resemble coffee.

• Solid sugar particles will mix with the liquid coffee particles until they dissolve. The solution will resemble sugar.

Ms. Reynolds’ class is trying to model with their bodies how water particles move in a bowl of liquid water. How should the students move to BEST model this motion?

• stay close together and move about slowly

• walk past each other slowly while some students stand in place

• run around and remain as far apart from each other as possible

• sit down on the ground, holding hands tightly, and try not to move

Alejandro wants to harvest sea salt from the sea water his sister and brother collected in a bucket. Which method should he ask his parents for help with in order to complete this task?

• pouring the sea water through a strainer to remove the salt grains

• putting the sea water in metal pan in an oven until the water evaporates

• placing the sea water under a microscope and removing the salt with pliers

• swirling the sea water and scooping out the salt on the bottom of the container

The name describing when the particles in a substance move faster and turn into a gas.

• freezing

• evaporation

• melting

• condensation

A characteristic of matter that can be observed or measured.

• mixture

• particles

• property

• substance