Which of the below are a compound?
Which of the below is a mixture?
Which of the following is a heterogeneous mixture?
Which of the following are physical changes?
liquid water turning into ice
copper wire bending
Which of the following observations would indicate a chemical reaction has occurred?
gas is produced
mass has changed
If you wanted to separate sand from water, which method of separation would you use?
If you wanted to separate alcohol from water, two liquids, which method would you use?
Elements can be broken down into other forms of matter.
Compounds can be broken down into other substances.
Matter can be created and destroyed.