Science Benchmark Test Corrections

How would you classify potassium iodide? Is it an element, compound, or mixture.

What composes an element?

How can you tell if a substance is more or less dense than water?

Give an example of a chemical property?

Give an example of a physical change.

Find a chemical equation that represents the Law of Conservation of Mass.

List some naturally occurring elements.

Give examples of evidence of a chemical change.

What is the difference between a homogeneous and heterogeneous mixture?