2.1.1     Identify properties of matter as extensive or intensive.

2.1.2     Define physical property and list several common physical properties of substances.

2.1.3     Differentiate among three states of matter.

2.1.4     Describe a physical change.

2.2.1     Categorize a sample of matter as a substance or a mixture.

2.2.2     Distinguish between homogeneous and heterogeneous samples of matter.

2.2.3     Describe two ways that components of mixtures can be separated.

2.3.1     Explain the difference between an element and a compound.

2.3.2     Distinguish between a substance and a mixture.

2.3.3     Identify the chemical symbols of elements, and name elements, given their symbols.

2.4.1     Describe what happens during a chemical change.

2.4.2     Identify four possible clues that a chemical change has taken place.

2.4.3     Apply the law of conservation of mass to chemical reactions