5 Written Questions

1. a change in matter that does not involve a change in the identity of the substance
2. The science that investigates and explains the structure and properties of matter.
3. a combination fo the chemical symbols that show what elements make up a compound and the number of atoms of each element
4. Physical combinations of two or more substances. Most matter occurs as this.
5. the amount of matter contained in a unit of volume

5 Matching Questions

1. elements
2. Mass
3. 3 states of matter
4. high density
5. Mixture

1. a the measure of the amount of matter that an object contains
2. b anything higher than 1 g/mL
3. c a combination of two or more substances in which the basic identity of each substance is not changed
4. d the simplest form of matter
5. e solid, liquid, or gas

5 Multiple Choice Questions

1. the characteristics and behavior of matter
   1. elements
   2. solute
   3. exothermic
   4. Properties
2. an observation made with a measurement
   1. Qualitative
   2. volatile
   3. Quantitative
   4. Substance
3. the substance that dissolves the solute
   1. Solution
   2. solvent
   3. elements
   4. solute
4. anything lower than 1 g/mL
   1. density
   2. high density
   3. solvent
   4. low density
5. a chemical combination of two or more different elements joined together in a fixed proportion
   1. solute
   2. compound
   3. Composition
   4. solvent

5 True/False Questions

1. solute → the substance being dissolved

   True        False

2. law of conservation of mass → solid, liquid, or gas

   True        False

3. alloy → a solid solution that contains different metals and sometimes nonmetallic substances

   True        False

4. exothermic → chemical reactions that give off heat energy

   True        False

5. physical properties → characteristics of a sample of matter that can be observed or measured without any change to its identity

   True        False