5 Written Questions

1. one in which the form or appearance of matter changes, but not its composition
2. energy of electrically charged particles moving from one place to another
3. A single kind of matter that is pure and has a specific set of properties
4. Water is freezing is an example of
5. shows the elements in the compound and the ratio of atoms

5 Matching Questions

1. Exothermic Change
2. Weight
3. Electrode
4. Solution
5. Endothermic Change

1. a a homogeneous mixture of two or more substances
2. b a change in which energy is taken in
3. c A metal strip that conducts electricity
4. d A change in which energy is released
5. e A measure of the force of gravity on an object

5 Multiple Choice Questions

1. Two or more substances that are mixed together but not chemically combined
   1. Volume
   2. Matter
   3. Molecule
   4. Mixture
2. mass/volume, mass per unit volume
   1. Density
   2. Element
   3. Weight
   4. Energy
3. Metal rusting is an example of
   1. Chemical Bond
   2. Chemical Change
   3. Physical Change
   4. Chemical Energy
4. internal energy stored in the chemical bonds between atoms
   1. Chemical Change
   2. Thermal Energy
   3. Chemical Energy
   4. Electrical Energy
5. A force of attraction between two atoms
   1. Chemical Energy
   2. Chemical Change
   3. Chemical Bond
   4. Chemical Formula

5 True/False Questions

1. Mass → the amount of matter in an object

   True        False

2. Physical Property → A characteristic of a pure substance that can be observed without changing it into another substance

   True        False

3. Temperature → Two or more substances that are mixed together but not chemically combined

   True        False

4. International System of Units → the energy that an object has because of the position, shape, or condition of the object

   True        False

5. Solubility → a homogeneous mixture of two or more substances

   True        False