Chemistry Sept. 22 & 23, 2015

•OBJECTIVE: Students will describe and explain the properties of the different states of matter and change of state.

•W.O.D. Renovate-to restore, return to the original state.

•WARM-UP

1. Define the following terms: homogeneous mixture, heterogeneous mixture, compound, element, physical property, & substance

HW

1.Name 3 states of matter

2.In what way are liquids and gases alike?

3.In what way are liquids and solids different?

4.Is the freezing of mercury a reversible or an irreversible physical change? Explain your answer.

5.Describe and explain what happens to the motion and arrangement of particles, when water (a) freezes (b) boils.