DISSOLVING
AND CHANGING STATE
A/ Key
Concepts B/ The Experiments
1.
Dissolving
2
Soluble vs. Insoluble
3. A
solution.
4.
Filter, filter papers, sieve, beaker (for insoluble)
5.
Getting insoluble materials back. Getting materials back from a solution
6.
Reversible vs Irreversible
7.
Evaporation
8.
Stirring to make dissolving quickly
9.
Chemical reaction
10: A
new material is formed
11.
Burning: Gas, energy, new materials…
12.
Changes with temperature: Melting, freezing, evaporation, sublimation,
condensation, solidification, burning.
13.
Time? Reversible or Irreversible
