Demonstrate procedures to measure and mix chemicals.

Demonstration should include

• selecting PPE
• identifying the various volumes of measuring cups
• mixing chemicals by adding them to water
• mixing chemicals according to the manufacturer's instructions or other specified ratios.

Process/Skill Questions:

• Why must chemicals be measured?
• Where would instructions be found for mixing a given chemical to the manufacturer's specifications?
• What consequences may result from not mixing chemicals to the manufacturer's specifications?
• What does the ratio 1:64 mean?
• Why is it important to be able to convert measurements from one unit of volume to another (e.g., cups to quarts)?