55
Lesson 55 of 84 · Properties of Matter
ExperimentCrystals: How They Form (Part 2)
What You'll Learn
Crystallization occurs when a solution becomes supersaturated and dissolved particles form an orderly solid structure. Snowflakes, salt crystals, and rock candy form this way.
Key Words
- mass
- volume
Materials Needed
- ice cubes
- salt
- sugar
- vinegar
Safety First
- Be careful with scissors — ask an adult for help if needed.
- Do not look directly at the sun or bright lights.
- Clean up spills immediately to prevent slipping.
Steps
Step 1 — Read
Read and learn: Crystallization occurs when a solution becomes supersaturated and dissolved particles form an orderly solid structure. Snowflakes, salt crystals, and rock candy form this way.
Step 2 — Do
Conduct the experiment by following the instructions.
Step 3 — Observe
Compare the before and after states.
Step 4 — Record
Write your conclusion: did the results match your hypothesis?
Check Your Understanding
Question 1
1 of 3What is the chemical formula for water?