16
Lesson 16 of 84 · Matter
ExperimentProperties of Materials
What You'll Learn
A compound's properties differ from its elements. Sodium is a reactive metal and chlorine is a toxic gas, but together they form sodium chloride—common table salt.
Key Words
- boiling
- density
Materials Needed
- vinegar
- baking soda
- cups
- spoons
- food coloring
- plastic bottles
Safety First
- Dispose of materials properly after the experiment.
- Handle glass items carefully to avoid breakage.
- Do not mix unknown chemicals together.
Steps
Step 1 — Read
Read about Matter and write down three key facts.
Step 2 — Do
Conduct a chromatography experiment: use a coffee filter and markers to separate the pigments in different colored inks.
Step 3 — Observe
Watch carefully for any changes and note the time.
Step 4 — Record
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What is a solution?
