25
Lesson 25 of 84 · Matter and Atoms
ExperimentMatter and Its Properties
What You'll Learn
Phase diagrams show how temperature and pressure affect the state of matter. Water's triple point is where solid, liquid, and gas phases all exist simultaneously.
Key Words
- reactant
- product
- conservation of mass
Materials Needed
- plastic bottles
- balloons
- measuring cups
- paper towels
- thermometer
Safety First
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
- Be careful with scissors — ask an adult for help if needed.
Steps
Step 1 — Read
Study the diagram and label the parts you recognize.
Step 2 — Do
Test how temperature affects dissolving: dissolve sugar in cold, warm, and hot water. Count stirs needed for each and create a data table.
Step 3 — Observe
Look for patterns in your observations.
Step 4 — Record
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3Which state of matter fills its entire container?