63
Lesson 63 of 84 · Matter and Atoms
ExperimentConductors and Insulators (Part 2)
What You'll Learn
Plasmas form when gases are heated to extremely high temperatures, stripping electrons from atoms. Stars, lightning, and neon signs all contain plasma.
Key Words
- conservation of mass
- solubility
Materials Needed
- thermometer
- strainer
- ice cubes
- salt
- sugar
Safety First
- Use materials only as directed in the experiment.
- Keep small objects away from young children.
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
Steps
Step 1 — Read
Read the introduction and identify the main idea of this lesson.
Step 2 — Do
Heat ice and record the temperature every minute as it melts and then boils. Graph the temperature changes and label each phase change.
Step 3 — Observe
Note any unexpected results and think about why they happened.
Step 4 — Record
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3What is the boiling point of water in Celsius?