72
Lesson 72 of 84 · Light and Sound
ExperimentMaking It Better (Part 4)
What You'll Learn
Making observations means using your senses to gather information about something.
Key Words
- material
- design
Materials Needed
- cups
- aluminum foil
- ruler
- markers
- popsicle sticks
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
Look at the new words. Can you say each one?
Step 2 — Do
Design a boat from foil that can hold the most pennies without sinking.
Step 3 — Observe
Use your senses to describe what you notice.
Step 4 — Record
Write 1-2 sentences about what happened.
Check Your Understanding
Question 1
1 of 3What is the first step when solving a problem?