72
Lesson 72 of 84 · Light
ExperimentMaking It Better (Part 4)
What You'll Learn
Making observations means using your senses to gather information about something.
Key Words
- material
- design
- build
Materials Needed
- cardboard
- tape
- scissors
- straws
- paper clips
Safety First
- Do not mix unknown chemicals together.
- Tie back long hair before starting the experiment.
- Protect your work surface with newspaper or plastic.
Steps
Step 1 — Read
Read and learn: Making observations means using your senses to gather information about something.
Step 2 — Do
Measure using your ruler or measuring cup.
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?