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Lesson 56 of 84 ยท Light and Sound
ExperimentSorting and Classifying (Part 3)
What You'll Learn
Classifying means sorting things into groups based on their features.
Key Words
- plan
- problem
Materials Needed
- plastic wrap
- cardboard
- tape
- scissors
- straws
- paper clips
Safety First
- Keep small objects away from young children.
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
- Dispose of materials properly after the experiment.
Steps
Step 1 โ Read
Read about Light and Sound with a partner or grown-up.
Step 2 โ Do
Build the strongest bridge you can using only paper and tape. Test it by placing coins on top.
Step 3 โ Observe
Watch carefully. What happens?
Step 4 โ Record
Draw and write about what you learned.
Check Your Understanding
Question 1
1 of 3What does 'observe' mean?
