43

Lesson 43 of 84 ยท Waves

Experiment

Designing Solutions to Problems (Part 2)

What You'll Learn

The scientific method is a systematic approach to investigating questions. It involves making observations, forming hypotheses, conducting experiments, analyzing data, and drawing conclusions.

Key Words

  • reflection
  • refraction

Materials Needed

  • cardboard
  • tape
  • scissors
  • straws
  • paper clips
  • rubber bands

Safety First

  • Be careful with scissors โ€” ask an adult for help if needed.
  • Do not look directly at the sun or bright lights.
  • Clean up spills immediately to prevent slipping.

Steps

Step 1 โ€” Read

Read and learn: The scientific method is a systematic approach to investigating questions. It involves making observations, forming hypotheses, conducting experiments, analyzing data, and drawing conclusions.

Step 2 โ€” Do

Create a labeled diagram of what you built or observed.

Step 3 โ€” Observe

Note any unexpected results.

Step 4 โ€” Record

Share your findings with the class or a partner.

Check Your Understanding

Question 1

1 of 3

What is a scientific model?

Designing Solutions to Problems (Part 2) โ€” Waves | 7th Grade Science | LittleActivity | LittleActivity