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Lesson 43 of 84 · Engineering and Design
ExperimentHow to Do an Experiment (Part 3)
What You'll Learn
Recording your observations means writing down or drawing what you notice during an experiment.
Key Words
- question
- test
Materials Needed
- cardboard
- tape
- scissors
- straws
- paper clips
- rubber bands
Safety First
- Be careful with scissors — ask an adult for help if needed.
Steps
Step 1 — Read
Read the introduction. What is this lesson about?
Step 2 — Do
Build a tower from spaghetti and marshmallows. Measure how tall you can make it.
Step 3 — Observe
Look for something that changed. What is it?
Step 4 — Record
Circle the correct answer on your worksheet.
Check Your Understanding
Question 1
1 of 3Why do we record what happens in experiments?