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Lesson 4 of 84 · Light and Sound
LessonMeasuring with Rulers and Scales
What You'll Learn
Tools like rulers, magnifying glasses, and thermometers help scientists measure and observe.
Key Words
- test
- measure
- compare
Steps
Step 1 — Read
Look at the picture and read the labels.
Step 2 — Do
Make a parachute from a plastic bag and string. Drop it from a height and time how long it takes to land.
Step 3 — Observe
Draw a picture of what you observe.
Step 4 — Record
Share your results with a partner.
Check Your Understanding
Question 1
1 of 3What tool do you use to measure how heavy something is?