Lesson 5 of 9
Write it down
Show on a big screenYou measure the height of a bean sprout every day. A sprout is a tiny new plant. Choose which days to write down. Then find one day in your notebook.
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Step 1 of 4
- Four days of the same sprout. In the picture, Day 2 is skipped.
- Day 1 is written down: 5.0 cm.
- Days 3 and 4 are written. Day 2 stays empty.
- Day 2 is gone. It was never written.
Rule: Write each result down when you get it.
A written number stays the same. A remembered number can change without you knowing.
Try the lab to finish this lesson.