How it works
Nobody gets it right the first time, and that is fine.
Try it, see what happened, fix one thing, and try again.
Change one thing at a time, so you can tell what helped.
Worked examples
The first try
- Mia winds the spring one time and lets go.
- The plane drops near Bo's feet.
- She looks closely and sees that the spring is too loose.
- One try is only the start.
Fix one thing
- Mia changes only the winds, to three.
- The plane flies farther but lands in a bush.
- Better, not perfect yet.
One more fix
- Mia changes one more thing, to five winds.
- The plane zooms over the fence!
- Changing one thing each time showed which change helped.
Too many changes
- If Mia changed ten things at once, she could not tell which one helped.
- So she changes one thing, tries again, and looks.
A taste of the worksheets
These are some of the questions on the sets. The printable sheets have more and an answer key.
- Why did Mia change only the winds? š“ Bo was tired / š§ To make it harder / š To tell what helped