Answer key · Set A
Try it, and try again
1Near Bo's feet The spring was too loose, so the plane dropped close to Bo's feet.
2Five winds Five winds sent the plane over the fence. Three winds landed it in a bush.
3Changed one more thing Mia changed just one more thing, the winds, and tried again.
4Yes Yes. Nobody gets it perfect the first time, and that is fine.
5No No. She changed only one thing, just the winds.
6True Yes. If you change one thing, you can tell which change helped.
73, 1, 2 Each try went farther, because Mia fixed one thing each time.
8To tell what helped Changing one thing lets you tell which change helped.
91-C, 2-D, 3-B, 4-A Make the steps, try them, see what happened, and fix one thing.
Mark each answer, count the right ones and write the score on the sheet.