Add to list
Details
Learners set up books with rubber bands stretched between the books. When two identical books are stretched apart and released, they move back toward each other an equal distance.
1 cent - $1 per group
Ages 11 - 14
30 to 45 minutes
Add to list
Details
Learners build simple catapults and use them to launch cotton balls.
$1 - $5 per group
Ages 11 - 18
45 to 60 minutes
Add to list
Details
Learners construct and launch paper helicopters.
1 cent - $1 per group
Ages 11 - 18
45 to 60 minutes
