Make a guitar from a box and rubber bands and discover how to make higher and lower sounds.
Build a rubber band instrument and find out how band thickness and tightness change the pitch.
Send a balloon zooming along a string and discover how air pushes it forward.
25 to 40 min · 7 materialsView projectFold a flat sheet of paper into a bridge and test how many pennies it can hold.
30 to 45 min · 6 materialsView projectLift a load with a fixed pulley and a moving pulley and measure how much easier each one makes the job.
40 to 60 min · 6 materialsView projectRoll a toy car down a ramp onto different floors and find out which surface slows it the most.
30 to 45 min · 6 materialsView projectBuild a small car pushed by escaping air, then test and redesign it to go farther.
45 to 60 min · 8 materialsView projectBuild a craft stick catapult and find out how pull back and angle change how far it launches.
45 to 70 min · 7 materialsView projectEduVistaHQ.com · Learn • Explore • Grow