Build parachutes of different sizes and find out how canopy size changes how long a toy takes to fall.
Test how the size of a parachute changes its fall time, and explain the result using air resistance.
Build a lightweight paper glider, change its wing or weight, and measure how far each version flies.
40 to 60 min · 6 materialsView projectMake a spinning paper helicopter and test how blade length changes how long it takes to fall.
35 to 55 min · 6 materialsView projectDesign a filter from sand, gravel and cotton and test how well it cleans muddy water.
60 to 90 min · 9 materialsView projectMake a battery from lemons, a nail and a coin and measure its voltage as you add more lemons.
40 to 65 min · 6 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 projectBuild a marble track with hills and a loop, and measure how height, friction and energy change the ride.
1 to 1.7 hr · 6 materialsView projectEduVistaHQ.com · Learn • Explore • Grow