Design a filter from sand, gravel and cotton and test how well it cleans muddy water.
Design, build and test a water filter, and compare designs using measurements of time and clarity.
Pour rain on soil slopes with and without plants or mulch and measure how much soil washes away.
45 to 70 min · 8 materialsView projectBuild parachutes of different sizes and find out how canopy size changes how long a toy takes to fall.
40 to 60 min · 6 materialsView projectBuild 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 projectTime how long sugar takes to dissolve in cold, warm and hot water, then explain what you see.
30 to 45 min · 6 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 projectEduVistaHQ.com · Learn • Explore • Grow