Pour rain on soil slopes with and without plants or mulch and measure how much soil washes away.
Test how a slope and ground cover change how much soil washes away in a model rainstorm.
Design a filter from sand, gravel and cotton and test how well it cleans muddy water.
60 to 90 min · 9 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 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 projectUse a scale to place the planets along a strip of paper and discover how empty space really is.
40 to 70 min · 5 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