Time how long sugar takes to dissolve in cold, warm and hot water, then explain what you see.
Test how water temperature changes the speed at which sugar dissolves and explain the pattern with particles.
Make a battery from lemons, a nail and a coin and measure its voltage as you add more lemons.
40 to 65 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 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 projectPour rain on soil slopes with and without plants or mulch and measure how much soil washes away.
45 to 70 min · 8 materialsView projectMake a spinning paper helicopter and test how blade length changes how long it takes to fall.
35 to 55 min · 6 materialsView projectEduVistaHQ.com · Learn • Explore • Grow