120 hands-on experiments, engineering builds, and Olympiad-inspired challenges for Grades 1 to 12.
10 projects for Grade 7
Build a hovercraft from a CD and a balloon, then test how load and air supply change how far it glides.
40 to 70 min · 7 materialsView projectUse five cards to count, convert and send secret messages in binary, the language computers use.
45 to 70 min · 4 materialsView projectBuild a lightweight structure that sticks out from a wall like a diving board and holds a hanging load.
1.5 to 2.5 hr · 8 materialsView projectBuild a working circuit, then use it as a tester to sort materials into conductors and insulators.
45 to 60 min · 6 materialsView projectSeparate the colors in black pens with paper chromatography to find which pen wrote a mystery note.
40 to 60 min · 6 materialsView projectLayer honey, dish soap, water and oil in a glass and measure the density of each liquid to explain the order.
40 to 60 min · 8 materialsView projectSoak potato pieces in salt solutions of different strengths and use their mass change to find the concentration that matches the potato cells.
1 to 2 hr · 7 materialsView projectBuild a vehicle powered by a falling mass and tune it to stop exactly at a target line.
1.5 to 2.5 hr · 8 materialsView projectDiscover a simple idea that guarantees surprising facts, such as two people in a class sharing a birthday month.
40 to 60 min · 3 materialsView projectBuild a model wind turbine and test how blade shape and number change how much weight it can lift.
1 to 1.7 hr · 9 materialsView projectEduVistaHQ.com · Learn • Explore • Grow. Olympiad-inspired activities are practice for the skills those competitions use. EduVistaHQ is not affiliated with Science Olympiad or any other competition organization.