120 hands-on experiments, engineering builds, and Olympiad-inspired challenges for Grades 1 to 12.
10 projects for Grade 4
Build a small car pushed by escaping air, then test and redesign it to go farther.
45 to 60 min · 8 materialsView projectLight a small bulb with a battery and wires, then build a switch from paper clips.
40 to 60 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 projectSolve and invent puzzles that use clues and a grid to work out who owns what.
35 to 55 min · 4 materialsView projectPlace the numbers 1 to 9 in a grid so every row, column and diagonal adds to the same total.
30 to 50 min · 3 materialsView projectBuild a bridge from penne pasta and glue, then test how much weight it can hold compared with its own mass.
1 to 2 hr · 7 materialsView projectDesign a cushioned package that keeps a raw egg safe when it is dropped from a height.
50 to 80 min · 6 materialsView projectRub a balloon on different materials and test which one gives the strongest static charge.
30 to 45 min · 6 materialsView projectAct out handshakes with friends and discover the pattern behind counting pairs.
30 to 45 min · 4 materialsView projectSeal water in a bag on a sunny window and watch evaporation, condensation and rain happen.
20 to 30 min · 6 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.