TeachEngineering
Teach Engineering: Dams
Through eight lessons, students are introduced to many facets of dams, including their basic components, the common types (all designed to resist strong forces), their primary benefits (electricity generation, water supply, flood...
PBS
Pbs Teachers: Daredevil Ball Jump Experiment
Construct a device to measure the height of a bounced ball, then compare the bouncing heights of various types of balls. Record the results on a chart.
Science Education Resource Center at Carleton College
Serc: Mn Step: Slow the Ball
For this experiment, students will design a track for a rolling ball to try to have the longest roll time possible. They will, in the process, apply their understanding of kinetic and potential energy, and acceleration and deceleration.
Other
Science House: Ice Cream
Experiment shows students how to use the lowered freezing point of water to chill another mixture (ice cream) to the solid state. Teacher's notes provide background information.
Museum of Science
Museum of Science and Industry Chicago: Online Science: Drop Eggs Into Cups
Step-by-step illustrated instructions showing how to drop four eggs into four cups without touching them. Demonstrates the concept of inertia according to Newton's first law of motion.