Museum of Science
Museum of Science and Industry: Online Science: Design a Submarine
Become an engineer, and design a submarine that moves in the water like a real submarine. Try making it sink, float, and hover in the water.
Other
Lapeer County Schools Science Resources: Density Lab
A simple lab experiment for students to find the density of two solids and a liquid (does not use water displacement). Note that number 1d should not state "weighs" since mass is being found.
Other
Bigelow Laboratory for Ocean Sciences: Salinity and Deep Ocean Currents
For this activity, students will investigate how temperature and currents affect the salinity of ocean water, making predictions after studying ocean maps. It is recommended that teachers do the experiment themselves before presenting it...
Sophia Learning
Sophia: Physics: Bill Nye: Eggs Speriment
Created to teach students of the 21st century, SOPHIA is bringing science straight to your fingertips. Become the commander of your own learning experiences as you take part in this density experiment.
Science Education Resource Center at Carleton College
Serc: Mn Step: The Great Egg Drop: Relationship Between Gravity, Mass and Density
An interesting experiment in the relationship between gravity, density, and mass. Middle schoolers must devise a way to drop a milk carton containing two raw eggs off a roof 50 feet high, without breaking the eggs. They then write a...
Other
Science Alive: Repeating Experiments
In this lab activity, students are required to write a procedure to be followed in a simple lab process and record the results they get from following that procedure. They then exchange procedures with another lab group, which will have...
SEDL
Oceans [Pdf]
This large PDF file integrates math, science, and language into several lessons about characteristics of the oceans. Topics include ocean currents, tides, density, marine life, and pollution.
Khan Academy
Khan Academy: The Quantum Mechanical Model of the Atom
An explanation using quantum mechanics to describe the atom.