PUBLIC MARKS with tags hs:science & gr8

In the 19th century Dmitri Mendeleev organized the known elements by their characteristics and atomic weights. His creation evolved into what we now call the periodic table. We use it regularly, but what would it be like to construct that model from scratch? What if you had to group elements by their characteristics and place them on a table close to the other elements in their group, while at the same time logically arranging the atomic weights? What decisions would you make? What would it be like... to be Mendeleev?

This is an awesome resource for students learning about speed and distance time-graphs. Uses graphs synched with video of soccer/football players during a game.

Collection of Physics, Astronomy, and Environmental Science. Appropritate for high school, college, and gr8 Physical Science units.

Many interactive physics applets that demonstrate various concepts. Appropriate for HS and college. Some applets useful for grade 8 Physical Science units.

This is a simple but effective applet that allows students to measure free fall times and average velocities as a function of distance.

Animal Diversity Web (ADW) is an online database of animal natural history, distribution, classification, and conservation biology at the University of Michigan