Play with objects on a teeter totter to learn about balance. Test what you've learned by trying the Balance Challenge game. Learning Goals Predict how objects of various masses can be used to make a plank balance. Predict how changing the positions of the masses on the plank will affect the motion of the plank. Write rules to predict which way a plank will tilt when objects are...
Explore pressure in the atmosphere and underwater. Reshape a pipe to see how it changes fluid flow speed. Experiment with a leaky water tower to see how the height and water level determine the water trajectory. Learning Goals Investigate how pressure changes in air and water. Discover how you can change pressure. Predict pressure in a variety of situations. Determine how fluid...
Explore the world of lines. Investigate the relationships between linear equations, slope, and graphs of lines. Challenge yourself in the line game! Software Requirements Windows: Microsoft Windows XP/Vista/7, Sun Java 1.5.0_15 or later. Macintosh: OS 10.5 or later, Sun Java 1.5.0_19 or later. Linux: Sun Java 1.5.0_15 or later. Learning Goals Explain how the slope of a graphed...
Version: 1.00 Authors: A. Norberg, Tim Perry, Casey Vogel, Paola Cárdenas. Updated: 25-02-2014 Explore how heating and cooling iron, brick, and water adds or removes energy. See how energy is transferred between objects. Build your own system, with energy sources, changers, and users. Track and visualize how energy flows and changes through your system. Learning Goals Predict...
Authors: UTeach Middle School, PhET Team. Level: MS. Type: Lab. Date: 22-06-2012. Why does a balloon stick to your sweater? Rub a balloon on a sweater, then let go of the balloon and it flies over and sticks to the sweater. View the charges in the sweater, balloons, and the wall. The teacher's guide (PDF) contains tips created by the PhET team
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