American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Celestial Globe Model
Users have the opportunity to adjust several variables in this simulation demonstrating the Ancient Greek's Two Sphere Universe theory.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Simultaneity Spacetime Diagram
Manipulate variables in order to observe the effects of relative motion on events such as an explosion and the time at which its light signal reaches a destination.
CK-12 Foundation
Ck 12: Physical Science: Scientific Experiments
[Free Registration/Login may be required to access all resource tools.] Experiments, experimental variables and experimental controls.
Physics Classroom
The Physics Classroom: Momentum and Collisions: Egg Drop Interactive
This egg-drop simulation allows students to explore the variables that result in a safe landing or a broken egg. The emphasis of the accompanying activity sheet is on the use of science reasoning skills to understand the physics behind...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Twin Paradox Program
This model permits manipulation of variables in order to observe the effects of time dilation on twin objects, one moving and one not, as shown in a spacetime diagram.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Ejs Transverse Wave Model
A simulation for examining the transverse wave motion of a string. Wave variables can be changed using sliders. Includes suggested activities.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Ejs Reflection and Refraction Between Taut Strings Model
In this simulation, two strings with different densities are held tautly as a wave pulses along them. Variables can be changed to alter the relative densities of the strings, as well as the type of wave pulse.
Michigan Reach Out
Michigan Reach Out!: Drums (Sounds Like Science)
This site is provided for by Michigan Reach Out. Students experiment with the variables of force, pitch and volume after making a drum.
McREL International
Mc Rel: Glue Polymer (Whelmer #15 Learning Activity)
An easy to do activity that investigates the basic principles behind chemical bonding. The activity is written in lesson plan format that meets NSES standards.