PheT Interactives
"Overview: Simulate the original experiment that proved that electrons can behave as waves. Watch electrons diffract off a crystal of atoms, interfering with themselves to create peaks and troughs of probability. Subject: Physics Level: High School Material T...
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Featured STEM Providers
Membrane Channels
"Overview: Insert channels in a membrane and see what happens. See how different types of channels allow particles to move through the membrane. Subject: Biology Level: High School Material Type: Simulation Author: John...
Reversible Reactions
"Overview: Watch a reaction proceed over time. How does total energy affect a reaction rate? Vary temperature, barrier height, and potential energies. Record concentrations and time in order to extract rate coefficients....
Quantum Tunneling and Wave Packets
"Overview: Watch quantum ""particles"" tunnel through barriers. Explore the properties of the wave functions that describe these particles. Subject: Physics Level: High School Material Type: Simulation Author: Carl Wiem...
Neon Lights & Other Discharge Lamps
"Overview: Produce light by bombarding atoms with electrons. See how the characteristic spectra of different elements are produced, and configure your own element's energy states to produce light of different colors. Su...
Torque
"Overview: Investigate how torque causes an object to rotate. Discover the relationships between angular acceleration, moment of inertia, angular momentum and torque. Subject: Physics Level: High School Material Type: S...
Gravity and Orbits
"Overview: Move the sun, earth, moon and space station to see how it affects their gravitational forces and orbital paths. Visualize the sizes and distances between different heavenly bodies, and turn off gravity to see...
Molecule Shapes
"Overview: Explore molecule shapes by building molecules in 3D! How does molecule shape change with different numbers of bonds and electron pairs? Find out by adding single, double or triple bonds and lone pairs to the c...
Beta Decay
"Overview: Watch beta decay occur for a collection of nuclei or for an individual nucleus. Subject: Physical Science Level: High School Material Type: Simulation Author: Carl Wieman, John Blanco, Kathy Perkins, Noah Pod...
Fractions: Intro (AR)
"Overview: Explore fractions while you help yourself to 1/3 of a chocolate cake and wash it down with 1/2 a glass of orange juice! Create your own fractions using fun interactive objects. Match shapes and numbers to earn...
Buoyancy (AR)
"Overview: When will objects float and when will they sink? Learn how buoyancy works with blocks. Arrows show the applied forces, and you can modify the properties of the blocks and the fluid. Subject: Physics Level: Mi...
Circuit Construction Kit (AC+DC)
"Overview: This new version of the CCK adds capacitors, inductors and AC voltage sources to your toolbox! Now you can graph the current and voltage as a function of time. Subject: Electronic Technology Level: High Schoo...
Sugar and Salt Solutions
"Overview: What happens when sugar and salt are added to water? Pour in sugar, shake in salt, and evaporate water to see the effects on concentration and conductivity. Zoom in to see how different sugar and salt compound...
Atomic Interactions (AR)
"Overview: Explore the interactions between various combinations of two atoms. Turn on the force arrows to see either the total force acting on the atoms or the individual attractive and repulsive forces. Try the ""Adjus...
The Ramp (AR)
"Overview: Explore forces, energy and work as you push household objects up and down a ramp. Lower and raise the ramp to see how the angle of inclination affects the parallel forces acting on the file cabinet. Graphs sho...
Molecular Motors (AR)
"Overview: Discover what controls how fast tiny molecular motors in our body pull through a single strand of DNA. How hard can the motor pull in a tug of war with the optical tweezers? Discover what helps it pull harder....
Fourier: Making Waves (AR)
"Overview: Learn how to make waves of all different shapes by adding up sines or cosines. Make waves in space and time and measure their wavelengths and periods. See how changing the amplitudes of different harmonics cha...
Masses & Springs (AR)
"Overview: A realistic mass and spring laboratory. Hang masses from springs and adjust the spring stiffness and damping. You can even slow time. Transport the lab to different planets. A chart shows the kinetic, potentia...
Pendulum Investigation for Middle School
"Overview: Middle school lab activity promoting physics and math learning. Subject: Physics Level: High School Material Type: Simulation Author: Jefferson County Middle School Workshop Provider: University of Colorado B...
Radioactive Dating Game
"Overview: Learn about different types of radiometric dating, such as carbon dating. Understand how decay and half life work to enable radiometric dating to work. Play a game that tests your ability to match the percenta...
Battery Voltage
"Overview: Look inside a battery to see how it works. Select the battery voltage and little stick figures move charges from one end of the battery to the other. A voltmeter tells you the resulting battery voltage. Subje...