How do strong and weak acids differ? Use lab tools on your …
How do strong and weak acids differ? Use lab tools on your computer to find out! Dip the paper or the probe into solution to measure the pH, or put in the electrodes to measure the conductivity. Then see how concentration and strength affect pH. Can a weak acid solution have the same pH as a strong acid solution?
How do strong and weak acids differ? Use lab tools on your …
How do strong and weak acids differ? Use lab tools on your computer to find out! Dip the paper or the probe into solution to measure the pH, or put in the electrodes to measure the conductivity. Then see how concentration and strength affect pH. Can a weak acid solution have the same pH as a strong acid solution?
The PhET project at the University of Colorado creates "fun, interactive, research-based …
The PhET project at the University of Colorado creates "fun, interactive, research-based simulations of physical phenomena." This particular one deals with Beer's Law. "The thicker the glass, the darker the brew, the less the light that passes through." Make colorful concentrated and dilute solutions and explore how much light they absorb and transmit using a virtual spectrophotometer! The simulation is also paired with a teachers' guide and related resources from PhET. The simulation is also available in multiple languages.
The PhET project at the University of Colorado creates "fun, interactive, research-based …
The PhET project at the University of Colorado creates "fun, interactive, research-based simulations of physical phenomena." This particular one deals with Beer's Law. "The thicker the glass, the darker the brew, the less the light that passes through." Make colorful concentrated and dilute solutions and explore how much light they absorb and transmit using a virtual spectrophotometer! The simulation is also paired with a teachers' guide and related resources from PhET. The simulation is also available in multiple languages.
When will objects float and when will they sink? Learn how buoyancy …
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.
Explore how a capacitor works! Change the size of the plates and …
Explore how a capacitor works! Change the size of the plates and add a dielectric to see how it affects capacitance. Change the voltage and see charges built up on the plates. Shows the electric field in the capacitor. Measure voltage and electric field.
Watch your solution change color as you mix chemicals with water. Then …
Watch your solution change color as you mix chemicals with water. Then check molarity with the concentration meter. What are all the ways you can change the concentration of your solution? Switch solutes to compare different chemicals and find out how concentrated you can go before you hit saturation!
Explore tunneling splitting in double well potentials. This classic problem describes many …
Explore tunneling splitting in double well potentials. This classic problem describes many physical systems, including covalent bonds, Josephson junctions, and two-state systems such as spin 1/2 particles and ammonia molecules.
Play with a bar magnet and coils to learn about Faraday's law. …
Play with a bar magnet and coils to learn about Faraday's law. Move a bar magnet near one or two coils to make a light bulb glow. View the magnetic field lines. A meter shows the direction and magnitude of the current. View the magnetic field lines or use a meter to show the direction and magnitude of the current. You can also play with electromagnets, generators and transformers!
Learn how to make waves of all different shapes by adding up …
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 changes the waves. Compare different mathematical expressions for your waves.
Move the sun, earth, moon and space station to see how it …
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 what would happen without it!
Une série de simulations provenant de l’Université de Colorado à Boulder pour …
Une série de simulations provenant de l’Université de Colorado à Boulder pour les 9e – 12e au sujet des sciences.
« Déplacez le soleil, la Terre, la lune et la station spatiale pour observer comment cela affecte leurs forces gravitationnelles et leurs trajectoires orbitales. Visualisez les tailles et les distances entre différents corps célestes, et désactivez la gravité pour voir ce qui se passerait sans elle ! »
Une série de simulations provenant de l’Université de Colorado à Boulder pour …
Une série de simulations provenant de l’Université de Colorado à Boulder pour les 9e – 12e au sujet des sciences. Cette simulation démontre le processus du Laboratoire Loi de Beer-Lambert.
Le projet PhET à l'Université du Colorado crée des "simulations amusantes, interactives et basées sur la recherche des phénomènes physiques". Celle-ci en particulier aborde la loi de Beer. "Plus le verre est épais, plus la bière est foncée, moins la lumière passe à travers." Créez des solutions colorées concentrées et diluées et explorez la quantité de lumière qu'elles absorbent et transmettent à l'aide d'un spectrophotomètre virtuel ! La simulation est également accompagnée d'un guide pour les enseignants et de ressources connexes de PhET.
Ever wonder how a compass worked to point you to the Arctic? …
Ever wonder how a compass worked to point you to the Arctic? Explore the interactions between a compass and bar magnet, and then add the earth and find the surprising answer! Vary the magnet's strength, and see how things change both inside and outside. Use the field meter to measure how the magnetic field changes.
Explore the interactions between a compass and bar magnet. Discover how you …
Explore the interactions between a compass and bar magnet. Discover how you can use a battery and wire to make a magnet! Can you make it a stronger magnet? Can you make the magnetic field reverse?
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