Students time how long it takes for a reaction (iodine-stop-clock reaction) to …
Students time how long it takes for a reaction (iodine-stop-clock reaction) to reach completion when changing variables such as concentration, temperature, and the presence of a catalyst.
Students build models using drawing embedded in the Google doc to support explanations of why the reaction sped up or slowed down in different circumstances.
In this interactive activity adapted from the University of Utah's ASPIRE Lab, …
In this interactive activity adapted from the University of Utah's ASPIRE Lab, investigate frequency in terms of trampoline jumps, pendulum swings, and electromagnetic waves.
In this video segment adapted from FETCH!, contestants are challenged to use …
In this video segment adapted from FETCH!, contestants are challenged to use materials from a garbage dump to build a boat that floats, can be steered, and is propelled by something other than oars.
Just after World War II, nuclear scientists turned their attention from fission …
Just after World War II, nuclear scientists turned their attention from fission to fusion. This video segment adapted from AMERICAN EXPERIENCE looks at the beginnings of thermonuclear power generation.
This video segment adapted from NOVA shows how Galileo, using his newly …
This video segment adapted from NOVA shows how Galileo, using his newly developed refracting telescope, observed four of Jupiter's moons, the first astronomical bodies to be discovered since ancient times.
Einstein called Galileo the "father of modern physics." This media-rich essay from …
Einstein called Galileo the "father of modern physics." This media-rich essay from the NOVA Web site looks at Galileo's quest to understand the mathematics of motion.
In the early 1600s, most people believed that the Sun revolved around …
In the early 1600s, most people believed that the Sun revolved around a stationary Earth. This video segment adapted from NOVA tells how Galileo proved that the Sun, not Earth, is at the center of our universe.
This video from NASA describes the GLAST satellite, which is equipped with …
This video from NASA describes the GLAST satellite, which is equipped with a gamma-ray telescope, and shares some background about the kinds of extreme universal phenomena indicated by the presence of gamma rays.
Pump gas molecules to a box and see what happens as you …
Pump gas molecules to a box and see what happens as you change the volume, add or remove heat, and more. Measure the temperature and pressure, and discover how the properties of the gas vary in relation to each other. Examine kinetic energy and speed histograms for light and heavy particles. Explore diffusion and determine how concentration, temperature, mass, and radius affect the rate of diffusion.
Pump gas molecules to a box and see what happens as you …
Pump gas molecules to a box and see what happens as you change the volume, add or remove heat, and more. Measure the temperature and pressure, and discover how the properties of the gas vary in relation to each other
In this activity, learners explore liquid crystals, light and temperature. Using a …
In this activity, learners explore liquid crystals, light and temperature. Using a postcard made of temperature-sensitive liquid crystal material, learners monitor temperature changes. By observing these changes, learners show that dark materials absorb and reemit the energy contained in light more readily than light-colored materials. Learners can also distinguish energy absorbed and reemited by radiation, convection, and conduction by comparing the behavior of black, white, and silver objects. This resource guide includes detailed explanation of the phenomenon and background information about liquid crystals.
In this video adapted from the Encyclopedia of Physics Demonstrations, learn how …
In this video adapted from the Encyclopedia of Physics Demonstrations, learn how a glass beaker vibrates at a specific frequency and how resonance can force it to shatter.
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