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Total Internal Reflection
Source Institutions
In this activity, learners use a laser pointer, empty soda bottle, rubber plug and water to demonstrate total internal reflection.
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Eclipse: How can the little Moon hide the giant Sun?
Source Institutions
In this activity, learners explore how distance can affect the way we perceive the size of an object.
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Metal Heads
Source Institutions
Pairs of learners play the roles of programmer and robot. The programmer gives specific directions to the robot to accomplish a simple task (e.g. walk across the room and pick up a pencil).
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Computation and Estimation: Alphabits
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In this math lesson, learners apply the concepts of ratios and percentages to the distribution of letters contained in a box of Alphabits® cereal.
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Gas Producing Micro-Reaction
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In this chemistry activity, learners use common chemicals and metals to examine reactions that produce gaseous substances.
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Balancing Act
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In this physics activity (page 6 of the PDF), learners will build a class 1 lever and hypothesize and test the distances two objects need to be placed from the fulcrum in order to balance.
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Save Your Ears
Source Institutions
This game depicts a woman going through her day, faced with various loud sounds.
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Airfoils
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In this experiment, learners discover how an airfoil creates lift. Learners use simple materials to build an airfoil and test it at different angles to investigate Bernoulli's principle.
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Squidgy Slime
Source Institutions
In this chemistry activity, learners transform two ingredients (4% polyvinyl alcohol solution and 4% borax solution) into gooey slime.
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Weather Vane and Anemometer
Source Institutions
In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.
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Spring Scale Engineering
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In this activity, learners explore how spring scales work and how they are used for non-exact weight measurement.
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What is a "Model"?
Source Institutions
In this activity, learners simulate the behavior of the atmosphere.
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Water Tower Challenge
Source Institutions
In this activity, learners explore how engineers work to solve the challenges of a society, such as delivering safe drinking water.
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Cuica (Laughing Cup): Make a Musical Instrument
Source Institutions
In this activity, you'll use a paper cup, a piece of cloth, and some string to make a musical instrument called a cuica (pronounced KWEE-kah).
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Where Do We Choose to Live and Why?
Source Institutions
In this geography investigation, learners use a nighttime satellite image to observe areas of light across the United States and to identify patterns and spatial distributions of human settlements.
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Ant Super Strength
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In this activity, learners compare their own strength to ants through a series of physical tests.
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Life Vest Challenge
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In this activity, learners explore the engineering behind life vests or personal flotation devices and the challenges met by these devices.
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Rubber Band Boat
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In this activity, learners build styrofoam boats powered by twisted rubber bands.
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Puff Car
Source Institutions
In this activity, learners are challenged to design a wind-powered car using only a handful of household materials.
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Milk Plastic
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In this activity, learners transform everyday milk into small plastic figurines and jewelry. Use this activity to introduce learners to monomers and polymers.