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The Blind Spot
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In this activity (1st on the page), learners find their blind spot--the area on the retina without receptors that respond to light.
Hexagon Hunt
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This activity gets learners looking at 6-sided shapes in nature, including the cells of a beehive, as well as other shapes.
NEWspaper: Make Your Own Paper
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Learners make their own paper using old newspaper. Learners can make their paper colorful by adding construction paper.
Vanishing Rods
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This is a quick activity/demonstration that introduces learners to the concept of index of refraction. Learners place stirring rods in a jar of water and notice they can see them clearly.
Catapult
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Build a catapult that transforms the potential energy of a twisted rubber band into kinetic energy. Experiment with design variations so that you can hit a target with a projectile.
Make Ziff's Carpenter's Square
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In this Cyberchase activity, learners make carpenter's squares and use them to measure square corners. Learners cut out the carpenter's square template and attach it to tagboard.
All Wound Up
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In this activity, learners build a racecar using only a rubber band, spool, straw, and paper clip! This racer is a classic toy that zips across a flat surface.
It's Natural
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This activity introduces learners to Native Americans as people who depended upon nature in the past and continue to emphasize the importance of nature in the present.
Make a Light Fountain
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In this optics activity, learners make a "light fountain" from a clear plastic bottle, flashlight, and other simple materials.
Where Does Life Live?
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In this activity (on pages 22-24 of the PDF), learners match extreme enviroments with life forms they support.
Exploring the Universe: Filtered Light
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"Exploring the Universe: Filtered Light" demonstrates how scientists can use telescopes and other tools to capture and filter different energies of light to study the universe.
Lose a Glass in a Glass
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In this optics activity, learners use paint thinner to make a small jar seem to disappear inside a larger jar.
Float My Boat
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In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?
Bianca's Body Math
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In this Cyberchase activity, learners use math to explore how parts of the body are proportional.
Salt, Soil and Seeds
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Discover how the salt in soil affects plant growth with a few seeds, some cotton, and salt. In this hands-on activity, you will plant seeds in 2 different kinds of soil, containing more or less salt.
Pedal Power
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In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.
CyberOlympic Card Game
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In this Cyberchase activity, learners use numbers to create CyberOlympic teams with the fastest times.
Calendarios para cualquier año
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Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.
Paint by the Numbers
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In this pencil and paper activity, learners work in pairs and simulate how astronomical spacecraft and computers create images of objects in space.
Build a Lever
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Learners build a lever and use it to lift a load. With the load on one end of the ruler, learners add coins to the effort cup at the other end until the load is lifted.