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Showing results 201 to 220 of 459
   
Glow Up
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  In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.
   
Corner Reflector
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  In this optics/mathematics activity, learners use two hinged mirrors to create a kaleidoscope that shows multiple images of an object.
   
Parasite Sleuth
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  In this activity (on pages 26-33), learners play parasitologists, solving several "mysteries" about people who got sick from various parasites. In teams of four, each member solves one mystery.
   
Stuck on You: Adhesion
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  Learners explore water adhesion and learn about why water molecules are more strongly attracted to some substances than others.
   
Whatta Web
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  In this activity, learners play a game to simulate the food chain.
   
All Mixed Up!
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  In this activity, learners separate a mixture of pebbles, salt crystals, and wood pieces. They add water and pour the mixture through a strainer.
   
Water Cycle in a Bag
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  In this activity, learners create a biosphere in a baggie.
   
Control the Flow
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  In this activity about electricity, learners build and test a paper clip switch to turn on a light bulb.
   
DNA Extraction from Cheek Cells
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  DNA is the thread of life. Encoded in its genetic sequence is the information that makes each of us unique.
   
Uplifting Force: Buoyancy & Density
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  In this investigation, learners explore the force known as buoyancy by placing various objects into water and observing how they behave (for example, which sink more quickly, which float, how much wat
   
Social Fireflies: Pico "Firefly" Communication
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  Make two firefly lanterns, then program them to blink to one another and change colors.
   
Muscle Fibers
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  In this activity about human anatomy (page 20 of PDF), learners investigate the structure of muscles by comparing yarn and cooked meat.
   
Do Plants Need Light?
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  In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.
   
Probability: Chances Are
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  In this math lesson, learners identify the likelihood of an event by using a walk-on probability scale.
   
Forwards and Backwards
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  In this activity, learners explore acids and bases by preparing six solutions that combine vinegar and ammonia, ranging from acid (all vinegar) to base (all ammonia).
   
Make A Spinning Top
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  In this activity, learners design and build a toy top out of simple, everyday materials and have the option to use the toy as an artistic tool.
   
Moving On Up: Capillary Action II
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  Learners explore capillary action in plants (such as plants ability to move water from roots to leaves) in an investigation called Paper Blooms.
   
Balloon Car
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  Build a car that runs on air. Using household materials, experiment with the power of air to create thrust powerful enough to move a homemade car.
   
Exploring Size: Scented Solutions
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  This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).
   
    