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Showing results 1621 to 1640 of 2482
Simple Spinner
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In this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in action.
Periscope
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In this activity, learners construct a device that allows them to look over ledges or around corners.
Does it Stick?
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In this activity, learners will observe magnetic properties and sort objects by them. This activity uses everyday items to teach learners about magnetic forces, poles and properties of magnets.
Wonderful Weather
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In this activity, learners conduct three experiments to examine temperature, the different stages of the water cycle, and how convection creates wind.
Reason for the Seasons
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In this activity (on page 6 of the PDF), learners plot the path of the sun's apparent movement across the sky on two days, with the second day occurring two or three months after the first.
Plastic Milk: You can make plastic from milk
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In this activity (on page 2 of the PDF), learners make a plastic protein polymer from milk. Adding vinegar to milk causes the protein casein to solidify or curdle.
Energetic Water
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In this activity, learners explore how hot and cold water move. Learners observe that temperature and density affect how liquids rise and fall.
Parachute Parade
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In this engineering activity, learners design parachutes to give toy figures safe landings. This activity is great for practicing an important STEM skill--changing only one variable at a time.
Invisible Ink
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In this hands-on activity (on page 2 of the PDF), learners experiment with lemon juice and paper to create a message that can only be revealed using chemistry.
Energy For Life
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In this activity about the relationship between food and energy (page 1 of PDF), learners observe and quantify the growth of yeast when it is given table sugar as a food source.
Metallophone
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In this activity, learners explore sound by constructing an instrument using some metal pipes, rubber bands, and a baseboard.
Draggin' Boats
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Learners design, build, and test models of "dragon boats" made from up to three milk cartons.
Two Button Buzzer Circuit
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In this activity, learners explore an everyday situation, where either of two or more buttons can ring a buzzer.
Cloudy Globs: Can You Make a White Gel From Two Clear Liquids?
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Using household materials, learners can make white gooey globs from clear solutions. Alum, dissolved in water, reacts with the hydroxide in ammonia to create aluminum hydroxide.
Foam Peanuts
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Learners compare the properties and solubilities of Styrofoam (TM), ecofoam packing peanuts, and popcorn. First, the solubility of each substance is tested in water.
Telescoping Periscope
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In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.
Our Place in Our Galaxy
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In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.
Think Fast!: Just How Quick Are You?
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This is an activity about reaction times. Just how quickly must an NHL goalie respond to save a shot, and how does your reaction time compare?
Puff Mobile
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In this engineering activity, challenge learners to design a car using only 3 straws, 4 Lifesavers™, 1 piece of paper, 2 paper clips, tape, and scissors.
Convection Demonstration
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In this quick activity (located on page 2 of the PDF under GPS: Balloon Fiesta Activity), learners will see the effects of convection and understand what makes hot air balloons rise.