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Number Systems and Number Theory: Factor Game
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In this math lesson, learners play a game to identify the properties of prime, composite, abundant, deficient and perfect numbers.
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Your Energy Needs
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In this activity about the relationship between food and energy (page 8 of PDF), learners estimate average daily baseline energy (Calorie) needs and energy needs for different levels of activity.
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Paper Drop Design Competition
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Using paper, paper clips, an index card, and tape, teams of learners design flying devices to (1) stay in the air as long as possible and (2) land as close as possible to a given target.
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Paper Bridges
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In this activity, learners build bridges using paper and explore how much weight each bridge design can support.
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Wind Turbine
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Learners build a wind turbine and test it to see how much energy is created.
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Electric Gamebox Challenge
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In this design challenge activity, learners invent a pinball-like game where a kick stick hits a ping pong ball into a target that buzzes.
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On Target
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In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target.
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Getting Your Bearings
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In this activity, learners explore the concept of friction and how ball bearings reduce friction.
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How Much is a Name Worth?
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In this math lesson, learners use simple addition facts to compute values (in dollars and cents) for their names.
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Harmless Holder
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Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get tangled in.
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Memory Match
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In this classic memory game (on pages 37-45 of PDF), learners turn over tiles to reveal images on the back.
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Dance Pad Mania
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Make your own "Dance Dance Revolution" dance pad! In this design challenge activity, learners work in teams to build a dance pad that lets you use your feet to sound a buzzer or flash a light.
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Clay Beams and Columns
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In this activity, learners make or use pre-made clay beams to scale and proportion. Specifically, they discover that when you scale up proportionally (i.e.
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Cool It!
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Learners make a refrigerator that works without electricity. The pot-in-pot refrigerator works by evaporation: a layer of sand is placed between two terra cotta pots and thoroughly soaked with water.
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Getting There!: Navigation and Trajectory
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In this two-part activity, learners map a navigation plan to get from Earth to Mars and back. In activity one, learners represent the orbital paths of Earth through dance and dramatic movement.
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Vestibular-Ocular Reflex
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In this activity, learners will perform various investigations to understand the vestibular-ocular reflex and learn about the importance of visual cues in maintaining balance.
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The Parachuting Egg
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In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.
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Sky Diver
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Students design and build their own parachutes in this hands-on engineering project.
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Give Me a Brake
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In this activity, learners explore the concept of how brakes can stop or slow mechanical motion.
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Tricky Tangrams
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In this activity (on pages 49-54 of PDF), learners play with tangrams, a set of triangles, squares and a parallelogram that can combine into a larger square as well as all sorts of other shapes.