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In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

In this activity about electricity, learners build and test a paper clip switch to turn on a light bulb.

In this activity, learners work in teams to construct and test fly drinking straw rockets. Learners explore how changing the rockets' fins affect flight distance.

In this activity (located on page 10 of the PDF), learners explore the properties of spraying and dripping water, while making art.

In this design challenge activity, learners invent a device that will make their friends and family ask, "What's buzzing?" Learners design an alarm with an on/off switch that is small enough to hide.

In this activity, young learners use their sense of touch rather than sight to identify a mystery object in a bag. Learners take turns acting as "peekers" and "sensers" throughout the game.

In this activity, learners explore geometry and spatial relationships as they figure out how to arrange tables for a party.

This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.

In this math activity, learners use cubes to calculate how many blocks it would take to build stairways with different heights.

In this activity about molecular diffusion (located on page 2 of the PDF under Nanosilver Activity), learners will make predictions and move molecules of iodine through a seemingly solid plastic sandw

In this activity, learners explore fractions as they help gators share pies.

In this math activity, learners make a set of fraction cards to play a game that will help relieve their fraction frustrations.

In this fun physics activity (page 9 of the pdf), learners take part in a paper airplane design challenge.

In this engineering activity, challenge learners to construct a paper bridge that can support 100 pennies.

In this activity, learners conduct an experiment to help Pharaoh design a better insulated tomb.

In this activity, learners will decide together on a question about how far, long or high the group could reach together.

In this activity about transfer of energy, learners get to build their own catapult using nothing more than a plastic spoon and some tape.

In this hands-on activity, learners use an assortment of (mainly household) items to complete Rube Goldberg-type challenges.

Learners describe objects in a room using only numbers and shapes. They can measure the object (like a desk) and make a list of facts about it (e.g.

In this online game, learners must purchase power plants for their city.