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In this activity, learners build a game that tests their steadiness. Learners construct the game board by setting up an electrical circuit and a wand.

This activity lets you program your 'robot' (a willing friend) to pick up and dispose of some 'toxic waste' using as few commands as possible.

This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships.

In this hands-on engineering project, kids use two simple machines, levers and inclined planes, to construct their own pinball machines.

In this activity, learners will design a protective package for an egg that will allow the egg to withstand a fall without cracking.

In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes.

In this invention challenge activity, learners create an indoor game for one or two people that gets you moving.

This activity models the necessary balance of creating power and cleaning up its associated waste. Learners participate in a game where they attempt to move forward toward a goal.

In this on site "field trip" activity (located on pages 6-9 of PDF), learners get hands-on experience identifying building materials by playing "Building Bingo".

This is a web activity about simple machines. Learners will explore a lawn mower and identify six different simple machines which work together to help make our lives easier.

In this online simulation, learners use antibiotics to cure patients with bacterial infections.

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.

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

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

In this hands-on activity, learners use the steps of the design process to create a hook to rescue a "space capsule" from the water.

This quiz lets you estimate your annual radiation exposure.

In this activity, learners use cooperation and logical thinking to find solutions to network problems on the playground.

This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

This is an online game about the complexities of farming. Learners will "draw" cards and make decisions about how to take care of their farm.

In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc.