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

In this activity, learners construct a simple game to test their hand-eye coordination and steadiness of hand.

This activity introduces the idea that computer scientists measure information by how "surprising" a message is.

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

In this online Flash game, learners will captain a sailing challenge, adjusting boat direction and sails, seeking the way to take greatest advantage of varying wind speeds and directions to catch the

This fun and simple hands-on astronomy activity lets learners explore model planets (that they or an educator will create), using methods NASA scientists use to explore our Solar System.

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

In this online activity, learners find out whether they are smart enough to survive as a plant.

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.

Space Guess Quest is a fun game that encourages participants to identify the many types of objects in space, from human-made spacecraft to nebulas, galaxies, stars, and worlds.

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 tabletop board game, players will represent a team of scientists and engineers sending a spacecraft on a mission to space.

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 online game, learners attempt to send a rocket ship to various targets. Learners can adjust the angle and thrust of the rocket before it is launched.