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Learners observe and discuss a vacuum cleaner as a model of a baghouse, a device used in cleaning industrial air pollution.

Learners test two jars of ice water, one covered and one open, for changes in temperature. After placing the jars in the sun, learners discover that the covered jar cools down more slowly.

Learners develop an understanding of air pressure in two different activities.

Learners build devices from rubber bands to test for invisible air pollutants.

Learners color and cut out a spiral-shaped snake. When they hang their snake over a radiator, the snake spins.

In this engineering activity, learners investigate the differences between the strength of bridges made from flat and round building materials.

In this great hands-on activity, learners use patterns to make a teepee from newspaper that they sit inside.

In this robotics activity, learners find ways to express emotions and feelings using only body movements, not facial expressions.

In this activity, learners engineer a flying glider using paper hoops and a drinking straw.

In this activity, learners design and build a NASA rover using raw pasta and candy with a limited imaginary budget.

In this engineering design challenge, learners make a bird and then control its flight with attached strings.

In this activity, learners will build a stomp-powered launcher to blast off paper rockets they design. Materials can be found at a local hardware store or you may already have them at home.

In this activity, learners demonstrate and discuss simple circuits as well as the differences between parallel and serial circuit design and functions.

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

Based of the The Tech Challenge 2015, learners will engage in two mini-design challenges related to seismic engineering.

In this activity, learners explore an everyday situation, where either of two or more buttons can ring a buzzer.

Learners act as engineers and design mini submarines that move in the water like real submarines.

In this engineering activity, challenge learners to build a tower out of 10 sheets of newspaper and 3 feet of masking tape, which can hold a golf ball balancing at the top.

In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work.

In this design challenge, leaners attempt to build a strong structure out of LEGO® bricks that can withstand a 4-foot drop.