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In this activity, learners discover that they can modify a regular piece of paper so that it's large enough for them to walk through!

In this activity, learners add squares to paper dominoes to make polyominoes.

In this activity, learners build a 1:140 "scale model" of NASA's X-33 Reusable Launch Vehicle (RLV) Technology Demonstrator, and investigate how the model dimensions compare to the real vehicle.

In this activity, learners will predict the size of a giant scale model of a comb or other rectangular object, then make one. If you tripled the size of a dollar bill, could you sit on it?

In this experiment, learners examine how pressure affects water flow. In small groups, learners work with water and a soda bottle, and then relate their findings to pressure in the deep ocean.

In this activity, learners take a turn contributing a closed figure made of six squares to a large grid; each must be different from all the others on the grid so far.

Learners make a counting/estimating jar to exchange with friends or bring home.

In this activity, learners complete simple exercises to investigate the relationship between force, area and pressure and their effects on materials.