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Learners measure a bottle full of air, and then use a vacuum pump to remove the air. When they re-weigh the bottle, learners find the mass is about 0.8g less.

"Molecules in Motion" explores how materials behave and change in a vacuum.

In this activity, learners will explore the physics of liquids and gas by playing with both! Learners of any age use their own breath to move drops of water across a smooth wax paper surface.

The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change.

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.