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In this activity, learners measure the amount of carbon dioxide in a carbonated drink.

In this activity, learners conduct an experiment to find the volume of one mole of gas. Learners capture sublimated gas from dry ice in a ziploc bag and use water displacement to measure its volume.

In this activity, learners hook up a hair to a lever system and create a hair hygrometer to measure changes in humidity.

Get all wrapped up in a lesson about skin!

In this activity, learners create a model using metric measuring tapes and atmosphere composition data.

In this activity, learners make a scale model of the Solar System and learn the real definition of "space." Learners use the online calculator to create an appropriate scale to use as a basis for thei

In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water.