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In this physics activity, learners conduct two experiments to explore free-falling.

Learners investigate weight by building a spring scale. They observe and record how it responds to objects with different masses.

In this activity, learners investigate convection by using food coloring and water of different temperatures.

In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.

In this activity about the circulatory system and space travel (on page 38 of the PDF), learners use water balloons to simulate the effects of gravity and microgravity on fluid distribution in the bod

Learners create beautiful fluid motion. They explore fluid dynamics, surface tension, solubility, and buoyancy while mixing liquids together.

Learners explore capillary action in plants (such as plants ability to move water from roots to leaves) in an investigation called Paper Blooms.

In this design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents.