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In this activity, learners model the gravitational fields of planets on a flexible surface.

In this activity, learners conduct a waste audit and use their findings to implement a plan for reducing trash.

This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

In this health activity, learners explore breathing, lungs and asthma. Learners test their lung capacity by blowing air into balloons.

In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH.

In this activity about saturation (page 1 of PDF under SciGirls Activity: Sand Dunes), learners will build a series of sand castle towers using a 16 oz cup.

In this activity, learners discover how their heart rate changes in different situations.

Learners use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor.

In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

This activity (on page 3 of the PDF under GPS: Baseball Activity) is a full inquiry investigation into how "bounciness" relates to the distance a ball will fly when hit off a batting tee.

In this experiment, learners will conduct chemical and physical tests to identify mystery substances.

In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

In this activity, learners discuss the different salinities of oceans, rivers and estuaries.

In this activity, learners are introduced to challenges of maintaining temperatures while living in space.