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In this activity, learners investigate and compare the rate of drying in different conditions.

In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

In this activity, learners use tonic water to detect ultraviolet (UV) light from the Sun and explore the concept of fluorescence.

Learners construct one or more of the following kinds of sundials: a shadow plot, a horizontal sundial, and a diptych sundial.

In this activity, learners create a CloudSpotter wheel and record the different types of clouds they observe twice daily over several days.

In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

In this activity, young learners will make their own flower seed nursery in an egg carton.

In this activity, learners will make their own prism and use a glass of water to separate sunlight into different colors.

In this activity, learners observe tide pool animals in a touch tank to consider how they survive.

In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.

In this activity, learners will take a step back and learn the history of the land they live on, and the people who used to live on it.

In this activity (on pages 6-11), learners work as a team to investigate how impact craters on Earth, the Moon or other planets take shape and what patterns they make.

In this activity, learners model erosion using a clear shoebox and sand or soil.

In this activity, learners work in groups to build simple solar stills filled with salt water. After the stills are complete, learners observe what happens when they place the stills in the sun.

This activity (on page 2 of the PDF under SciGirls Activity: Forecasting) is a full inquiry investigation into meteorology and forecasting.

In this activity, learners build a sled kite that models a type of airfoil called a parawing.

In this water activity, learners discover ways to move water across the water table.

This activity gets learners looking at 6-sided shapes in nature, including the cells of a beehive, as well as other shapes.

This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation into the forces of gravity and air pressure.

In this activity, learners create a sealed, mini ecosystem that supplies freshwater shrimp with food, oxygen, and waste processing for at least three months.