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In this nighttime, outdoor activity, learners keep a record of what they see in the sky by drawing constellations, the Moon, and making note of the weather and conditions each day.

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

In this activity, learners discover that they can create a lens from a water drop. Learners test their lens by looking at words or pictures.

This is an activity (located on page 3 of the PDF) about the mixture of materials in bone and how they affect its strength.

In this weather forecasting activity, learners use common materials to construct a rain gauge and measure daily, monthly, and yearly rainfall.

In this activity, learners explore and experiment how we can use our bodies everyday to get from one place to another.

In this activity, learners discover the importance of maps and scale as they work together to create a map of the classroom.

This activity helps learners understand how the angle of the Sun affects temperatures around the globe.

In this activity, learners make three different "seed" types and determine which design flies the farthest.

In this mathematics activity (page 4 of the PDF), learners will explore the relationship between the diameter and circumference of an object.

In this math lesson, learners explore the relationship between the thickness of a spaghetti bridge, the length of the bridge, and the amount of weight that can be supported by the bridge.

In this math game (Page 17 of the Are You Game? PDF), learners investigate probability by tossing coins.

This is an activity (located on page 3 of PDF under Where's Nano? Activity) about identifying nanoscale objects and phenomena in today's world.

Learners examine collisions between two skateboards carrying different masses. They learn about conservation of momentum in collisions.

In this quick activity about the properties of water (page 1 of PDF under SciGirls Activity: Malformed Frogs), learners will use an eyedropper to slowly place one drop of water at a time onto a penny,

In this activity, learners play with surprising sand that doesn’t get wet! Learners explore how water behaves differently when it comes in contact with "magic sand" and regular sand.

In this lesson, learners are challenged to discover the relationship among six numbers.

Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.

In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan.

Using a real-size sketch of a baby elephant's footprint, learners estimate, measure and record the width (diameter) and outside edge length (perimeter or circumference) of the footprint.