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In this activity, learners use a simple 3D model to discover why the Moon has phases.

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

In this activity, learners model the flow of energy from the sun as it enters a photovoltaic cell, moves along a wire and powers a load.

This activity (on page 3 of the PDF under GPS: Roller Coaster Design Activity) is a full inquiry investigation into g-force and acceleration.

In this "Sid the Science Kid" activity, learners set up a simple experiment to find out how sunscreen counteracts the effects of the sun.

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

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

In this activity, learners make their own bug boxes and test the habitat preference of selected "minibeasts" (bugs).

Learners experiment with a commercial photo-sensitive paper (Sunprint® or NaturePrint® paper). They place opaque and clear objects on the paper and expose it to bright light, observing the results.

This activity shows how our experience of the Sun changes with time and location. The sun dagger at Chaco Canyon is thought by many to be a sort of ancient timekeeping device.

This activity (located on page 3 of the PDF under GPS: Alligator Habitat Activity) is a full inquiry investigation into organisms and the health of their ecosystems.

In this Bob the Builder(TM)-themed activity, learners go on a nature walk outside and describe what they observe using their senses.

This activity (on page 2 of the PDF under SciGirls Activity: Water Slides) is a full inquiry investigation into speed and motion and takes place at a water park.

In this activity, learners make their own solar oven to bake s'mores and learn about how solar energy is absorbed on Earth.

Glare from the sun and ripples from the wind can make it hard to see what's below the surface of a body of water.

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 math lesson, learners use a variety of manipulatives to explore spatial relationships of squares and their transformations.

In this three/four-day lesson, learners calculate perimeters and areas and draw the castle plan to scale.

In this math lesson, learners participate in several activities where they apply measurement skills.