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This is a fun activity about the power of the Sun and the importance of using sunscreen to protect your sensitive skin from its rays.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this three part activity, learners explore and experiment with shadows to learn about the Sun's relative motion in the sky.

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.

This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope.

In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.

This activity (on page 2 of the PDF under SciGirls Activity: Hovercraft) is a full inquiry investigation into hovercraft engineering and design optimization.

In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere.

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

In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the 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 activity, learners explore the different heating properties of soil and water.

In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.

This activity (on page 3 of the PDF under GPS: Cactus Activity) is a full inquiry investigation into how some desert birds keep their cool.

Learners build particulate matter collectors--devices that collect samples of visible particulates present in polluted air.

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