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Learners demonstrate how water can distort, refract and magnify light.

In this activity related to nanotechnology, learners observe some of the effects that result from creating a thin layer of material several nanometers thick.

In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).

In this math-based activity, learners model the intensity of light at various distances from a light source, and understand how astronomers measure the amount of sunlight that hits our planet and othe

In this activity, learners play a game and use pattern blocks to explore mirror images and reflection.

In this physical sciences activity, learners use science to solve a "crime." Learners collect trace evidence (glitter) and explore its characteristics, such as color, size, shape, and light reflection

In this activity, learners construct a device that allows them to look over ledges or around corners.

In this activity, learners discover how to rotate a flat shape into the third dimension. Learners draw and cut out a shape that has at least one straight edge on an index card.

In this math activity, learners experiment with the concept of symmetry.

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

In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.

In this math lesson, learners explore transformations and quadratic functions through toothpick patterns.

In this activity, learners explore how mirrors reflect light and change the way we see things.

In this activity, learners arrange triangles together to make patterns to create paper quilts. Learners experiment with arranging the triangles in different ways to make various designs.

In this activity, learners construct a projector out of cardboard to view their favorite images (such as storybook illustrations) on the wall.

In this activity, learners repeat patterns in two and three dimensions to create tessellations. This activity combines the creativity of an art project with the challenge of solving a puzzle.

In this activity, learners construct a device that projects images onto a surface, so they can trace landscapes and other sights.

In this activity, learners use the Sun's energy to cook marshmallows. Learners construct the solar oven out of simple everyday materials.