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Subject: Astronomy & Space Sciences

Science activity demonstrating the phenomenon of light scattering
Blue Sky

Discover why the sky is blue and the sunset is red.

Science activity investigating spectroscopy
CD Spectroscope

Turn an old CD into a spectroscope to analyze light.

Convección en un molde de aluminio

Visualiza el movimiento de los fluidos de las celdas de convección.

Science activity that explores the relative sizes of the earth and moon and the distances between them
Earth and Moon

Create a scale model of the earth-moon system using different-sized spheres.

Falling Feather

Prove to yourself that Galileo was right.

Science activity that demonstrates how geysers work
Geyser

Just spew it—build your own cyclic hot water fountain.

Science activity that demonstrates light scattering in the atmosphere
Glue-Stick Sunset

Why is the sky blue? That's a sticky question.

Science activity that demonstrates use of nonstandard measurements and simple ratios for estimating sizes or distances
Handy Measuring Tool

Measure the height of an object indirectly using your hand and a ratio.

Build an inclinometer, a tool that can measure the height of a distant object, no matter how far away it is
Height Sight

Find the height of a tree, paper rocket or North Star.

Science activity to investigate convection
Inverted Bottles

Watch the rise and fall of hot and cold fluids.

Science activity that visualizes convection cells
Pie-Pan Convection

Visualize the spectacular fluid motion of convection cells.

Science activity that explores the twinkling of stars by beaming a laser pointer over a hot plate
Scintillating Little Star

Explore the twinkling of stars by beaming a laser pointer over a hot plate.

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Attribution: Exploratorium Teacher Institute