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Science » Physical Sciences » Physics

Astrophysics Science Project: Integrating Research and Education (ASPIRE)

offers lessons for learning about the atmosphere, force, gas particles, cosmic rays, kinetic energy, lunar phases, machines, momentum, the night sky, refraction demos (prisms and raindrops), the scientific method, scientific notation, seasonal changes (using a sundial, determining your location), seismic waves, stars, the angle of the sun, tides, and waves. Find out about careers -- read interviews of scientists. (National Science Foundation)

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Interesting Fact:

Space may seem empty, but it is actually filled with "interstellar medium" -- thinly spread gas and dust. The gas atoms, mostly hydrogen (H2), are generally a centimeter apart. The dust, mainly microscopic grains, comprises just a few percent of the matter between stars.
Simulated images of the phases of the moon.

Phases of the moon

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Science »  Space Sciences »  Astronomy

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