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waves, sound, and light

Light and sound are two of the most important forms of energy to humans. People see light and hear sound. Light from the Sun makes life on Earth possible. Sound is one of the most important ways that animals and humans communicate. Both sound and light travel as waves. Light also behaves like a partic... read more

how to make a soap powered boat

Propel a paper boat using nothing more than washing-up liquid! ... read more

how can certain drugs cause weight gain

A number of prescription drugs are associated with weight gain. ... read more

what is astronomy

Have you ever looked up in the sky and wondered what life would be like if you lived on Mars? Astronomy is the study of the universe, or outer space, and can help you find the answer to your question. ... read more

people learn from plants

Why Study Plants? ... read more