Science Questions answered

This is an attempt to teach using the cartoon character George as the starting point. Centrifuge Training Constellations: Starry, starry night Parachute to safety Hand shadows and Shadow play What is an earthquake? What makes a volcano erupt? What happens when you sleep? What do you need to spacewalk? How do astronauts eat? How are gem diamonds valued? How does an elevator work? How do you get a cavity? How does radar work? How does scuba work? How do X rays work? How are twins formed?

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