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Applying Newton's first law to answer some true/false statements about why objects move (or not).

Figuring out the acceleration of ice down a plane made of ice.

Basic primer on Newton's First Law of motion.

Osmosis is the movement of water across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration. Osmosis helps regulate the flow of water in and out of cells, which is crucial to their function.

This online tutorial will provide you with some guidelines on how to interpret both topographic and geologic maps.