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physics	Let's Get Glowing!
	Let's Time Travel!
	Let's Power Up!
	Let's Get Tiny!
	The Shadow of the Black Hole
	Why Does My Shadow Follow Me?
	Why Don't Cars Run on Apple Juice?
	Sounds All Around
	Science of Song, The
	Lights Day and Night
	Biomarkers of Radiation in the Environment
	Levers Are Machines
	Inclined Planes Are Machines
	Pulleys Are Machines
	Wedges Are Machines
	Screws Are Machines
	Inclined Planes Are Machines
	Screws Are Machines
	Levers Are Machines
	Wheels and Axles Are Machines

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