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K-2 Science Foundations
Scholar (Ages 13-18)
Simple Machines
A SIMPLE MACHINE makes work easier. Meet the 6 basic types — lever, wheel, pulley, ramp, wedge, screw — and discover the simple machines hiding all around you.
15 min
+15 XP
Food Chains
Who eats what? Follow the food from sunlight to plants to animals to bigger animals — that's a food chain!
15 min
+15 XP