PBS
Pbs Learning Media: Lever an Obelisk
Investigate the mechanical advantage of the lever in this interactive activity from the NOVA Web site.
Science Struck
Science Struck: A Bird's Eye View of the Desert Food Chain
Describes how a food chain works in a desert and how the Mojave desert food chain works in particular.
Curated OER
Kids Health: Eating for Sports
Know what foods you need to eat in order to stay competitive. This website offers suggestion for kids who are active in sports and includes hints for eating healthy and staying hydrated.
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