Catapults

Link to Mr. Purugulla's Catapult Rubric

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Search for catapult in our online databases:


 * Grolier Encyclopedia
 * [|Encyclopedia Britannica]
 * [|National Science Digital Library]
 * [|EBSCOhost Science and Technology Collection]
 * [|EBSCOhost TopicSearch]
 * [|SIRS Discoverer]