Provides examples to describe levers as simple machines used to lift, push, or move a load. Includes an activity.
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The Mammoth Book of Extreme Science Fiction: New Generation Far-Future SF The Mammoth Book of Extreme Science Fiction is a new collection that features 25 hard sci-fi stories that really push the boundaries, from names like Charles Stross, Robert Reed, Peter Hamilton, and Neal Asher. Highlights feature a perpetual war fought within a cosmic string; [...]
Speaker for the Dead (Ender, Book 2) ISBN13: 9780812550757 Condition: New Notes: BRAND NEW FROM PUBLISHER! 100% Satisfaction Guarantee. Tracking provided on most orders. Buy with Confidence! Millions of books sold! In the aftermath of his terrible war, Ender Wiggin disappeared, and a powerful voice arose: The Speaker for the Dead, who told the true [...]
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