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INSTRUCTIONAL OBJECTIVES Students will • Apply Newton’s Third Law • Evaluate energy available in different compounds • Recognize the need for oxygen in combustion NATIONAL SCIENCE CONTENT STANDARD B Chemical reactions • Chemical reactions may release or consume energy. Some reactions, such as burning fossil fuels, release large amounts of energy by giving off heat and emitting light. Motions and forces • Objects change their motion only when a net force is applied. Laws of motion are used to calculate precisely the effects of forces on the motion of objects. The magnitude of the change in motion can be calculated using the relationship F = ma, which is independent of the nature of the force. Whenever one object exerts force on another, a force equal in magnitude and opposite in direction is exerted on the first object. INTRODUCTION This activity demonstrates the thrust that can be generated by burning a fuel and demonstrates Newton’s laws. Unlike 2-liter water bottle rockets in which the propulsion pressure is created by ejecting water under pres- sure, the combustion of alcohol in this activity creates heated gases that expand out of a nozzle and propel the bottle just like actual rockets. MATERIALS • 20-oz pop or soda bottles,* clean and dry, with lids • Electric drill • Long-necked butane lighter • Rubbing alcohol • Fishing line or a tripod rocket launcher • Plastic straws • Piece of wire coat hanger, ≈10 in. long • Piece of aluminum foil, 6 by 6 in. • Pliers • Tape • Fire extinguisher • Waste bottle with lid • Safety goggles 20-oz pop bottle. Rocket Activity POP BOTTLE ROCKETS DEMONSTRATION * ONLY USE POP OR SODA BOTTLES, AS THEY ARE DESIGNED TO WITHSTAND PRESSURE. DO NOT USE WATER BOTTLES OR ANY OTHER NONCARBONATED DRINK BOTTLES. Pushing the Envelope: A NASA Guide to Engines 73 ROCKET ACTIVITYPDF Image | NASA Guide to Engines
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IT XR Project Redstone NFT Available for Sale: NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Be part of the future with this NFT. Can be bought and sold but only one design NFT exists. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
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