Grade 8 · Science · Forces and motion | QuizPrint

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Grade 8 Science: Forces and motion QuizPrint.CA Ontario · Matter and Energy — investigate forces, motion, energy, and simple machines NameDateScore 1. What is the law of conservation of energy? 2. What is the net force on a 8 kg object that accelerates at 2 m/s²? 3. What is a lever? 4. A car travels 52 km in 2 hours at a steady speed. What is its average speed? 5. What is Newton's Third Law of Motion? 6. What is Newton's Second Law of Motion? 7. What is Newton's First Law of Motion? 8. What is the net force on a 3 kg object that accelerates at 7 m/s²? 9. What is a pulley? 10. A car travels 165 km in 5 hours at a steady speed. What is its average speed? Sign in to manage students and save worksheet results. Fresh practice from quizprint.ca. Unofficial practice — not a ministry test or resource. Answer key Grade 8 Science: Forces and motion Ontario · Matter and Energy — investigate forces, motion, energy, and simple machines Question numbers match the worksheet. 1.B) energy cannot be created or destroyed, only changed from one form to another 2.B) 16 N 3.B) a bar that turns on a fulcrum 4.D) 26 km/h 5.C) every action force has an equal and opposite reaction force 6.A) force equals mass times acceleration 7.A) an object keeps its motion unless an unbalanced force acts on it 8.A) 21 N 9.B) a wheel with a rope or cable around it 10.B) 33 km/h Keep this page if you are printing for a child. Fresh practice from quizprint.ca. Unofficial practice — not a ministry test or resource.

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