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Physical Science Test Review Chapter 1,2

Physical Science Test Review Chapter 1,2. Layout 10 vocabulary 10 problems 2 bonus. 10 Vocabulary. I give scenarios describing the definitions, you give the word or phrase Words used: Technology Hypothesis Scientific method Fact Law. Vocabulary Continued. Velocity Inertia

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Physical Science Test Review Chapter 1,2

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  1. Physical Science Test Review Chapter 1,2 • Layout • 10 vocabulary • 10 problems • 2 bonus

  2. 10 Vocabulary • I give scenarios describing the definitions, you give the word or phrase • Words used: • Technology • Hypothesis • Scientific method • Fact • Law

  3. Vocabulary Continued • Velocity • Inertia • Pseudoscience • Net force • equilibrium

  4. 2 Bonus • Scientific Contributors • Naming 3 facts about scientist • Aristotle • Galileo • Newton

  5. 10 problems • Speed • Net force • Scale • Sliding blocks • Max and min forces

  6. Speed • S = d/t • d = 45 m, t = 9 s, s = • S = 77 m/s, t = 10 s, d = • D = 450 km, s = 18 hr, t = • D = 900 m, s = 50 m/hr, t= • T = 50 min, s = 60 mi/hr, d = • T = 9 hr, s = 40 m/hr, d =

  7. Net Force • Of you sitting/standing? • 8902 N to left, 74902 N to left • 7980 N to left, 7980 N to right • 7025 N to left, 7920 N to right • One force twice the other, both to left • One force twice the other, larger to left • Equal forces to left • Equal forces to left and right

  8. Scale • How many scales to stand on if you want • 1/2 your weight • 1/8 your weight • What the scales would read if • 300 N person stands on two scales, one is twice the other • 300 N person stands on three scales, one is twice another, but the other two are equal

  9. Sliding • We slide a box across the floor to the left 70 N. What is the force of friction? What direction? • I push a box 60 N to left. My brother pushes it 160 N to right. Net force on box = ? Friction =? • I push a box with an equal force as you in the same direction. What is the force of friction? • I push a desk in a different direction as you with the same force. Net force = ? Friction = ?

  10. Max/min • Between • 789 N and 8790 N • 790 N and 7671 N • 6146 N and 6718 N • 57189 N and 678 N • 3059 N and 7891 N • 5194 N and 786N • 86 N and 781 N

  11. You try • P. 13 and 31 – all problems but the key terms • This will be graded. • You can skip to the problems or things you’d like to practice more

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