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Chapter 1

Chapter 1. Motion and Momentum. distance. Speed is the rate of change in______. Speed and Direction. To describe velocity you need to know _____. Time and Distance. When you graph the motion of an object, you put _______ on the horizontal axis and _______ on the vertical axis. Direction.

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Chapter 1

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  1. Chapter 1 Motion and Momentum

  2. distance • Speed is the rate of change in______

  3. Speed and Direction • To describe velocity you need to know _____.

  4. Time and Distance • When you graph the motion of an object, you put _______ on the horizontal axis and _______ on the vertical axis.

  5. Direction • Acceleration involves a change in ______.

  6. Velocity • Acceleration is a change in ____.

  7. Zero • On a speed-time graph, a horizontal line shows the change in speed is ______.

  8. A change in motion of an object • Inertia resists what?

  9. Momentum • If you exert a force on an object in motion you will change its _______.

  10. Speed • The distance traveled divided by the time taken to travel the distance is _____.

  11. In the opposite direction of • When object A collides with object B and bounces back, its final momentum is _____ its initial momentum.

  12. The truck plus the car • When a toy truck collides into a toy car, the momentum of ____ is the same before and after the collision.

  13. How hard it is to stop an object • Momentum is a measure of _____

  14. Worms • Which of the following is a biotic factor? • Climate • Sunlight • Worms

  15. Respiration • Which process uses oxygen in plants, algae, and animals?

  16. Humus • Decaying matter found in soil is called ____.

  17. chemical • During photosynthesis, light energy becomes _______ energy.

  18. proteins • Nitrogen is a necessary ingredient of ____.

  19. bacteria • Which of the following eats consumers?

  20. Plants and animals • Nitrogen in the soil is used by _____.

  21. Carbohydrates, fats, proteins • The chemical energy in sugar molecules can be stored or used in what?

  22. Food web • Which is a model of feeding relationships?

  23. decreases • As you move upward, from level to level, in an energy pyramid, energy ____.

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