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Jeopardy

Jeopardy. BALANCED UNBALANCED. FORCES. MAGNETIC ELECTROSTATIC. FRICTION. GRAVITY. Q $100. Q $100. Q $100. Q $100. Q $100. Q $200. Q $200. Q $200. Q $200. Q $200. Q $300. Q $300. Q $300. Q $300. Q $300. Q $400. Q $400. Q $400. Q $400. Q $400. Q $500. Q $500. Q $500.

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Jeopardy

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  1. Jeopardy BALANCED UNBALANCED FORCES MAGNETIC ELECTROSTATIC FRICTION GRAVITY Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Q $200 Q $200 Q $200 Q $300 Q $300 Q $300 Q $300 Q $300 Q $400 Q $400 Q $400 Q $400 Q $400 Q $500 Q $500 Q $500 Q $500 Q $500 Final Jeopardy

  2. $100 Question from Friction What kind of force is friction? Is it a pushing force or a pulling force?

  3. $100 Answer from Friction It is a pushing force.

  4. $200 Question from Friction Why do engineers and mechanics have to reduce the friction between moving parts in engines?

  5. $200 Answer from Friction The rubbing of the engine parts causes heat, which will cause the engine to catch fire if the friction is not reduced. Mechanics use oil to reduce the friction.

  6. $300 Question from Friction What is the definition of Friction?

  7. $300 Answer from Friction Friction is a rubbing force that resists (tries to stop) the motion between two surfaces that are touching.

  8. $400 Question from Friction In the jet car experiment, if you wanted the car with 4 nickels to travel the same distance as the car with 1nickel, what could you do?

  9. $400 Answer from Friction • Put more air into the balloon. • Take 3 nickels off. • Decrease the friction between the wheels and the floor.

  10. $500 Question from Friction If two cars were racing on ice, and both cars were identical except one was 1000 pounds heavier, which one would probably win the race and why?

  11. $500 Answer from Friction The heavier car would probably win because the added weight would create more friction between the car and the ice, which is what it would need to move on the slippery surface.

  12. $100 Question from Gravity What type of force is gravity? Is it a pushing force or a pulling force?

  13. $100 Answer from Gravity It is a pulling force.

  14. $200 Question from Gravity How does the mass of an object affect gravity?

  15. $200 Answer from Gravity The more mass an object has, the stronger its gravitational pull.

  16. $300 Question from Gravity What is the relationship between distance and gravitational pull?

  17. $300 Answer from Gravity The closer an object is to a planet or moon, the stronger the gravitational pull.

  18. $400 Question from Gravity If you were on the moon, how would your weight compare to your weight on Earth? Use gravity to explain your answer.

  19. $400 Answer from Gravity You would weigh less on the moon because the moon has less mass than Earth, (it is smaller) and so its gravitational pull would not be as strong as Earth’s.

  20. $500 Question from Gravity How does gravity affect the motion of a roller coaster car?

  21. $500 Answer from Gravity Gravity can give the roller coaster energy. When the coaster car is at the top of a hill, gravity pulls it down, and the car speeds up. When the car goes up a hill, gravity pulls on the car and slows it down.

  22. $100 Question from Balanced and Unbalance. This type of force causes all changes in the speed and direction of an object. It can make resting objects move, or change the speed or direction of moving objects.

  23. $100 Answer fromBalanced and Unbalance Unbalanced Forces

  24. $200 Question fromBalanced and Unbalance This type of force causes objects to be at rest or moving at a constant speed.

  25. $200 Answer from Balanced and Unbalance. Balanced Force

  26. $300 Question from Balanced and Unbalance. Give two examples of unbalanced forces acting on an object.

  27. $300 Answer from Balanced and Unbalance. • A car driving out of the driveway. • A person throwing a basketball into a hoop. • A bike skidding to a stop.

  28. $400 Question from Balanced and Unbalance. Give 4 examples of balanced forces. Two examples of the two different ways balances forces can affect objects. Hint: When forces are balanced objects are either at ___________ or moving _ _______ ________.

  29. $400 Answer from Balanced and Unbalance. • A book sitting on a table. • A car, turned off, and sitting in the driveway. • The hour hand on a clock. • A satellite orbiting Earth.

  30. $500 Question from Balanced and Unbalance. Describe the activity we did in class to show balanced and unbalanced forces, and describe how we could tell if the forces were balanced or unbalanced. What would have to happen for the forces to be balanced?

  31. $500 Answer from Balanced and Unbalance. We played tug-of-war and put the six largest kids on one side of the rope and the six smallest kids on the other side of the rope to show unbalanced forces. We put kids of equal size on both sides to try to show balanced forces. To make the forces balanced each side would have to have the same amount of weight and the same amount of pulling force.

  32. $100 Question from magnetic and electrostatic forces. What type of force is magnetic force? Is it a pulling force or a pushing force?

  33. $100 Answer from magnetic and electrostatic forces. Both. Magnets can push and pull.

  34. $200 Question from magnetic and electrostatic forces. What type of force is an electrostatic force, a pushing force or a pulling force?

  35. $200 Answer from magnetic and electrostatic forces. It’s a pulling force.

  36. $300 Question from magnetic and electrostatic forces. What do gravity, magnetic and electrostatic forces all have in common?

  37. $300 Answer from magnetic and electrostatic forces. They all can exert a force on objects without touching them.

  38. $400 Question from magnetic and electrostatic forces. What determines whether a magnet will push or pull?

  39. $400 Answer from magnetic and electrostatic forces. Opposite ends attract or pull, and like ends repel or push.

  40. $500 Question from magnetic and electrostatic forces. • Compare Electrostatic forces and • Magnetic forces. • Give two ways they are alike. • Give two ways they are different.

  41. $500 Answer from magnetic and electrostatic forces. • ALIKE • Magnetic and electrostatic forces can both pull on objects and • they can act on objects without touching them. • DIFFERENT • Magnetic forces only work on certain metals and electrostatic • forces work on light objects like paper and feathers. • Magnetic forces can push and pull but electrostatic forces can • only pull.

  42. $100 Question from Forces This is a push or pull that causes an object to move or change shape.

  43. $100 Answer from Forces A Force.

  44. $200 Question from Forces When forces are ___________ objects will change speed and/or direction.

  45. $200 Answer from Forces Unbalanced

  46. $300 Question from Forces This is friction between the air and an object.

  47. $300 Answer from Forces Air Resistance

  48. $400 Question from Forces When forces are ______________ an object must be at rest or in constant motion.

  49. $400 Answer from Forces Balanced

  50. $500 Question from Forces This is the upward force that pushes up on an object that is in liquid or gas.

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