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JEOPARDY REVIEW

JEOPARDY REVIEW. FJ. When you push a penny across a table, the penny will slide and eventually come to a stop. What forces brings the penny to a stop? A. Gravity B. Friction C. The air D. The force of the table. B. Friction.

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JEOPARDY REVIEW

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  1. JEOPARDY REVIEW FJ

  2. When you push a penny across a table, the penny will slide and eventually come to a stop. What forces brings the penny to a stop?A. GravityB. FrictionC. The airD. The force of the table • B. Friction

  3. How can the force of friction be decreased to make it easier to move an object across a metal table?A. Place sandpaper between the block and tableB. Place oil between the block and tableC. Change the surface to rubberD. Change the surface to wood • B. Place oil between the block and table

  4. The mass of the Washington Monument would beA. Greatest in Washington DCB. Greatest at the North PoleC. Greatest on the moonD. The same at all locations • D. The same at all locations

  5. Why does a person weigh less at the top of a mountain than at the base of the mountain?A. The person has less mass at the top of the mountainB. The person has more mass at the top of the mountainC. The person is farther from Earth’s center when at the top of the mountainD. There is less air pressure at the top of the mountain • C. The person is farther from Earth’s center when at the top of the mountain

  6. What must be done to increase the velocity of a rocket traveling in space from 32,000 km per hour to 40,000 kph?A. Increase the rocket’s massB. Decrease the rocket’s massC. Increase the force acting on the rocketD. Decrease the force acting on the rocket C. Increase the force acting on the rocket

  7. The formula v= a x t (velocity equals acceleration multiplied by time) is used to determine the velocity of free-falling bodies. As time increases, the velocity A. increasesB. decreasesC. Remains the sameD. Increases then decreases A. increases

  8. At school, a teacher dropped a penny and a crumpled piece of paper from a third floor window. The penny hit the ground first. Why did the penny hit the ground first?A. The penny has greater massB. The penny weighs more than the paperC. The crumpled paper has greater air resistanceD. The penny has greater air resistance • C. The crumpled paper has greater air resistance

  9. To travel the same distance in half the time, the speed of a moving object must be:A. doubledB. tripledC. quadrupledD. halved • A. doubled

  10. An ant crossed 3 meters of sidewalk in 3 minutes. What was the ant’s speed?A. 1 meter/3secondsB. 9 meters/3 minutesC. 1 meter/ minuteD. 3 kilometers/hour • C. 1 meter/ minute

  11. An object falling through a vacuum is affected only by the force of A. Air resistanceB. GravityC. VelocityD. mechanics • B. Gravity

  12. When a golf ball is placed on a tee, it will remain there until a golfer strikes the ball. This example demonstrates the part of Newton’s first law that states: A. A body at rest remains at rest unless acted upon by an outside force.B. A body in motion remains in motion unless a force affects itC. A large force is required to move a large massD. Every action has an equal and opposite reaction • A. A body at rest remains at rest unless acted upon by an outside force

  13. Esther pushed her model sailboat across a pond. According to Newton’s first law, the sailboat should have continued straight across the pond but didn’t. The most likely reason for this was that: A. The force of the wind changed the sailboat’s direction of motionB. Fish swimming near the sailboat changed its direction of motionC. The force of the water changed the sailboat’s direction of motionD. The sailboat increased its acceleration across the pond • A. The force of the wind changed the sailboat’s direction of motion

  14. A pitcher on the Cleveland Indiansbaseball team exerted a pushing force when throwing a pitch to a batter. The batter took a swing but missed the ball. The force that eventually changed the motion of the ball was most likelyA. Air frictionB. GravityC. The catcher’s mittD. The swinging bat • C. The catcher’s mitt

  15. A CO2 cartridge was mounted on the top of a toy car; with the nozzle of the cartridge pointing towards the back. When the gas was released the car moved 6 meters across the room and stopped. The reaction of the car to the release of the gas was to moveA. SidewaysB. backwardC. forwardD. upward • C. forward

  16. A CO2 cartridge was mounted on the top of a toy car; with the nozzle of the cartridge pointing towards the back. When the gas was released the car moved 6 meters across the room and stopped. The reaction of the car supportsA. Newton’s first law – a body in motion remains in motion unless a force acts on itB. Newton’s third law - every action has an equal and opposite reactionC. Both Newton’s 1st and 3rd lawD. Neither Newton’s 1st nor 3rd law • B. Newton’s third law every action has an equal and opposite reaction

  17. What is the name of the theory that states Earth’s crust is broken up into large pieces that move and interact?A. Natural selectionB. Mountain buildingC. The rock cycleD. plate tectonics • D. plate tectonics

  18. Major Mountain ranges are formed when crustal platesA. Push into each otherB. Slide past each otherC. Move away from each otherD. Break into smaller plates A. Push into each other

  19. Which finding provided early evidence for the theory of continental drift?A. Observing that continents fit together like jigsaw piecesB. Identifying major earthquake zones and volcanic beltsC. Measuring the distance across the Atlantic OceanD. determining the age of rocks under the Atlantic Ocean A. Observing that continents fit together like jigsaw pieces

  20. What do you predict will happen to the Atlantic Ocean if seafloor spreading continues along the Mid-Atlantic Ridge?A. It will become widerB. It will become narrowerC. It will become deeperD. It will remain the same A. It will become wider

  21. What mechanism is thought to be responsible for seafloor spreading and plate tectonics?A. Mid-ocean ridge volcanoesB. Convection currents in the mantleC. Earthquakes at the edge of platesD. Earth’s magnetism • B. Convection currents in the mantle

  22. By studying folds and faults in rocks, scientists can determine theA. Absolute age of the rocksB. Order of past geologic eventsC. Depth of the ocean when the rocks formedD. Life forms that lived when the rocks formed • B. Order of past geologic events

  23. The geologic timetable is divided into three large time units called eras. Which factor were these time divisions based upon?A. Volcanic and earthquake activityB. Locations where rocks are foundC. Equal units of geologic timeD. Major changes in the life forms • D. Major changes in the life forms

  24. The geologic eras are made up of smaller time units called periods. What are these divisions based upon?A. Geologic events onlyB. Biological changes onlyC. Geologic and biological eventsD. Equal units of geologic time • C. Geologic and biological events

  25. What type of rock are most fossils found in?A. igneous rocksB. Sedimentary rocksC. Metamorphic rocksD. Volcanic rocks • A. Sedimentary rocks

  26. Which method is most reliable in correlating rocks from two different locations?A. Identifying physical characteristicsB. Identifying mineral content of the rocksC. Identifying similar fossils in the rock layersD. Identifying the thickness of the rock layers C. Identifying similar fossils in the rock layers

  27. FINAL JEOPARDY • The acceleration rate of a free-falling object near Earth is 9.8 m/s2. How would this compare with the acceleration rate of a free-falling object at 10km above the Earth’s surface? The acceleration would be less because the distance between the center of the object and the center of the Earth is greater so the gravitational force is less.

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