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- 1. Multiple ChoiceA book is sitting on a table. Which of the following actions would add to its potential energy?Sliding it across the tableOpening it to the middleDropping it on the floorLifting it to a high shelf.
- 2. Multiple ChoiceWhich of the following examples best demonstrates kinetic energy?A brick lying on the groundA kite flying across the skya television sitting on a tablea curtain hanging in the window
- 3. Multiple ChoiceAn airplane is demonstrating a conversion of kinetic to potential energy when--It goes to a higher altitudemore passengers board the planeit moves downward to make a landingthe wheels spin as it moves on the ground
- 4. Multiple Choice
Which positions of the pendulum would have the most potential energy?1 and 22 and 31 and 54 and 5 - 5. Multiple ChoiceA snowball sits at the top of the hill. Which of the following changes will increase the kinetic energy of the snowball?Additional snow falls on the snowball, increasing its mass.The snowball is pushed and rolls down the hill, gaining speed.The weather warms and the snowball melts, decreasing its mass.The snowball is moved and now sits on a hill that is higher.
- 6. Multiple ChoiceWhich is the best example of an object with only potential energy?a boat moving through the watera boulder resting on top of a cliffa ball being thrown across a fieldwater being poured out of a pitcher
- 7. Multiple ChoiceWhich of the following best represents potential energy?Air leaking rapidly from a car tireA marble sitting at the top of a rampHeat radiating from a large forest fireWater flowing through a rubber hose
- 8. Multiple ChoiceAs a boulder rolls from the top of a hill to the bottom, how does its PE and KE change?PE and KE both increasePE increases and KE decreasesPE decreases and KE increasesPE and KE both decrease
- 9. Multiple ChoiceStudents are investigating changes from PE to KE by rolling a marble down a ramp made by propping up a plastic ruler on a book and letting it roll down. Which of the following will change the PE the marble starts with?switching the plastic ruler with a wooden oneadding more books beneath the rulerpushing the marble down the rampreplace the marble with a rock
- 10. Multiple ChoiceWhich of these best shows a change from PE to KE?Water flowing over a tall cliffA rubber band being stretchedElectricity making a bulb light upA stone lying on top of a mountain
- 11. Multiple ChoiceAn object at rest will begin to move if which of the following is TRUE?The surface on which it rests is frictionlessThe mass of the object is sufficientUnbalanced forces act on the objectGravity on the object can be reduced
- 12. Multiple ChoiceThe forces acting on a box are illustrated below. The result of these forces will be that the box will--move to the right at a constant speedaccelerate to the rightmove to the left at a constant rateaccelerate to the left
- 13. Multiple ChoiceWhich two measurements are needed in order to calculate the speed of an object in motion?Distance and timeTime and massForce and distanceVolume and time
- 14. Multiple ChoiceFrom the graph, it can be concluded that the object was moving--in an upward directionfaster as time went onat a constant speedfor a short amount of time
- 15. Multiple ChoiceAccording to the data in the graph, what was the average speed of the bicycle?1 m/s4 m/s5 m/s20 m/s
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