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- 1. Multiple ChoiceOn a roller coaster, where is maximum potential energy?At the bottom of a big hillWhen going around a cornerWhen going upside downAt the top of a big hill
- 2. Multiple ChoiceOn a roller coaster, where is maximum kinetic energy?At the bottom of a big hillWhen going around a cornerWhen going upside downAt the top of a big hill
- 3. Multiple ChoiceEnergy is defined as,the amount of heat transferred from one object to anotherthe ability to do workthe temperature of an objectthe ability to change
- 4. Multiple Choice
Placing a metal spoon with a temperature of 20oC into a cup of water with a temperature of 90oC will cause the spoon to
increase in temperature
decrease in temperature
remain the same temperature
contract in size
- 5. Multiple Choice
A thermos bottle keeps warm liquids warm and cold liquids cold. A thermos bottle must be made from a good
heat conducting material
heat insulating material
heat expanding material
heat contracting material
- 6. Multiple ChoiceHeat is transferred from the sun to Earth through,conductionconvectionradiation
- 7. Multiple ChoiceConduction is the movement of heat in,solidsliquidsgasesplasma
- 8. Multiple Choice
Heat is transferred through an iron bar during this type of heat transfer.
Conduction
Convection
Radiation
- 9. Multiple ChoiceThis is the process of heat transfer due to differences in density.ConductionConvectionRadiation
- 10. Multiple Choice
What do we call materials that are poor conductors of heat?
insulators
conductors
metals
wood
- 11. Multiple ChoiceThe temperature at which all molecules stop moving is known as,absolute zerozeroabsolute lowestabsolute 100
- 12. Multiple ChoiceWhen air is heated it,rises as it becomes less densefalls as it becomes more denserises as it becomes more densefalls as it becomes less dense
- 13. Multiple ChoiceWhich of the following lists the correct order for the energy conversion when a match lights?chemical energy --> heat and light energyheat energy
--> light energychemical energy --> only heat energyheat and light energy --> chemical energy - 14. Multiple ChoiceWhich type of energy is contained in battery?ChemicalElectricalMechanicalElectromagnetic
- 15. Multiple ChoiceAn arrow will move through the air because it has,kinetic energypotential energychemical energyheat energy
- 16. Multiple ChoiceAs temperature increases, molecules will movefasterslowerat the same speed
- 17. Multiple ChoiceTo stay cool on a hot summer day, you should wearlight colored clothingdark colored clothingrough clothingblack clothing
- 18. Multiple ChoiceIf a lamp inputs 100 watts of energy and 60 watts is converted to light, how many watts were converted to thermal energy?4016060100
- 19. Multiple ChoiceWhich of these statements is true according to the law of conservation of energy?Energy can be createdEnergy can be destroyedEnergy can change formsEnergy can change into mass
- 20. Multiple Choice
Heat transfers from an area of ____temperature to an area of ___ temperature.high to lowlow to highhigh to high - 21. Multiple ChoiceNear the ceiling of a room the air is warmer. The warm air rises because ofconductionconvectionradiationinsulation
- 22. Multiple Choice
By which process is heat energy transferred when molecules with a substance collide?
Convection
Conduction
Radiation
Insulation.
- 23. Multiple ChoiceWhich situation has the least potential energy?A spring that is stretched for 1 cmA spring that is stretched for 2 cmA spring with a heavy weight hung on itA spring that is not stretched
- 24. Multiple Choice
A unit for energy is the
gram
joule
liter
newton
- 25. Multiple Choice
Solar cells (panels) can capture energy from our Sun and transfer this energy for many practical purposes. List in the correct order the energy exchanges shown by the diagram.
Light to electrical to light
Light to mechanical to light
Electrical to mechanical to light
Light to electrical to mechanical
- 26. Multiple Choice
Which diagram shows the normal pattern of movement that occurs when density differences transfer energy within beakers of water?
a
b
c
d
- 27. Multiple Choice
On a hot day, the sun causes the sidewalk to become very warm. How do the particles that make up the sidewalk change as the temperature increases?
They move faster.
They move closer together.
Their kinetic energy decreases.
They move freely from place to place.
- 28. Multiple Choice
Two objects, A and B, are in contact with one another. When they are first placed next to each other A is 50oC and the temperature of B is 100oC. Which diagram best represents the flow of heat. (Arrows represent the direction of heat flow.)
a
b
c
d
- 29. Multiple Choice
The diagrams below represent a laboratory model used to demonstrate convection. Each model shows a burning candle in a closed box with two open tubes at the top of the box. Which diagram correctly shows the air flow caused by the burning candle?
a
b
c
d
- 30. Multiple Choice
Which process is indicated by the letter X?
conduction
convection
radiation
insulation
- 31. Multiple Choice
Which process is indicated by the letter Y?
conduction
convection
radiation
insulation
- 32. Multiple Choice
A lamp releases only light and thermal energy. The energy input of the lamp is 120 watts. Of that input, 80 watts is converted to light. How much energy is converted to thermal energy?
Exactly 40 watts
Exactly 80 watts
About 200 watts
More than 40 watts
- 33. Multiple Choice
At which location in the room will the density of the air be greatest?
F
B
C
E
- 34. Multiple Choice
At which location in the room will the density of the air be the least?
F
A
C or B
E
- 35. Multiple Choice
Which type of energy transfer is indicated by the arrows in the diagram?
Conduction
Convection
Radiation
Absorption
- 36. Multiple Choice
What might cause an arrow to not reach a target?
It does not have enough energy because the archer did not pull the bow back far enough.
It has too much energy because the archer pulled the bow back too far.
Its kinetic energy was converted to gravitational potential energy as it moved.
Its kinetic energy was converted to potential energy as it moved.
- 37. Multiple Choice
a
b
c
d
- 38. Multiple Choice
Which diagram shows radiation?
a
b
c
d
- 39. Multiple Choice
Which situation has the greatest potential energy?
A spring that is stretched for 1 cm
A spring that is stretched for 2 cm
A spring with a heavy weight hung on it
A spring that is not stretched
- 40. Multiple Choice
Where does the energy from an arrow come from? (Referring to a bow and arrow).
It always had energy
It gained energy from the air as it moved
Energy was stored in the arrow before the bow was pulled back
Energy was stored in the stretch of the bow when it was pulled back
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