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- 1. Multiple ChoiceAs heat energy increases, the motion of molecules,increasesdecreasesremains the same
- 2. Multiple ChoiceA spinning pinwheel is held above a lit candle. Which energy transformation is taking place?Heat to mechanicalSound to heatMechanical to lightHeat to sound
- 3. Multiple ChoiceA wet shirt is put on a clothesline to dry on a sunny day. The shirt dries because water molecules:gain heat energy and condensegain heat energy and evaporatelose heat energy and condenselose heat energy and evaporate
- 4. Multiple ChoiceWhich sequence of energy transformations occurs after a battery-operated flashlight is turned on?electrical --> light --> chemicalelectrical --> chemical --> lightchemical --> light --> electricalchemical --> electrical --> light
- 5. Multiple ChoiceWhich observation would be evidence that the water is undergoing a phase change?Waves form on the top of a pond.Water socks into wet sandWater splashes out of a swimming poolThe water level in a class of water decreases
- 6. Multiple ChoiceA television set changes electrical energy to sound and light energy. In this process, some energy is:createddestroyedchanged to matterchanged to heat
- 7. Multiple Choice
Which of the following has the longest wavelength?Gamma raysVisible lightUltravioletRadio waves - 8. Multiple ChoiceWhich of the following has the shortest wavelength?Gamma raysVisible lightUltravioletRadio waves
- 9. Multiple ChoiceWhich of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?Chemical to lightElectrical to chemicalElectrical to lightChemical to electrical
- 10. Multiple ChoiceWhich of the following shows an energy transformation from chemical energy to electrical to light energy?A bolt of lightning lights the night sky.A candle glows brightly in the dark.A fire in a fireplace lights up a room.A battery causes a flashlight to shine.
- 11. Multiple ChoiceWhat energy transformations take place when a battery-operated radio is in use?Electrical to chemical to lightSound to chemical to mechanicalChemical to electrical to soundLight to electrical to thermal
- 12. Multiple ChoicePeople get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?mechanical to thermal to electricalchemical to mechanical to thermalmechanical to chemical to soundchemical to sound to electrical
- 13. Multiple ChoiceWhich of the following devices transforms electrical energy into mechanical energy?An e-readera fana manual pencil sharpeneripod
- 14. Multiple ChoiceThe roller coaster cart has the most gravitational potential energy at position,WXYZ
- 15. 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
- 16. Multiple ChoiceThe picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —solarlightthermalmechanical
- 17. Multiple ChoiceThe kind of heat transfer that travels through space in electromagnetic waves is ______________________.insulation.RadiationConductionConvection
- 18. Multiple ChoiceIn heat transfer, heat always flows from the _______________ substance to the _______________ substance.Hotter to colderColder to hotterHotter to hotterColder to colder
- 19. Multiple ChoiceThe type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.ConvectionConductionRadiationinsulation.
- 20. Multiple Choice___________________ is the type of heat transfer that occurs in fluids and in the process of warm air rising and cold air sinking.ConvectionConductionRadiationinsulation.
- 21. Multiple ChoiceWhich statement is true?The quicker a molecule moves, the colder it is.The slower a molecule moves, the warmer it is.The quicker a molecule moves, the warmer it isThe movement of a molecule does not affect its temperature
- 22. Multiple ChoiceTwo objects at different temperatures are in contact. Which of the following happens to their thermal energy?Their thermal energies remain the same.Thermal energy passes from the cooler object to the warmer objectThermal energy passes from the warmer object to the cooler object.Thermal energy passes back and forth equally between the two objects.
- 23. Multiple ChoiceHeat from warm sand at the beach moves through the atmosphere by what method of heat transfer?ConvectionConductionRadiationinsulation.
- 24. Multiple ChoiceMarcie played with her friends out in the cold, cloudy weather, wearing her wool hat. After the group had finished building snowmen and having snowball fights, Marcie went back inside to warm up and drink some hot chocolate. When she took her hat off, she realized that it was very warm. What happened?The radiant energy from the sun warmed up her hat and the hat kept that heat from the sun.Her hat was warm because wool fabric is warmer than other fabrics.The humidity outside made her hat warm.Conduction between Marcie's warm body and the hat occurred and the hat remained warm because it is an insulator.
- 25. Multiple ChoiceStudents in a science class performed an experiment with hot and cold water. They dyed the hot water red and the cold water blue. When the students layered the water, they noticed that the hot water rose to the top and the cold water sank. What was this demonstrating?RadiationAir PressureEvaporationDensity differences
- 26. Multiple ChoiceThe handle of a metal spoon warms up when it is placed in a hot bowl of soup because ofConvectionConductionRadiationinsulation.
- 27. Multiple ChoiceWhich of the following is NOT a conductor?oven mittcurling ironiron skilletcopper pipe
- 28. Multiple ChoiceA large house being heated by heater warms a house when the air is circulating throughConvectionConductionRadiationinsulation.
- 29. Multiple ChoiceWhich situation best represents convection?Heat from a campfireA hot air balloon taking offTouching a hot piece of metalGetting sunburned
- 30. Multiple ChoiceWhat kind of heat transfer happens when the sun is heating your body?ConductionRadiationConvectionDensity
- 31. Multiple ChoiceWalking on the warm sand sand with your bare feet demonstrates this type of heat transfer.conductionconvectionradiation
- 32. Multiple ChoiceThe Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?conductionconvectionradiationInsolation
- 33. Multiple ChoiceWarm air is __________ dense than cold air and rises creating convection currents.moreless
- 34. Multiple ChoiceNear the ceiling of a room the air is warmer. The warm air rises because ofconductionconvectionradiation
- 35. Multiple ChoiceA huge rock at the state park gets so hot during the day because ofconductionconvectionradiation
- 36. Multiple ChoiceThe candle will slowly heat the metal and transfer the heat directly to the mans hand throughconductionconvectionradiation
- 37. Multiple ChoiceWhich state of matter has tightly packed molecules with a definite volume and shape?solidliquidgasplasma
- 38. Multiple ChoiceWhich state of matter has molecules that move quickly and do not stay together? They do not form any pattern.solidliquidgasplasma
- 39. Multiple ChoiceWhich state of matter has molecules that slide past each other but stay close together? They do not form a regular pattern.solidliquidgasplasma
- 40. Multiple ChoiceThe measure of the amount of matter in an objectmassareamattervolume
- 41. Multiple ChoiceThe amount of space an object takes upmassvolumebuoyancymatter
- 42. Multiple ChoiceHas a definite shape and volumeSolidCrystalline SolidViscositySurface Tension
- 43. Multiple ChoiceHas a definite volume but no shape.LiquidSolidGasFluid
- 44. Multiple ChoiceIs the change of a substance from a liquid to a gas.MeltingBoilingEvaporationCondensation
- 45. Multiple ChoiceWhich of the following terms identifies the change from a liquid to gas?VaporizationCondensationDepositionSublimation
- 46. Multiple ChoiceWhich of the following terms identifies the change from a liquid to solid?MeltingCondensationVaporizationFreezing
- 47. Multiple ChoiceWhen the temperature of matter increases the particles...speed up and move closerspeed up and move farther apartslow down and move closer togetherslow down and move farther apart
- 48. Multiple ChoicePhase change from a solid to a gas.sublimationdepositioncondensationevaporation
- 49. Multiple ChoicePhase change from a solid to a liquid.meltingsublimationboilingcondensation
- 50. Multiple ChoicePhase change from a liquid to a gas that only happens at the surface.evaporationboilingsublimationmelting
- 51. Multiple ChoiceWhen the temperature of matter decreases the particles ...speed up and move farther apartspeed up and move closer togetherslow down and move farther apartslow down and move closer together
- 52. Multiple ChoicePhase change from a gas to a liquid.condensationevaporationmeltingdeposition
- 53. Multiple ChoiceThe opposite phase of melting isfreezingsublimationcondensationdeposition
- 54. Multiple ChoiceAll changes in the state of matter of a substance requiresvibrationwaterpermissionenergy
- 55. Multiple ChoiceWhat is sublimation?phase change between solid and liquidphase change from gas to solidphase change from solid to gasphase change from solid to solid
- 56. Multiple ChoiceWhat is labeled "B" on the graph?solidsliquidsgasesa phase change
- 57. Multiple ChoiceWhat phase of matter is illustrated by letter "C"solidliquidgasmelting
- 58. Multiple ChoiceWhat phase of matter is illustrated by letter "A"solidliquidgasmelting
- 59. Multiple ChoiceWhat phase of matter is illustrated by letter "E"solidliquidgasmelting
- 60. Multiple ChoiceWhat is happening at "D" on the graph?water is meltingwater is evaporatingwater is freezingwater is going through sublimation
- 61. Multiple Choice
What law is best described
1st
2nd
3rd
law of motion
- 62. Multiple Choice
What law is best described
Equal and Opposite
1st
2nd
3rd
speed
- 63. Multiple Choice
What law is best described
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
- 64. Multiple Choice
What law is best described
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
The Law of Inertia (1st law)
The Law of Acceleration (2nd law)
The Law of Conservation of Momentum
Action Reaction Law (3rd law)
- 65. Multiple ChoiceWhat Unit do we Measure Force in?NewtonsJoulesForceKilograms
- 66. Multiple ChoiceWith unbalanced forces, the object will move in the direction that the _______ force is being applied.largersmallerequalless
- 67. Multiple ChoiceWhat is Newton's First LawF=maEvery action has an equal and opposite reactionAn object at rest stays at rest, an object in motion stays in motion.Friction
- 68. Multiple ChoiceNewton's third law states that any action will have a(n) _______ and ______ reactionEqual and similarEqual and oppositeEqual and differentGreater and opposite
- 69. Multiple ChoiceYou hit a wall with a stick. The equal but opposite reaction is _____the wall pushes against youthe stick pushes against youyou push against the stickthe wall pushes against the stick
- 70. Multiple ChoiceWhich one is balanced?topbottombothneither
- 71. Multiple ChoiceWhy is it harder for the boy in Image B to get down the hill?MotionFrictionWorkDisplacement
- 72. Multiple ChoiceIf these boys are pulling with the same amount of force. What will happen?The boy in blue will win.They will not move at all.The boy in red will win.Both will fall down.
- 73. Multiple ChoiceAt which point is potential energy greatestWXYZ
- 74. Multiple ChoiceIt takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describesNewton's first law, the law of inertiaNewton's second law, the law of accelerationNewton's third law, the law of action reactionThe law of universal gravitation
- 75. Multiple ChoiceWhat is the attractive force that exists between all objects that have mass?WeightMassGravityViscosity
- Answer choicesTagsAnswer choicesTags