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Science, Computers, Biology
6th -
8thgrade
Science Spring Term Revision Practice
86 questions
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- 1. Multiple Choice
________________ is done whenever a force moves an object a distance.
Load
Friction
Force
Work
- 2. Multiple Choice
How can simple machines make work easier?
by decreasing the force needed to complete the task
by increasing the friction between the machine and the object
by adding more work on the object than originally applied
by removing the force of gravity on the object
- 3. Multiple Choice
Simple machines can make work easier by reducing the input force needed to move an object. However, there is a trade off for decreased input. What is the trade off?
The distance the object is moved is increased.
The distance the object is moved is decreased.
The amount of work is increased.
The amount of work is decreased.
- 4. Multiple Choice
A doorknob is an example of a _______.
wheel and axle
inclined plane
pulley
wedge
- 5. Multiple ChoiceWhich type simple machine would the base of a light bulb be?screwwedgewheel and axlepulley
- 6. Multiple Choice
An example of a lever is a ________.
doorstop
drill
staircase
hammer
- 7. Multiple Choice
The fixed point around which a lever rotates is know as the
wheel.
fulcrum.
input force.
output force.
- 8. Multiple Choice
A simple machine that splits an object apart is a _______.
inclined plane
fulcrum
wedge
lever
- 9. Multiple Choice
A ramp is an example of a(n) _______.
inclined plane
fulcrum
force
lever
- 10. Multiple Choice
Which simple machine would be the MOST efficient for lifting an object 30 meters off the ground?
pulley
screw
wedge
lever
- 11. Multiple Choice
A doorknob is a simple machine made up of 2 circular objects of different sizes. When turning a doorknob, what type of simple machine is being used?
inclined plane
wheel and axle
wedge
pulley
- 12. Multiple Choice
The bow or front of a boat splits the water as the boat moves. What kind of simple machine would the bow of the boat be?
wedge
screw
ramp
lever
- 13. Multiple Choice
Using the back of a hammer makes it much easier to remove a nail from a wooden board. What kind of simple machine would the hammer be classified as if you are using it for this purpose?
Wedge
Lever
Pullye
Inclined Plane
- 14. Multiple Choice
Which of the following is NOT an example of the simple machine know as a screw?
the lid of a jar
a bolt
a drill bit
a crowbar
- 15. Multiple Choice
Which of the following is NOT one of the things a machine can do?
Changes the amount of force required.
Changes the distance over which the force is exerted.
Changes the direction of the force.
Changes the amount of work done.
- 16. Multiple Choice
Workers push a heavy box up an inclined plane and onto a moving truck. Which best explains why these workers use an inclined plane?
It makes their work easier because it requires less effort.
It decreases the amount of work they have to do.
It increases the amount of friction necessary to do the task.
It makes the box weigh less.
- 17. Multiple Choice
What is the formula needed to solve for work?
w = f/d
w = f*d
w = f+d
- 18. Multiple Choice
If you push a cart with a force of 60 N for 2 m, how much work have you done?
120 J
30 J
120 N
30 N
- 19. Multiple Choice
Two people shove on a wall with 100 N of force. The wall does not move. How much work have they done?
100J
100N
0J
0N
- 20. Multiple Choice
A 100 Newton force is applied to move a 15 kg object a distance of 5 meters. How much work is done?
20 Joules75 Joules500 Joules1500 Joules
- 21. Multiple Choice
What are the 3 R's?
Reduce, Recycle, Remake
Right, Reason, Reduce
Reduce, Reuse, Recycle
Restore, Reuse, Remake
- 22. Multiple Choice
Which one is made of PAPER?
Magazine
Bucket
Jar
Knife
- 23. Multiple Choice
Which one is made of PLASTIC?
Books
Soda Can
Milk Box
Pet Bottle
- 24. Multiple Choice
Which one is made of METAL?
Newspaper
Fork
Toy Blocks
Clothes
- 25. Multiple Choice
Which one is ORGANIC TRASH?
Banana peel
Jars
Cans
Papers
- 26. Multiple Choice
Which one is E-WASTE?
T-shirts
Fruit Seeds
Bottles
Cellphones
- 27. Multiple Choice
Which one is REUSABLE?
Plastic Bag
Eco Bag
Paper Bag
- 28. Multiple Choice
Which one is REUSED?
- 29. Multiple ChoiceWhat does endangered mean?gone foreververy few of its kind leftfind a new homebreak down of dead plants
- 30. Multiple ChoiceSmog is what kinds of pollution?recyclewater pollutionland pollutionair pollution
- 31. Multiple ChoiceWhere is pollution found on Earth?in water and landonly in airin air, land and waterin air and water
- 32. Multiple ChoiceWhat type of pollution is caused by a bus, car or truck?air pollutionland pollutionwater pollutiongarbage pollution
- 33. Multiple ChoiceWhat is one way trash and litter hurt wildlife?trash blows on their homes and make it messyanimals can't smell the other animals they are looking foranimals try to eat plastic and choke on themanimals don't like to clean up the trash
- 34. Multiple ChoiceWhich one can NOT be recycled?batteriesMs. Garris' favorite bookplastic bottlescoke cans
- 35. Multiple ChoiceHow can one person help conserve energy?ride a bike to the storeuse an elevator instead of using the stairsleave the water on while you brush your teeth and use hot waterdrive a big car with no passengers
- 36. Multiple ChoiceChoose the option which a truly environmentally friendly person does.
What's the last thing you do before you leave the house?Turn off my computer... that's about it.Check to make sure I have my cell and iPod.Turn off all the lights in the house.Turn on the TV so it looks like someone's home, just in case a thief tries to break in! - 37. Multiple Choice
What do people in your country do ............the environment?
recycle
damage
save
waste
- 38. Multiple Choice
Do you ...........plastic bags at home?
pollute
recycle
throw away
- 39. Multiple Choice
What do people in your country do ............the environment?
recycle
damage
save
waste
- 40. Multiple Choice
Rain washing soil away from a hillside is an example of
Abrasion
Erosion
Deposition
Weathering
- 41. Multiple Choice
carries away materials
Erosion
Deposition
Weathering
Rock Cycle
- 42. Multiple Choice
The process of sediment being dropped off in a new place is called
Abrasion
Erosion
Deposition
Weathering
- 43. Multiple Choice
A delta is an example of
Erosion
Weathering
Sediment
Deposition
- 44. Multiple Choice
Sea caves are coastal landform made by
Erosion
Deposition
- 45. Multiple ChoiceMuddy water being carried away by a fast-moving riverWeatheringErosionDeposition
- 46. Multiple Choice
Small, broken down pieces of rock are called
sedimentary rock
sediment
smaller rocks
crumbs
- 47. Multiple ChoiceWaves wash sand onto land until a beach is formedMechanical WeatheringChemical WeatheringErosionDeposition
- 48. Multiple ChoiceWhat occurs when water flows or collects over land that is usually dry.damfloodfloodwaylevee
- 49. Multiple ChoiceWhat is a wall along the banks of a river or other body of water that serves to keep water behind it?floodfloodwayleveereserboir
- 50. Multiple Choice
How are dams and levees alike?
both control floods
both control weathering
bath are natural barriers
both prevent coastal erosion
- 51. Multiple Choice
When deposits build up in a harbour or lake, they need to be removed. This process is called...
dredging
dodging
delta
digging
- 52. Multiple ChoiceThe color of a mineral in powder form is called the mineral'shardnessspecific gravitylusterstreak
- 53. Multiple ChoiceHow light reflects off of a mineral is called the mineral'slusterstreakcleavagefracture
- 54. Multiple ChoiceWhy is coal not a mineral?It's not a solidIt is man-madeIt is not inorganicIt is made of carbon
- 55. Multiple ChoiceDiamond has a hardness of ___ on Mohs Hardness Scale.15810
- 56. Multiple ChoiceBy definition, a mineral has which of the following characteristic(s)?definite chemical compositioncrystal structurenaturally occuringall of the above
- 57. Multiple ChoiceBy definition, a mineral has which of the following characteristic(s)?definite chemical compositioncrystal structurenaturally occuringall of the above
- 58. Multiple Choice
What type of property test is a mineralogist conducting when she rubs a mineral over a mirror, tile, or hard surface?
Streak Test
Luster Test
Appearance Test
Cracking Test
- 59. Multiple ChoiceWhat are the 3 major types of rocks?Igneous, Metamorphic, SedimentaryMetamorphic, Igneous, CementationBrown, Red, GrayStreak, Hardness, Breakage
- 60. Multiple Choice
Rocks formed by heat and pressure beneath the Earth's surface are...
igneous
metamorphic
sedimentary
magma
- 61. Multiple Choice
Two types of igneous rocks are:
Interior and exterior
Intrusive and extrusive
Inside and outside
Enter and exit
- 62. Multiple ChoiceA solid material that is made up of one or more minerals.mineralrockfossilsoil
- 63. Multiple ChoiceRock formed from materials that have settles into layers from weatheringigneous rocksedimentary rockmetamorphic rock
- 64. Multiple ChoiceAn object that is solid, formed in nature, and has never been alivesand castlemineralplant
- 65. Multiple ChoiceWhat is the small broken down pieces of rock called?dirtgrimesedimentpopcorn
- 66. Multiple ChoiceA shiny material is described as having a __________________ lustermetallicnonmetallic
- 67. Multiple ChoiceWhat is the LEAST useful way to identify a mineral?lusterstreakcolordensity
- 68. Multiple ChoiceWhen sediments are pressed together tightly, this is called ____________.CompactionCementationWeatheringErosion
- 69. Multiple ChoiceThe process by which metamorphic rocks are formed...heat and pressureerosion and depositionmelting and cooling
- 70. Multiple ChoiceThis rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?SedimentaryIgneousMetamorphic
- 71. Multiple ChoiceThe color of a mineral in powder form is called the mineral'shardnessspecific gravitylusterstreak
- 72. Multiple ChoiceHow light reflects off of a mineral is called the mineral'slusterstreakcleavagefracture
- 73. Multiple ChoiceWhy is coal not a mineral?It's not a solidIt is man-madeIt is not inorganicIt is made of carbon
- 74. Multiple ChoiceWhat mineral is salt?quartzsulfurhalitecalcite
- 75. Multiple ChoiceA naturally occurring, inorganic solid with a crystal structure and a definite chemical composition is referring todensitystreakmineralnon silicate mineral
- 76. Multiple ChoiceThe solid, geometric form of a mineral produced by a repeating pattern of atomscrystaldensityelementfracture
- 77. Multiple ChoiceWhat mineral is the softest mineral on Moh's Hardness Scale and the main ingredient in baby powder?feldspartalcgypsumkaolinite
- 78. Multiple ChoiceWhich mineral smells like rotten eggs?talcsulfermicapyrite
- 79. Multiple ChoiceWhich mineral smells like rotten eggs?talcsulfermicapyrite
- 80. Multiple ChoiceThe mineral halite is formed byhot water solutionscooling of magmacooling of lavaevaporation
- 81. Multiple ChoiceA rock which contains a useful mineral is call a/angemquarryorealloy
- 82. Multiple ChoiceA mineral breaks into pieces like are shown in the picture. How would you describe its breakage?FractureCleavageGlassyWaxy
- 83. Multiple ChoiceA mineral breaks into pieces like are shown in the picture. How would you describe its breakage?FractureCleavageGlassyWaxy
- 84. Multiple ChoiceWhich mineral property is being shown here?lusterhardnesscleavagestreak
- 85. Multiple ChoiceScientists test for the hardness of a mineral by doing which of the following?Measuring the mass of the mineral, and comparing it against other mineralsObserving how light reflects off the mineral and how the mineral looks as a resultObserving the color of a mineral and comparing it against other mineralsScratching the mineral against other substances of known hardness
- 86. Multiple ChoiceRefer to the Mohs Hardness Scale. A mineral with a hardness of 7 can scratch -orthoclase feldspar, but cannot scratch talccalcite, but cannot scratch apatite.topaz, but cannot scratch fluoritegypsum, but cannot scratch corundum
- Answer choicesTagsAnswer choicesTags