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- 1. Multiple Choice
Which mixture can be easily separated by adding water and pouring it through a filter?
iron filings and sand
sugar and salt
sand and salt
sugar and baking soda
- 2. Multiple Choice
True or False: Each part of a mixture keeps its properties when mixed.
True
False
- 3. Multiple Choice
True or False: Mixtures can be separated by physical processes.
True
False
- 4. Multiple Choice
Lauren wants to separate salt from water. What separation technique should she use?
Evaporation
Filtration
Chromatography
- 5. Multiple Choice
In which mixture can you see all of the parts?
homogeneous
heterogeneous
- 6. Multiple Choice
In which mixture can you not see all of the parts?
homogeneous
heterogeneous
- 7. Multiple Choice
Trail mix
Solution
Mixture
- 8. Multiple Choice
Is this a mixture or a solution?
Mixture
Solution
- 9. Multiple Choice
What is a solvent?
The material being dissolved.
The liquid used to dissolve.
- 10. Multiple Choice
Which is a mixture?
raisins and apples
lucky charms cereal
peanuts and M&M's
all of the above
- 11. Multiple Choice
What is a mixture?
A mix of ingredients that will keep their physical traits
A mix of things that will all dissolve once put together
Do not separate easily
Can not tell the ingredients apart
- 12. Multiple Choice
Which of these are mixtures?
Peas and rice
Iron Filings and Sand
A jar of marbles
All the above
- 13. Multiple Choice
Solutions are always formed when
one substance dissolves uniformly in another substance
liquids are mixed together
a compound is created
solids and liquids are mixed together
- 14. Multiple Choice
When something is soluble what happens when it is put into water?
It grows in size
It dissolves
Nothing happens and it either sinks or floats.
It becomes colder
- 15. Multiple Choice
Smooth and Slimy - These words can be used to describe which physical property of matter?
Shape
Size
Texture
Color
- 16. Multiple Choice
What tool is used to separate water and sand?
Magnet
Colander
Plastic Bags
Filter
- 17. Multiple Choice
The type of separation that would be appropriate if you needed to separate solid particles from a liquid is....
Distillation
Filtration
Separation funnel
Crystallization
- 18. Open Ended
Describe brief methods for separating a mixture of iron, sand, water, and oil.
- 19. Multiple ChoiceWhich one of the following techniques would best be used to separate soil and water?DecantingdistillationFiltrationChromatography
- 20. Multiple ChoiceTwo or more substances mingled together, but not chemically combined are known as aresiduesolutiondistillatemixture
- 21. Multiple Choice
The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as
decanting
evaporation
loading
chromatography
- 22. Multiple Choice
Which one of the following methods is used to separate the colors in food dyes?
winnowing
Threshing
Crystallization
chromatography
- 23. Multiple ChoiceTo separate sand and iron filings you would use a ___________.a screen strainercoffee filter papera magnetyour hands
- 24. Multiple ChoiceWhich statement describes a mixture?2 or more substances that CANNOT be easily separated2 or more substances that CAN be easily separatedAn example of a mixture is lemonadeAn example of a mixture is a Kool-Aid
- 25. Multiple Choice
The substance that does the dissolving
Solute
Solvent
Solution
Miscibility
- 26. Fill in the Blank
Mixtures can be classified as a homogeneous and heterogeneous mixtures. Homogeneous mixtures are different from heterogeneous mixtures because we _________________ with a naked eye
- 27. Multiple Choice
Which of the following mixtures are heterogeneous?
Sand and salt
Salad
White rice
Sandwich
Cake dough
- 28. Multiple Choice
Sofia separated a mixture (soil and water). At the end, she had clean water using a separation technique. What is the name of the separation technique she used?
Evaporation
Filtration
Separating funnel
Sieving
- 29. Multiple Choice
What is the name of the separation technique should a student use to separate the iron filings?
Magentism
Filtration
Sieving
Separating funnel
- 30. Multiple ChoicePhysical state change of water from Liquid to Solidcondensationfreezingmeltingevaporation
- 31. Multiple ChoiceWhich of the following is a solution?Vegetable soupChocolate milkFruit saladParty mix
- 32. Multiple ChoiceCan a mixture be separated?NoYes
- 33. Multiple ChoiceWhich liquid is the least dense?oilwatersyrupplastic bottle
- 34. Multiple ChoiceThe cork is more dense than the rock.The rock is less dense than the cork.The rock is less dense than water.The cork is less dense than water.
- 35. Multiple ChoiceA homogeneous mixture has the same composition of particles throughout.TrueFalse
- 36. Multiple ChoiceWhich is a homogeneous mixture?SandTrail mixPizzaGrape juice
- 37. Multiple ChoiceSugar will dissolve in water, but flour will not. Which property of these two substances explains the difference in dissolving in water?masscolordensitysolubility
- 38. Multiple ChoiceOrtego, Mimi, Gerald, and Tarika are working on a presentation for science class. They want to demonstrate methods for separating mixtures and will bring the supplies needed for their demonstration. The chart shows the four methods that they can use.
If they use sugar water, which separation method should they use?evaporationfiltrationmagnetismsifting - 39. Multiple ChoiceWhich is a characteristic of solutions?Solutions are easily separated by particle size.Materials in a solution lose their individual properties.Materials in a solution are evenly mixed.A liquid and a solid are necessary to make a solution.
- 40. Multiple ChoiceA scientist wants to know if there are any grains of iron in a 30-gram mixture of sand and pebbles. What could she do to answer her question?use sifting to separate pebbles from the sandseparate the mixture by using flotationpass a magnet through the mixtureuse a magnifying glass to look for black grains
- 41. Multiple ChoiceWhich of the methods listed is NOT a good method for separating mixtures?siftingflotationdissolvingfiltration
- 42. Multiple ChoiceJocelyn and her friends put some raisins, nuts, and pretzels in a bowl to make a snack for their hiking trip. What does this snack represent?heterogeneous mixturehomogeneous mixtureheterogeneous solutionhomogeneous solution
- 43. Multiple ChoiceWhat physical property of matter is measured with a balance scale?volumemassdensityconductivity
- 44. Multiple ChoiceThe concentration of a mixture can be increased in which of the following ways?Heating the mixtureAdding more water “solvent”Adding more powder “solute”Stirring the mixture
- 45. Multiple ChoiceIn the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?
stir the powder in the liquidfreeze the mixtureadd more powder to the liquidstore the mixture in a dark place - 46. Multiple Choicesalt water is acompoundelementheterogeneous mixturesolution
- 47. Multiple ChoiceKool-Aid - Powder, sugar, and water
Identify the solventwaterpowdersugarpowder and sugar - 48. Multiple ChoiceLemonade - Water, lemon juice, and sugar
Identify the solutewaterlemon juicesugar and lemon juice - 49. Multiple ChoiceWhen a Koolaid mix in water is dark in color and very sweet it is a __________ solution.concentratedDiluted
- 50. Multiple ChoiceTo make a solute dissolve more quickly i n a solvent which would you do?Put it in cold water and stir itPut it in warm water and stir it
- 51. Multiple ChoiceWhat does it mean to be "Soluble" ?Capable of being a solid.To have soul.Capable of being dissolved.To sink.
- 52. Multiple ChoiceWhat does it mean to be "Soluble" ?Capable of being a solid.To have soul.Capable of being dissolved.To sink.
- 53. Multiple ChoiceWhich of the following would decrease the rate of solution when dissolving a solid in water?Raise the temperature of the solutionCrush the solid before mixingStir the solution after mixingUse a single cube of solid
- 54. Multiple ChoiceA way to increase the amount of sugar dissolved in tea is tocrush and coolcrush and leave alonecrush and heat
- 55. Multiple ChoiceWhich of the following will cause a lump of sugar to dissolve faster?chopping it into piecesstop stirring the wateradding more sugaradding cold water
- 56. Multiple ChoiceWhich of the following best separates a mixture of iron filings and black pepper?magnetfilter papertriple beam balancevoltmeter
- 57. Multiple ChoiceThe equipment shown at the right can be used to separate the parts of a mixture based onboiling pointsmelting pointmagnetismparticle size
- 58. Multiple ChoiceA mixture of water, sugar, and sand is poured into a filter. What passes through the filter?only the wateronly the sandwater and sugarwater and sand
- 59. Multiple ChoiceThe rate of solubility of a solid in a liquid can be increased bystirring the liquidusing larger solute particlescooling the liquiddecreasing the surface area of the solid
- 60. Multiple ChoiceWhich mixture separation method would use to separate sugar from water?filtrationmagnetboiling/evaporationsorting physically
- 61. Multiple ChoiceWhich of the following is NOT a mixture?sand, salt, and rocks in a buckettrail mix made with dried fruit,
nuts, chocolate drops, and
pretzelswater in a glassrocks and sand in the ocean - 62. Multiple ChoiceAnother example of a mixture isWater and oilCereal and MilkSand and waterAll of the above
- 63. Multiple ChoiceIf I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?20 grams0 grams27 grams10 grams
- 64. Multiple ChoiceTo separate trail mix what method should you use?filtrationsortingmagnetboiling
- 65. Multiple ChoiceHow would you separate the ingredients of mixture Z?WaterA magnetA sieveMy hands
- Answer choicesTagsAnswer choicesTags