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- 1. Multiple Choice
A mixtures is a combination of two or more____________ in which no new kinds of matter are formed.
substances
parts
leaves
pebbles
- 2. Multiple ChoiceSand and clay is an example of a mixture of solids.TrueFalse
- 3. Multiple ChoiceIs blood a mixture?NoYes
- 4. Multiple Choice
In some special mixtures called solutions, the physical properties of the ingredients ___________ when they are mixed together.
stay the same
change
glow
evaporate
- 5. Multiple Choice
The air around us is a mixture of gases.
True
False
- 6. Multiple Choice
Lemonade is a special mixture called a
substance
solution
plasma
ingredient
- 7. Multiple ChoiceA solution is a mixture of one or more substances _________ evenly into another substance.dissolvedevaporatedcarriedsplit
- 8. Multiple ChoiceCoffee is asolutionmixture
- 9. Multiple ChoiceA fruit salad is asolutionmixture
- 10. Multiple ChoiceTo dissolve in water.solubilitydensitymixtureevaporation
- 11. Multiple ChoiceA combination of rocks and water is an example ofA mixtureA solutionDissovling
- 12. Multiple ChoiceSalt dissolves in water like ----Pepper dissolves in waterSugar dissolves in waterRocks dissolve in waterSeeds dissolve in water
- 13. Multiple Choice
A student collects seashells at the beach. Ms. Kessler will not allow the student to take any sand on the bus. If the student wishes to take the seashells home he must separate the seashells from the sand. Which of the following would be most helpful when trying to separate the sand from the sea shells?
hot plate
water
sieve
magnet
- 14. Multiple ChoiceA mixture of aluminum and steel can best be separated by ________________.adding waterusing a sievedensitya magnet
- 15. Multiple Choice
47 grams of salt is dissolved in 700 mL of water. How much salt will remain after the water is evaporated?
653 grams
47 grams
0
747 grams
- 16. Multiple ChoiceStudents are conducting an experiment with salt water. A large quantity of sand is added to the container of salt water. What do you expect to observe?The salt floats to the top of the container.The sand dissolves.The sand settles to the bottom of the container.The salt and sand combine to form a solid.
- 17. Multiple ChoiceSusan prepares a mixture of oil, lemon juice, and water as a salad dressing. Why will she have to shake the mixture before pouring over her salad?The lemon juice is more dense than the water and oil.The oil is less dense than the water and lemon juice.The water, lemon juice, and oil will form layers.The lemon juice and oil will combine to form a solid.
- 18. Multiple ChoiceIf Billy were stranded on an island surrounded by the ocean he could satisfy his fresh water needs by ____________.filtering the ocean water to remove the salt.evaporating the water from the ocean and collecting the fresh water.digging in the sand.Billy doesn't really need fresh water.
- 19. Multiple Choice
A glass beaker contains 100 milliliters of water into which 5 grams of salt was stirred. Which item should be used to separate this particular mixture?triple beam balancehot platepaper filtermagnet - 20. Multiple ChoiceWhat change happens when water mixes with sugar?The appearance of the sugar changesthe shape of the water changesthe taste of sugar changesthe state of water changes
- 21. Multiple ChoiceA fifth grade class has collected empty cans for recycling. They have several large bins with aluminum and steel cans, all mixed together. The two types of cans must be separated. Which of the following techniques could the students use to separate the two types of cans?Place the cans in water, and the aluminum cans will floatCrush the cans to make them easier to carryTest the cans for their ability to conduct electricityUse a magnet to find and remove the steel cans
- 22. Multiple ChoiceA combination of two or more substances.mixturesolutionboth a mixture and a solutionthis isn't possible
- Answer choicesTagsAnswer choicesTags