1. Properties of Matter Review for Quiz #3 (notes 11-14)

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Is birdseed a solution? No
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What is a special kind of mixture where all the parts are blended together called?
A solution
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Is salad a solution? No
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5. What is the part of a solution that comes in the greatest amount?
solvent
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Is trail mix a solution? No
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7. What is the part of a solution in the smaller amount?
solute
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8. Is salt-water a solution?
Yes
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9. What is the universal (most common) solvent?
Water
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10. Is Windex glass cleaner a solution?
Yes
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11. What is the term for when something has the ability to be dissolved?
Solubility
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Is koolaid a solution?
Yes
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13. When is a solution considered concentrated?
When the solute is greater than the solvent.
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Is tea a solution?
Yes
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15. When is a solution considered diluted?
When the solvent is greater than the solute.
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Is coffee a solution?
Yes
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What must increase in order for heat to cause a solute to dissolve faster?
temperature
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18. Name three examples of solutions
Coffee, tea, broth (clear soup with nothing in it but liquid), Kool Aid, salt water, Windex cleaner
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What can you do to sugar granules in order to make sugar dissolve faster?
Crush them into a powder
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To get some salad dressings or medicines to mix before you use them, what must you do to the bottles?
Stir the parts together or give them a good shake
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True or False: If you have to shake up your medicine, it is a solution?
False- if you have to shake up the parts in order to get them to stay together, then it is not a solution
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22. True or False: All mixtures are solutions?
False- solutions are just one type of mixtures
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23. True or False: All solutions are mixtures?
Yes – because they are made up of 2 or more particles
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True or False: In a solution, you can see the particles that make it up because they are large?
False- the particles are usually so small, you can’t see them. You know they are there because they keep their properties, but they have blended so well it seems as if one disappears in the other
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25. How do the particles in a solution differ from other mixtures?
The particles are so small that they can’t be seen because they are so spread evenly throughout the mixture
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You order some tea from Hardees and it way too sweet. Is this mixture concentrated or diluted AND how do you know?
It is too concentrated with sugar because it is too sweet. If you want to fix it, dilute it with water (add water) and it will lessen the sweetness of the sugar.
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Grandma fixes you some Kool Aid but she put way too much water in it. Is this mixture concentrated or diluted AND how do you know?
Since it is very watery, it has more water (solvent) than it does Kool Aid (solute).
This means the mixture is diluted.
To make it taste better, add more Kool Aid mixture
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After you mix a powder into a beaker of water and stir it, you notice the powder settles at the bottom of the beaker. Is this mixture concentrated or diluted AND how do you know?
It’s concentrated since there is more solute (powder) than the solvent (water) can hold, part of the solute settles to the bottom of the beaker.
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29. How can smoke from factories pollute the air?
There are chemicals in the smoke that gets released into the air causing air pollution. This smoke can also mix with water droplets in the air to form a weak acid, which when it fall down as rain can pollute our soil and water.
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