Online Study Guide
Instructions
1) You
do not need to type in your name in the space in the top-left area above. The results of this study
guide will not be sent to your teacher.
2) Carefully read each question and all the answer
choices.
3) Select the correct letter from the drop-down feature to the left of each
question.
4) When you are finished, click the “Check Your Work” button in the
bottom-left corner of the page.
5) The software will grade your work, and then it will show
you the results. Note that the correct answer will be displayed beneath the questions.
6)
Keep doing the study guide over until you earn a 100 on it.
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1.
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SPI 0807.9.4 (Mixtures or Compounds)
Stephanie was thirsty and decided to prepare some lemonade.
She combined lemon juice, water, and sugar in a glass pitcher.
Which of the following statements best describes how she can know if this
drink is a mixture or compound?
a. | It is a mixture because she can separate all of the individual
ingredients | b. | It is a compound because it tastes different after you add in the sugar.
| c. | It’s a mixture because a reaction occurred when the ingredients were
combined. |
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2.
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SPI 0807.9.4 (Mixture or
Compound)
Which substance is a mixture?
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3.
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SPI 0807.9.4 (Mixtures or Compounds)
A
combination of water and sugar and Kool-Aid powder is best classified as a mixture
because...?
a. | These 3 items mix together, but no chemcial reaction
occurs. | b. | both the water and sugar are in the same state of
matter. | c. | a new product is formed when the Kool-Aid and water is
combined. |
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4.
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SPI 0807.9.4 (Mixtures or
Compounds)
A student
stirs together salt crystals and sugar crystals. The crystals are the same size and color.
Together the salt and sugar make a...?
a. | compound. | b. | molecule. | c. | mixture. |
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5.
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SPI 0807.9.4 (Mixtures or
Compounds)
Which of the following statements best contrasts mixtures
and compounds?
a. | Mixtures are not the result of a chemical
reaction.
Compounds are the result of a chemical reaction. | b. | Mixtures only appear in liquid form.
Compounds have multiple boiling
points. | c. | Mixtures are the result of combing two or more reactive
elements together.
Compounds are pure elements. |
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6.
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SPI 0807.9.4 (Mixtures or Compounds)
Compare and contrast mixtures and compounds.
a. | Compare: Both contain
reactants and products.
Contrast: Mixtures-has chem reactions. Compounds-no chem
reactions | b. | Compare: Both contain matter made of atoms.
Contrast: Compounds-no chem reactions,
Mixtures-has chem reactions. | c. | Compare: Both contain more than one type of substance
Contrast: Mixtures-no chem reactions,
Compounds-has chem reactions. |
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7.
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SPI 0807.9.4 (Mixtures or
Compounds)
A scientist
examined a combination of two substances. She was able to separate these two substances by
pouring this combination through a filter and into a flask. Afterwards, she observed a pink liquid in
the flask, and small brown particles trapped in the filter.
Was this combination a compound or a mixture?
a. | Mixture because the solid and the liquid chemically reacted with each
other. | b. | Mixture because the parts
could be fairly easily separated. | c. | Compound because the two substances did not
chemically react with each other. |
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8.
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SPI 0807.9.4 (Mixture or Compound)
How
can I be certain that milk, blood, and Coke are mixtures and not compounds?
a. | Each of these items can be
easily separated back into their ingredients | b. | Milk, blood, and Coke are all manufactured in
factories | c. | The primary ingredients for each of these items is a compound
(H2O-Water) |
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9.
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SPI 0807.9.4 (Mixtures or
Compounds)
Which of these IS NOT a mixture?
a. | salt water in a glass jar | b. | baking soda and vinegar poured
together | c. | iron filings in sand from a beach |
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10.
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SPI 0807.9.4 (Mixtures or
Compounds)
Which of these combinations of substances is a
compound?
a. | blood | b. | table
sugar | c. | chicken soup |
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