Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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In a covalent bond two atoms combine by ______________ electrons.
a. | sharing | b. | stealing | c. | giving | d. | taking |
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2.
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An ionic bond is an attractive force between two ions of ______ charge.
a. | opposite | b. | similar | c. | strong | d. | weak |
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3.
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Which of the following macromolecules is not a
polymer? a. | carbohydrates | b. | lipids | c. | nucleic
acids | d. | proteins |
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4.
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What does the term “homeostasis”
mean?
a. | made up of one or more cells | b. | maintain a stable internal environment | c. | obtain and use material and energy | d. | as a group, change over time |
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5.
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Both a fast-moving stream and a dog respond to the
environment and grow and develop, but this characteristic of life is why a dog is considered alive
and a fast-moving stream is not...
a. | the ability to move. | b. | being made of cells. | c. | the ability to
grow and develop. | d. | the ability to
change over time |
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6.
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A word to describe change over time is:
a. | evolution | b. | metabolism | c. | homeostasis
| d. | stimulus |
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7.
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Two atoms that share electrons are held together by a(n) ______.
a. | hydrogen bond | b. | ionic bond | c. | bond, james
bond | d. | covalent bond |
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8.
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Which feature of water explains why water has its unique properties?
a. | water diffuses into cells | b. | water is a polar molecule | c. | water’s
resistance to temperature changes | d. | water expands when it
freezes |
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9.
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Which of the following applies to a water molecule?
a. | Water is a nonpolar molecule. | b. | Water molecules have a negatively charged end
and a positively charged end. | c. | The atoms in water are bonded by ionic
bonds. | d. | The weak bond between two water molecules is a covalent
bond. |
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10.
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What property or properties of water allow it to move 10 meters from the
roots of a tree to its leaves.
a. | adhesion only | b. | cohesion only | c. | both adhesion and
cohesion |
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11.
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 Figure 2What type of bond
occurs between the two different water molecules, labeled A in Figure 2? a. | hydrogen | b. | polar covalent | c. | nonpolar
covalent | d. | ionic |
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12.
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 Figure 2What type of bond
occurs between the hydrogen and oxygen atoms on a single water molecule, labeled B in Figure
2? a. | hydrogen | b. | polar covalent | c. | nonpolar
covalent | d. | ionic |
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Multiple Response
Identify one
or more choices that best complete the statement or answer the question.
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13.
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Which of the following characteristics of living
things best explains why birds fly south for the winter?
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Matching
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Match the term with its correct definition. a. | compound | d. | isotope | b. | element | e. | mixture | c. | ion | f. | solution |
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14.
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charged particle
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15.
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combination of substances in which the individual components retain their own
properties
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16.
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mixture in which one or more solutes are distributed evenly in a
solvent
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17.
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a substance that cannot be broken down into simpler chemical substances
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18.
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a substance that is composed of atoms of two or more elements that are
chemically combined
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Match the macromolecule with its function, description, and example.
a. | carbohydrates | c. | nucleic acids | b. | lipids | d. | proteins |
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19.
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used by cells to store cellular information in the form of a code
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20.
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used by organisms for insulation
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21.
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are the major components of the membranes that surround all living
cells
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22.
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used by cells to carry out cell metabolism
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23.
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examples include fructose, glucose, and sucrose
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24.
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made up of amino acids
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25.
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most consist of fatty acids bonded to a glycerol molecule
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26.
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examples include DNA and RNA
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27.
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commonly called fats and oils
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28.
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used for muscle movement
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29.
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made up of nucleotides
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30.
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used by cells to provide structure for tissues and organs
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31.
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stores energy for the cells
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32.
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made up of monosaccharide
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Match the characteristic of life with its definition. a. | made up of one or more cells | e. | reproduce | b. | based on a
universal genetic code | f. | respond to the environment | c. | obtain and use material and energy | g. | maintain a stable
internal environment | d. | grow and develop
| h. | as a group, change over time |
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33.
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Which of the following characteristics of living
things best explains why birds fly south for the winter?
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34.
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Which of the following characteristics of living
things best explains why humans sweat when they get hot?
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35.
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Which of the following characteristics of living
things best explains why your legs and arms get longer and stronger as you get older?
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36.
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Before a big soccer game Charlie always eats a big
dinner. Which characteristic of life does this fact best describe?
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37.
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Which of the following characteristics of living
things is very important for a group or organisms, but not a single organism?
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Read the following descriptions and determine if they describe a scientific
hypothesis, scientific theory, or a scientific law.
a. | hypothesis | b. | theory | c. | law |
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38.
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a phenomenon of nature that has been proven to invariably occur whenever
certain conditions exist or are met
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39.
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accepted knowledge that applies in a variety of circumstances to explain a
specific set of phenomena
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40.
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refined explanation supported by many different experiments
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41.
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scientific problem that can be tested by further investigation
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42.
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describes that a natural phenomenal will happen
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43.
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testable explanation for a natural phenomenon
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44.
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explains why a natural phenomenon occurs
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45.
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a tentative explanation for an observation
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46.
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generally known to be true
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Determine if the statement applies to
scientific theories.
a. | This statement applies to scientific theory. | b. | This statement does
NOT apply to scientific theories. |
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47.
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theories are inferred explanations, strongly supported by evidence
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48.
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laws are more important than theories
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49.
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theories can include personal beliefs or opinions
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50.
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theories are incomplete, temporary ideas
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51.
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theories are “hunches” scientists have
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52.
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theories have been tested many times
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53.
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theories are used to make predictions
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54.
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theories include observations
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55.
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a theory never changes
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Determine if the statement applies to a scientific
hypothesis.
a. | Describes a hypothesis. | b. | Does NOT describe a
hypothesis. |
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56.
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a question asked at the beginning of an investigation
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57.
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a prediction about the outcome of an investigation
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58.
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developed from imagination and creativity
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59.
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eventually becomes a theory, then a law
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60.
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used to prove whether something is true
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61.
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a statement that can be tested
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62.
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may guide an investigation
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63.
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an educated guess
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 Figure 1a. | solute | b. | solution | c. | solvent |
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64.
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What is A in Figure 1?
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65.
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What is B in Figure 1?
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66.
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What is C in Figure 1?
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Match the term with its definition. a. | hydrogen bond | d. | solution | b. | nonpolar covalent
molecule | e. | solute | c. | polar covalent
molecule | f. | solvent |
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67.
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equal distribution of charge in a molecule
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68.
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dissolves in a solvent
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69.
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dissolves other substances
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70.
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unequal distribution of charge in a molecule
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Match the property of water with the appropriate example. a. | adhesion | d. | water does not mix with nonpolar substances | b. | cohesion | e. |
ice is less dense than liquid water | c. | high specific
heat |
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71.
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Small insects are able to walk across water without sinking.
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72.
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Allows water to bulge atop a penny.
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73.
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Creates the meniscus in a graduated cylinder.
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74.
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You can ice fish on a lake in the middle of winter.
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75.
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Water provides a stable temperature for animals living in the oceans.
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