Chapter 1 Study Guide



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Chapter 1 Study Guide




Enter the appropriate word(s) to complete the statement.



Use the illustration to help answer the following questions.







1. Label A shows the coal-burning electric _______________ plant.



2. Label C in the diagram shows _______________ which is necessary for growing microalgae indoors.



3. The _______________, labeled D, removes CO from smokestack gases.



4. Label B in the diagram shows the _______________ with microalgae.



5. Comparing what you already know about something with new information and then making a decision about whether you agree with the new information is called _______________ thinking.



6. A sample should be a(n) _______________ representation of the whole.



7. This diagram shows a _______________ study of three types of cereal.









Match each term with its description below.

a. 

inference

b. 

constant

c. 

observation

d. 

dependent variable

e. 

independent variable

f. 

prediction

g. 

conclusion







8. a statement about what will happen next in a sequence of events



9. the factor measured or observed during an experiment



10. a logical conclusion based on available information or evidence



11. the act of watching and recording what occurs



12. the factor in an experiment that is manipulated or changed by the investigator



13. the factors in an experiment that remain the same



14. either supports or does not support a hypothesis



Match each term with its description below.

a. 

hypothesis

b. 

technology

c. 

science

d. 

SI







15. use of knowledge to make products or tools that people can use



16. a system of units used by scientists that is based on units of ten



17. a prediction or statement that can be tested



18. a process used to solve a problem



Indicate the answer choice that best completes the statement or answers the question.



19. Algae are _____.

 

a. 

plantlike protists

b. 

fossils

 

c. 

non-living

d. 

found only in oceans






20. Which oil-producing microalgae did scientists predict would be more resistant to changes in temperature and salt content in the water?

 

a. 

algae found in shallow ponds

 

b. 

algae found in inland ponds

 

c. 

algae found in saltwater ponds

 

d. 

all of the above






21. Which of the following is NOT a branch of science?

 

a. 

life

b. 

Earth

 

c. 

biodiesel

d. 

physical






22. Which involves studying a small amount of something in order to learn about the larger whole?

 

a. 

bias

b. 

skepticism

 

c. 

sampling

d. 

none of these






23. A research hypothesis includes the original hypothesis, a method of testing it, and a(n) _____ that supports the hypothesis.

 

a. 

analysis

b. 

prediction

 

c. 

observation

d. 

conclusion






24. Which is NOT a result of scientific inquiry?

 

a. 

adding more branches of science

b. 

possible explanations for questions

 

c. 

technology

d. 

new materials






25. What should a scientist do first if a hypothesis is NOT supported?

 

a. 

more repetition

b. 

more testing

 

c. 

gather more info

d. 

modify and revise the hypothesis






26. Which group is the part of a controlled experiment where the independent variable does NOT change?

 

a. 

experimental group

b. 

control group

 

c. 

constant group

d. 

variable group






27. When you are skeptical of scientific issues in the media, what are you doing?

 

a. 

using critical thinking to question information presented

 

b. 

accepting the information as truthful

 

c. 

dismissing the information as false

 

d. 

using your bias to form opinions






28. Which of the following is a way that scientists communicate their results to others?

 

a. 

speak at a conference

 

b. 

write scientific articles

 

c. 

exchange information on the Internet






29. An explanation of observations of events based on knowledge gained from many observations and investigations is which of the following?

 

a. 

scientific law

b. 

scientific truth

 

c. 

scientific theory

d. 

scientific experiment






30. Which is needed to make microalgae-based biodiesel an affordable fuel alternative?

 

a. 

more government funding

 

b. 

available land near coal-burning power plants

 

c. 

more commercial biofuel companies

 

d. 

all of the above






31. One example of technology that is commonly used by scientists is ____.

 

a. 

computers

b. 

hypotheses

 

c. 

variables












32. When using living animals in scientific research, which of the following is especially important?

 

a. 

precision

b. 

bias

 

c. 

ethics












33. A prediction or statement that can be tested is ____.

 

a. 

a conclusion

b. 

an observation

 

c. 

a control

d. 

a hypothesis






34. Biodiesel is a fuel made primarily from which object?

 

a. 

non-living

b. 

rock-like

 

c. 














35. Which of the following describes a pattern or an event in nature that is always true?

 

a. 

scientific theory

b. 

scientific law

 

c. 

scientific experiment

d. 

scientific truth






36. Light rods are one method to bring light to microalgae. Which is an alternate method of bringing light to microalgae?

 

a. 

scrubbers

b. 

paddlewheels

 

c. 

thermometers

d. 

none of the above






37. How long ago did the U.S. Department of Energy begin funding the Aquatic Species Program to study methods of reducing CO pollutants?

 

a. 

1950s

b. 

1970s

 

c. 

1990s












38. Scientists analyze results by using which tool(s) to help recognize patterns?

 

a. 

graphing and tables

b. 

models and calculations

 

c. 

speaking at conferences

d. 

a and b only




Answer Key



1. power



2. Sun
sunlight



3. scrubber



4. pond



5. critical



6. random



7. blind



8. f



9. d



10. a



11. c



12. e



13. b



14. g



15. b



16. d



17. a



18. c



19. a



20. d



21. c



22. c



23. b



24. a



25. d



26. b



27. a



28. c



29. c



30. d



31. a



32. c



33. d



34. b



35. b



36. b



37. b



38. d




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