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- 1. Multiple Choice
Dr. Smith reads two research papers that present different conclusions about the same question. He knows the researcher who wrote Paper A, but does not know the authors of Paper B. When asked which paper he thinks has more merit, Dr. Smith replies, “Paper A.” Because of Dr. Smith's connection to some of the researchers, he could be exhibiting
inference.
bias.
observation
skepticism
- 2. Multiple Choice
Testing hypotheses often involves designing experiments. Which of the following is the factor that is observed and measured in an experiment?
independent variable
experimental group
dependent variable
control group
- 3. Multiple Choice
After her run, Aisha felt thirsty. Thirst was her body’s way of telling her she needed more water to maintain _____.
growth
metabolism
development
homeostasis
- 4. Multiple Choice
Tamar is talking about evolution with a friend. The friend says, “It’s just a theory, so I don’t believe it. When they prove it and it becomes the law of evolution, then maybe I’ll change my mind.” Which of these possible replies best describes scientific principles or the work of scientists?
Scientific theories do not become scientific laws; they are explanations for natural phenomena based on evidence.
Science always finds the right answer; the answers that scientists and researchers discover never change.
He should be wary of science because it is based on research and evidence, not bias and opinion.
Scientists take each other at their word regarding experimental results, and the public should, too.
- 5. Multiple Choice
Camille notices that the leaves of her pothos plant are drooping this morning. The leaves were not droopy yesterday. She decides the plant needs to be watered. What had Camille just done?
calculated the probability of the plant’s ability to survive without water
devised a controlled experiment about the effect of water on plant leaves
formed a hypothesis based on quantitative data she has collected
made an inference based on past experience and observation
- 6. Multiple Choice
Which of the following statements about science is accurate?
Science deals with the investigation of supernatural events and creatures.
Science is a list of beliefs and facts that is constant and unchanging.
Science is the process of finding evidence that supports what you already think.
Science involves collecting and organizing data about the natural world.
- 7. Multiple Choice
Dr. Sanchez and her team have observed an unusual star in the Andromeda galaxy. Their data suggests that the star is being consumed by a nearby black hole. They write a scientific paper about their work and submit it to a scientific journal. Other scientists read their paper and look for the unusual star as well. The other scientists are participating in which of these activities?
developing a hypothesis
developing a theory
peer review
data collection
- 8. Multiple Choice
Michael’s grandmother is taking part in an experiment to determine how well a new headache medication works. In this experiment, the people in Group A are taking the new medication. The people in Group B, including Michael’s grandmother, are taking a pill that does not contain the new medication. In this experiment, what is Group B?
Group B is the dependent variable.
Group B is the independent variable.
Group B is the control group.
Group B is the experimental group.
- 9. Multiple Choice
Much evidence has been discovered to support biological theories such as cell theory and germ theory, and no evidence has been found to prove these theories incorrect. Which statements are true about theories in general? Select all the answers that apply.
Theories may become scientific law.
Theories are broad and useful explanations for how the world works.
Theories are accepted as absolute truth in the scientific community.
Theories are dynamic and complex, and constantly subject to revision.
- 10. Multiple Choice
Science began out of humankind’s natural curiosity to understand and explain the interactions and processes of the natural world. Science aims to use these explanations to understand patterns in nature, as well as to address issues that face the natural world and human society. Which statement BEST reflects the efforts of scientists in pursuing the goals of science?
Scientists make observations and conduct experiments in order to establish facts.
Scientists attempt to resolve questions of belief with scientific facts.
Scientists review and revise current explanations when new evidence arises.
Scientists emphasize data that support their hypotheses and ignore data that does not.
- 11. Multiple Choice
Scientists’ understanding of viruses has advanced greatly in the last fifty years. Which statements give evidence to support the classification of viruses as nonliving? Choose all the statements that apply.
Viruses are made up of proteins, nucleic acids, and sometimes lipids.
Viruses do not respond to changes in the environment around them.
All viruses are parasites and depend entirely upon living cells for their existence.
Viruses must infect living cells in order to reproduce.
- 12. Multiple Choice
In biology, the different areas of study are connected and overlap in various ways, with concepts that cut across all disciplines. Which pair of crosscutting concepts are BEST exemplified when birds fly south when winter comes to the United States, and north when spring arrives? Choose one.
stability and change; scale, proportion, and quantity
systems and system models; scale, proportion, and quantity
patterns; cause and effect
energy and matter: flows, cycles, and conservation; patterns
- 13. Multiple Choice
Biologists have certain criteria that must be met if something is to be considered living. All living things are made up of cells and have ___________, which carries the genetic code.
metabolism
DNA
evolve
stimuli
homeostasis
- 14. Multiple Choice
Living things also ___________, either sexually or asexually.
reproduce
DNA
evolve
stimuli
homeostasis
- 15. Multiple Choice
The chemical reactions of __________ help an organism use materials and energy to stay alive.
reproduce
metabolism
evolve
stimuli
homeostasis
- 16. Multiple Choice
Living things respond to ___________, signals that come from within or from the environment.
reproduce
metabolism
evolve
stimuli
homeostasis
- 17. Multiple Choice
Most organisms maintain a stable internal environment and the process by which they do this is ___________.
reproduce
metabolism
evolve
stimuli
homeostasis
- 18. Multiple Choice
Living things can also change over time, or ___________.
reproduce
metabolism
evolve
stimuli
homeostasis
- 19. Multiple Choice
Good scientists are ___________ about the world and make careful observations.
creative
evidence
hypotheses
curious
skeptics
- 20. Multiple Choice
Although they must be ___________, they should be willing to change their minds ideas when the evidence demands it.
creative
evidence
hypotheses
curious
skeptics
- 21. Multiple Choice
Good scientists are also __________ when proposing hypotheses and designing experiments.
creative
evidence
hypotheses
curious
skeptics
- 22. Multiple Choice
Good scientists are curious about the world and make careful _____________________.
creative
evidence
hypotheses
curious
observations
- 23. Multiple Choice
Although they must be skeptics, they should be willing to change their minds ideas when the ___________ demands it.
creative
evidence
hypotheses
curious
skeptics
- 24. Multiple Choice
Good scientists are also creative when proposing ________________ and designing experiments.
creative
evidence
hypotheses
curious
skeptics
- 25. Multiple Choice
Decide if the statement applies only to science, only to engineering, or to both:
develop and use models
only science
only engineering
both science and engineering
- 26. Multiple Choice
Decide if the statement applies only to science, only to engineering, or to both:
redesign prototype
only science
only engineering
both science and engineering
- 27. Multiple Choice
Decide if the statement applies only to science, only to engineering, or to both:
make observations
only science
only engineering
both science and engineering
- 28. Multiple Choice
Decide if the statement applies only to science, only to engineering, or to both:
construct an explanation
only science
only engineering
both science and engineering
- 29. Multiple Choice
Decide if the statement applies only to science, only to engineering, or to both:
use mathematics
only science
only engineering
both science and engineering
- 30. Multiple Choice
Decide if the statement applies only to science, only to engineering, or to both:
brainstorm design solutions to problem
only science
only engineering
both science and engineering
- 31. Multiple Choice
1 meter equals
100 cm
100 mm
10 cm
0.01 cm
- 32. Multiple Choice
1 meter equals
100 mm
1000 mm
0.001 mm
0.01 mm
- 33. Multiple Choice
1 kilogram equals
100 g
1000 g
1000 mg
0.01 g
- 34. Multiple Choice
1 gram equals
100 mg
1000 mg
0,1 mg
0.01 mg
- 35. Multiple Choice
1 Liter equals
100 cm3
10 cm3
0.001 cm3
1000 cm3
- 36. Multiple Choice
The freezing point of water is
0o C
32o C
100o C
212o C
- 37. Multiple Choice
The boiling point of water is
0o C
32o C
100o C
212o C
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