Quiz
Chapter 1 Test
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Perguntas do quiz (27)
1This is a false or fake science, a system of beliefs that looks like it is based on scientific ideas but actually doesn't employ or obey the simplest rules of science itself.
- AExperimentation
- BHypothesis
- CTheory
- DDogma
- EPseudoscience
2You are conducting a political survey in a neighborhood and decide that after randomly selecting a start point, you will sample every 15th house on the street. What type of sampling will you be using for this survey?
- ASystematic
- BSimple randoms
- CCluster
- DInterval
- ENon-random
3This is a single assertion, a proposed explanation of something based on available knowledge, for something yet to be explained, one that is subject to further experimentation.
- APseudoscience
- BNatural Law
- CDogma
- DTheory
- EHypothesis
4A theory that is so well-confirmed, refined, and tested as to be virtually universally accepted is known as:
- AExperimentation
- BValidity
- CPseudoscience
- DHypothesis
- ENatural Law
5If you are measuring daily plant growth, which might be an appropriate tool to use to collect those measurements?
- AA ruler with inches
- BA ruler with millimeters
- CA meter stick
- DA measuring tape
- EA quadrat
6When is the best time to consider what analysis to examine your data with?
- AAfter all the data has been collected
- BDuring the experiment when you know better what your data will look like
- CBefore you even begin collecting data
- DAfter you have run a few analysis trials
- EIt will be obvious once you have collected your data so you won't need to make this decision
7Successful analysis of your data will be influenced by which factor(s)?
- AUsing an appropriate storage software
- BRunning appropriate statistical tests
- CUsing an appropriate analysis software
- DYour methods of data collection
- EAll are correct
8The density of mercury is 13.6 g/mL. What is its density in lbs/L? (Hint: 1 lb = 0.454 kg
- A30.0 lbs/L
- B30,000 lbs/L
- C14.7 mL
- D6.17 lbs/L
- E6,170 lbs/L
9If you are driving at a speed of 55.0 miles per hour, then what is your speed in meters per second? (Hint: 1 mile = 1,600 meters.)
- A2.06 meters/second
- B124 meters/second
- C84,400 meters/second
- D1,470 meters/second
- E24.4 meters/second
10Use dimensional analysis to convert 4 days into seconds.
- A96 seconds
- B20,736,000 seconds
- C14,400 seconds
- D345,600 seconds
- E5,760 seconds
11What are the two key points of simple random sampling?
- AEach individual must be removed from the population after sampling; each sample is independent of the others.
- BEach sample is independent of the others; each individual has the same chance of being sampled.
- CNo two individuals have the same chance of being sampled; each sample is dependent on the others.
- DStart points must be randomly selected; each sample is selected at a predetermined interval.
- EThe population is split into groups, each group is randomly selected for sampling.
12Which best describes a population?
- AAll of the individuals sampled from various strata
- BA sub-set of a larger group of individuals
- CAll of the clusters that are sampled
- DAll of the individuals being studied
- ENone are correct
13When is it appropriate to include symbols or formulas when presenting data from scientific investigations?
- AWhen there are mathematical relationships in the data
- BWhen the data is qualitative, such as describing the appearance of a tumor
- CWhen the data requires a specific level of expertise to understand
- DWhen the data is only available to certain individuals in the community.
14Which of the following is required for all presentations of data in scientific investigations?
- APictorial representations
- BReferences
- CGraphs
- DFormulas and symbols
15Which of the following would be good to include when presenting data from a scientific investigation about structures in the body?
- APictorial representations of the body structures referenced
- BA line of best fit
- CMathematical equations of the body parts
- DA scatter plot
16What is precision (or reproducibility) in a science experiment?
- AHow close to being correct your data is.
- BHow close together your measurements are.
- CHow much you avoid mistakes in your experiment.
- DHow good you are at using science equipment.
- EAll answers are correct
17You complete an experiment where you measure the height of the kitchen table. Later, a scientist comes in with an incredibly accurate laser scanner, and tells you that the real height is 0.9 meters. Which of the following sets of data is the most ACCURATE?
Dataset 1: 0.9, 1.1, 0.7, 0.6, 1.2, 0.9, 1.0, 0.8, 0.7, 1.1
Dataset 2: 0.4, 0.2, 0.8, 0.9, 0.5, 0.1, 0.3, 0.9, 0.8
Dataset 3: 1.2, 1.2, 1.3, 1.2, 1.3, 1.2, 1.2, 1.3, 1.2- ADataset 1
- BDataset 2
- CDataset 3
- DDatasets 1 and 2 are equally accurate
18
You complete an experiment where you measure the height of the kitchen table. Later, a scientist comes in with an incredibly accurate laser scanner, and tells you that the real height is 0.9 meters. Which of the following sets of data is the most PRECISE or REPRODUCIBLE?
Dataset 1: 0.9, 1.1, 0.7, 0.6, 1.2, 0.9, 1.0, 0.8, 0.7, 1.1
Dataset 2: 0.4, 0.2, 0.8, 0.9, 0.5, 0.1, 0.3, 0.9, 0.8
Dataset 3: 1.2, 1.2, 1.3, 1.2, 1.3, 1.2, 1.2, 1.3, 1.2- ADataset 3
- BDataset 2
- CDataset 1
- DDatasets 1 and 2 are equally precise.
- EDatasets 2 and 3 are equally precise.
19Which of the following best defines the term Observation?
- AA witnessed and recorded event.
- BAn educated guess.
- CA thought or an idea.
- DPoor documentation of an event.
20Which of the following statements about scientific theories is wrong?
- ATheories are simple suggestions made on a whim by curious people.
- BTheories can be changed if new evidence arises.
- CTheories are used to explain why natural phenomena occur.
- DTheories are based on sets of hypotheses.
21What is another name for scientific law?
- APrinciple.
- BSet of hypotheses.
- CModel.
- DData
22The area of a rectangle can be found by multiplying its length by its width. What is the area of a rectangle that is 5.6 cm in length and 9.24 cm wide?
Report your answer with the correct number of significant figures.- A50 cm^2
- B51.7 cm^2
- C51.74 cm^2
- D51.744 cm^2
- E52 cm^2
23An empty container has a mass of 62.000 grams. You fill it with 24.6 mL of a liquid. The final mass of the container is 81.34 grams. What is the density of the liquid to the correct number of significant figures?
(density of the liquid = mass of the liquid divided by the volume of liquid)- A0.79 g/mL
- B0.786 g/mL
- C1.27 g/mL
- D0.7862 g/mL
- E1.272 g/mL
24Simge's guinea pig weighs exactly 560. grams. Which of the following most accurately expresses the weight of Simge's guinea pig in scientific notation?
- A5.6 x 10^-2
- B56.0 X 10^1
- C5.60 x 10^-2
- D5.6 x 10^2
- E5.60 x 10^2
25What does it mean to assess potential safety risks in your experiment?
- AYou identify all of the things that can go wrong
- BYou inform your staff where the first aid kit is located
- CYou train your staff how to use a fire extinguisher
- DYou clean your workspace
- EAll are correct
26Which of the following is NOT a step of the scientific method that supports scientific investigation?
- AAnalyze data and draw conclusions
- BFormulate a hypothesis
- CState a question
- DPublish the results
27Which of the following describes a scientific investigation?
- AA systematic process that involves using measurable observations to formulate, test, or modify a hypothesis
- BA proposed explanation for some observed phenomenon, based on experience or research
- CA quest to find the answer to a question using the scientific method
- DAll of the answers are correct
Informações
- Descrição
- Science Quiz sobre Chapter 1 Test, criado por Livia Cerna em 08-04-2020.
- Autor
- Livia Cerna
- Idioma
- English
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