Scientific Method & Metric System
S. M. & Metric Measurements
Questions and Answers
- 1.
A series of logical steps that is followed in order to solve a problem is called the __________
- A.
Scientific method
- B.
Experimental Process
- C.
Scientific Theory
- D.
Model Method
Correct Answer
A. Scientific methodExplanation
The scientific method is a series of logical steps that are followed in order to solve a problem. It involves making observations, formulating a hypothesis, conducting experiments or gathering data, analyzing the results, and drawing conclusions. This systematic approach is used to investigate and understand natural phenomena and is widely used in scientific research and inquiry. The other options, experimental process, scientific theory, and model method, do not accurately describe the specific steps and procedures involved in the scientific method.Rate this question:
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- 2.
Which of the following steps to solve a problem must be completed first _____________________
- A.
Analyze Data
- B.
State a Hypothesis
- C.
Identify the Problem
- D.
Conduct Experiment
Correct Answer
C. Identify the ProblemExplanation
The first step to solve a problem is to identify the problem itself. Without knowing what the problem is, it is impossible to proceed with any further steps. Once the problem is identified, the other steps such as analyzing data, stating a hypothesis, and conducting experiments can be carried out in order to find a solution.Rate this question:
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- 3.
A factor in an experiment that can change is a(n)______________
- A.
Variable
- B.
Observation
- C.
Control
- D.
Hypothesis
Correct Answer
A. VariableExplanation
In an experiment, a factor that can change and is being manipulated or measured is called a variable. Variables can include independent variables, which are intentionally changed by the experimenter, and dependent variables, which are the outcomes or responses that are measured or observed. Variables are important in experiments because they allow researchers to investigate cause-and-effect relationships and determine the impact of certain factors on the results.Rate this question:
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- 4.
A good way to organize and record your experiment is using a ________
- A.
Calculator
- B.
Data Table
- C.
Hypothesis
- D.
Spring Scale
Correct Answer
B. Data TableExplanation
A data table is a good way to organize and record your experiment because it allows you to systematically collect and present data in an organized manner. It helps to keep track of different variables, observations, and measurements, making it easier to analyze and interpret the results. By using a data table, you can easily compare and contrast different sets of data, identify patterns, and draw conclusions from your experiment.Rate this question:
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- 5.
What does a Pascal measure ________?
- A.
Pressure
- B.
Solids
- C.
Liquid
- D.
Air
Correct Answer
A. PressureExplanation
A Pascal is a unit of measurement used to quantify pressure. It is defined as one newton per square meter, representing the amount of force exerted on an area. Therefore, the correct answer is "Pressure."Rate this question:
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- 6.
A meter measures ________________?
- A.
Liquids
- B.
Length
- C.
Volume
- D.
Solid
Correct Answer
B. LengthExplanation
A meter is a unit of measurement used to measure length. It is commonly used to measure the distance between two points or the size of an object. Liquids, volume, and solids can also be measured, but they require different units of measurement such as liters or cubic meters. Therefore, the correct answer is "Length".Rate this question:
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- 7.
The Joule is part of the metric system?
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The Joule is indeed part of the metric system. It is the unit of measurement for energy and work in the International System of Units (SI). The SI system is a decimal-based system of measurement used worldwide, and the Joule is one of its recognized units. It is defined as the amount of energy transferred when a force of one newton is applied over a distance of one meter. Therefore, the statement that the Joule is part of the metric system is correct.Rate this question:
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- 8.
What does a gram measure?
- A.
Distance
- B.
Pressure
- C.
Wieght
- D.
Energy
Correct Answer
C. WieghtExplanation
A gram is a unit of weight, commonly used to measure the mass or heaviness of an object. It is a metric unit of measurement and is equivalent to one thousandth of a kilogram. Therefore, the correct answer is "Weight" as grams are used to measure the weight of an object.Rate this question:
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- 9.
How can you abbreviate millilmeters?
- A.
Mm
- B.
Dag
- C.
Cm
- D.
Ms
Correct Answer
A. MmExplanation
Millimeters can be abbreviated as "mm".Rate this question:
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- 10.
How can you abbreviate milliigrams?
- A.
G
- B.
MG
- C.
Mg
- D.
Cg
Correct Answer
C. MgExplanation
Milligrams can be abbreviated as "mg".Rate this question:
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- 11.
How can you abbreviate dekagram?
- A.
Dag
- B.
Dg
- C.
Dg
- D.
G
Correct Answer
A. DagExplanation
The correct abbreviation for dekagram is "dag".Rate this question:
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- 12.
How much is a Liter worth in the metric system?
- A.
1
- B.
100
- C.
10
- D.
1000
Correct Answer
A. 1Explanation
In the metric system, a liter is worth 1. This is because the metric system is based on powers of 10, and a liter is defined as the volume of a cube that is 10 centimeters on each side. Therefore, 1 liter is equal to 1.Rate this question:
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- 13.
How much is a centi worth in the metric system?
- A.
.1
- B.
.01
- C.
1.0
- D.
100
Correct Answer
B. .01Explanation
In the metric system, a centi is a prefix that denotes one hundredth of a unit. Therefore, a centi is worth .01 in the metric system.Rate this question:
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- 14.
How much is a hecto worth in the metric system?
- A.
10
- B.
100
- C.
1000
- D.
1.0
Correct Answer
B. 100Explanation
A hecto is a prefix in the metric system that represents 100. Therefore, a hecto is worth 100 in the metric system.Rate this question:
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- 15.
If snails move faster on smoother plane, then a snail will move faster on glass than on sand.
- A.
Hypothesis
- B.
Experiment
- C.
Data
- D.
Conclusion
Correct Answer
A. HypothesisExplanation
The given statement presents a hypothesis, which is a proposed explanation or prediction based on limited evidence or observation. The hypothesis states that if snails move faster on a smoother plane, then a snail will move faster on glass than on sand. This hypothesis can be tested through an experiment where the speed of snails on both glass and sand is measured and compared. The data collected from the experiment will then be used to draw a conclusion about whether the hypothesis is supported or not.Rate this question:
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- 16.
What makes the pupil in the eye change size?
- A.
Experiement
- B.
Hypothesis
- C.
Question
- D.
Conclusion
Correct Answer
C. QuestionExplanation
The pupil in the eye changes size in response to the amount of light entering the eye. When there is bright light, the pupil constricts or becomes smaller to limit the amount of light that enters the eye. On the other hand, in dim light conditions, the pupil dilates or becomes larger to allow more light to enter the eye and improve vision. Therefore, the question of what makes the pupil in the eye change size is a valid inquiry into understanding the mechanism behind this physiological response.Rate this question:
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- 17.
Which color lights cause plants to grow more effectively?
- A.
Conclusion
- B.
Data
- C.
Hypothesis
- D.
Question
Correct Answer
D. Question -
- 18.
28 mL = ______ cL
- A.
2.8
- B.
.28
- C.
28
- D.
.028
Correct Answer
A. 2.8Explanation
The question asks for the conversion of 28 mL to cL. Since there are 10 centiliters (cL) in 1 liter (L), we can divide 28 mL by 10 to get the equivalent in centiliters. Therefore, 28 mL is equal to 2.8 cL.Rate this question:
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- 19.
8000dam = _______km
- A.
.8
- B.
80
- C.
8
- D.
80000
Correct Answer
B. 80Explanation
8000 decameters (dam) is equal to 80 kilometers (km). This is because there are 10 decameters in 1 kilometer. Therefore, to convert from dam to km, we divide the given value by 10. In this case, dividing 8000 by 10 gives us 80.Rate this question:
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- 20.
Which system of measurement is easier?
- A.
Customary
- B.
Metric
- C.
Galactic
- D.
Empire
Correct Answer
B. MetricExplanation
The metric system of measurement is easier than the customary system because it is based on units of 10, making conversions and calculations simpler. The metric system is widely used around the world and is more consistent and standardized compared to the customary system, which varies between countries. The metric system's use of prefixes also allows for easy scaling of measurements, making it more convenient for scientific and everyday applications.Rate this question:
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- 21.
What is the difference between a hypothesis and theory?
- A.
"Theory" is another word for "fact", hypothesis is another word for guess
- B.
Hypothesis can't be proven; theories can
- C.
Theories have been confirmed through tests; hypothesis haven't
- D.
Theories contain many hypotheses; a hypothesis only contains one theory
Correct Answer
C. Theories have been confirmed through tests; hypothesis haven'tExplanation
The explanation for the given correct answer is that theories have been confirmed through tests, while hypotheses have not. Theories are based on extensive research and evidence, and they have undergone rigorous testing to support their validity. On the other hand, a hypothesis is a proposed explanation or prediction that has not yet been tested or proven. It is a tentative assumption made in order to investigate a phenomenon. Therefore, the main difference between a hypothesis and a theory lies in the level of confirmation and evidence they possess.Rate this question:
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- 22.
What might cause a theory to change over time?
- A.
New laws passed by the government
- B.
New but untestable ideas
- C.
Changes in public opinion
- D.
The discovery of new evidence
Correct Answer
D. The discovery of new evidenceExplanation
Theories are based on existing evidence and knowledge, but as new evidence is discovered, it can challenge or contradict the existing theory. When new evidence is found, it may require the theory to be revised or even completely changed to accommodate the new information. This is because science is a constantly evolving field, and theories are not set in stone. The discovery of new evidence allows for a deeper understanding of phenomena and can lead to the development of more accurate and comprehensive theories.Rate this question:
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- 23.
Which units measure the same basic quantities?
- A.
Gallons and Liters
- B.
Gallons and Kilograms
- C.
Ounces and centimeters
- D.
Yards and feet
Correct Answer
D. Yards and feetExplanation
Yards and feet are both units of length and measure the same basic quantity, which is distance. They are commonly used in the Imperial system of measurement, with 1 yard being equal to 3 feet. Therefore, if something is measured in yards, it can also be measured in feet, and vice versa. Gallons and liters, on the other hand, measure volume, while ounces and centimeters measure weight and length respectively.Rate this question:
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- 24.
If a recipe calls for 3 and 1/4 cups of flour, you can tell that it's using:
- A.
The customary system
- B.
The metric system
- C.
Both the customary system and the metric system
- D.
Neither the customary nor the metric system
Correct Answer
A. The customary systemExplanation
The correct answer is the customary system. This is because the use of fractions, such as 1/4, is more commonly found in the customary system of measurement. In the metric system, measurements are typically expressed in decimals or whole numbers. Therefore, the presence of a fraction in the recipe indicates the use of the customary system.Rate this question:
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- 25.
Quantitative means to express something as a number.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The explanation for the given correct answer is that quantitative refers to the measurement or expression of something in numerical terms. It involves using numbers, data, and statistics to describe or analyze a particular phenomenon or concept. Therefore, expressing something as a number is a characteristic of quantitative analysis, making the statement "Quantitative means to express something as a number" true.Rate this question:
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Current Version
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Mar 18, 2023Quiz Edited by
ProProfs Editorial Team -
Sep 09, 2014Quiz Created by
Smaly93
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