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Science 9 MP1 Flashcards

AB
The first step in the scientific method is __________making observations
A statement that can be tested scientifically is known as ____a hypothesis
An explanation of whether or not data collected during an experiment supports the hypothesis is known as a(n) ___.conclusion
A highly probable, well tested, comprehensive explanation, usually for a large collection of observations, is known as a ___.scientific theory
Which of the following would have been tested the most? Hypothesis, conclusion, or theorytheory (scientific theories have been tested many times by many people in many different ways)
Name the four parts of a scientific paper in the order that they appear.Introduction, Methods and Materials, Data Section, Analysis and Conclusion
When stating your hypothesis in the introduction of a scientific paper, you also have to ____explain the scientific reasons you have for making that hypothesis
In which section of a scientific research paper should you briefly summarize how you will do the experiment?In the introduction (the procedure is described in detail in the Methods and Materials section)
What are two things that are usually found in the Data Section of a scientific research paper?Data tables and graphs
In an experiment to see which type of fertilizer causes plants to grow the fastest, the growth of the plant is the __________ variable.dependent (the growth of the plant depends on the type of fertilizer)
In an experiment to see which type of fertilizer causes plants to grow the fastest, the type of fertilizer is the _____ variable.independent (the fertilizer does not depend on the growth of the plant)
In an experiment to see which type of wax allows snowboards to glide the fastest, the results would be best graphed with a _____ graphbar graph (since the type of wax would be on the x-axis and it doesn't involve a measured quantity with inbetween values, a bar graph is best)
In an experiment to see how many miles per day it is best to run when training for cross country races, the best type of graph to use would be a _____ graphline graph (since there would be different numbers of miles per day being tested, such as 2,4,6,8 and 10 miles per day, as the independent variable on the x-axis, a line graph can help you predict the inbetween values (like 1,3,5,7,9))
What should always be included in the labels of the x and y axes on a graph?The units of measurement in parentheses, for example, (cm) for centimeters
If the data you collect in a study was recorded as a percentage (for example, the percentage of people who study 2 hours per day, versus 1 hour, 1/2 an hour, 10 minutes or less, etc.) what type of graph should you use to best show the comparison of percentages?Pie graph
What should you do at the very beginning of a conclusion section?Start out by restating your purpose, question and hypothesis
What should you always include in a conclusion section to back up your claims?A discussion of specific facts and figures from your data section that supports your conclusion.
At the end of a conclusion section, what should you always discuss?Possible sources of error, ways to improve the procedures, and follow-up research that needs to be done.
The variable that is changed by the researcher before an experiment starts (such as the amount of water a plant will be receiving) is known as the ____ variable.independent
The variable that is measured during the experiment to determine the results (such as the height that a plant grows during the experiment) is known as the ______ variabledependent
In a controlled experiment there is only one ______independent variable.
For an experiment to be considered "controlled" there must be exactly _____ independent variable(s).one
If a drug company was trying to find out whether a new medicine kept you from getting sick, half of the test subjects would get the medicine and the other half would get a fake pill but not know they were getting a fake pill. This last group would be considered the _____ group.control group
In an experiment to test the best method for treating AIDS, 1000 people got a drug called AZT, 1000 people got AZT plus interferon, and a third group of 1000 got a sugar pill that they thought was medicine. What is the sample size in this study?1000 (remember, the sample size is the number of test subjects used in one group during one trial)
In a plant experiment, 50 plants got 10 mL of water per day, 50 plants got 20 mL per day, and 50 plants got 30 mL per day. After the experiment was finished, it was repeated once to see if similar results could be obtained. How many trials were conducted?Two (the test was run start to finish once and then it was repeated once more)
A good title for a graph that shows how different amounts of water affect the growth of plants would be ___.The effect of different amounts of water on plant growth
The calender year in this graph is written down along the ___ axis, X axis
The dependent variable in this graph is ____., the number of closings and advisories (remember, the dependent variable is always written on the y-axis)
The precipitation in this graph is written along the ____ axis, y-axis (remember that the y axis always points toward the sky)
Another word for the independent variable is ________ variable.manipulated
Another word for the manipulated variable is ________ variableindependent
Another word for the dependent variable is ________ variableresponding
Another word for the responding variable is ________ variable.dependent
Another word for the controlled variables is _________.constants
Another word for the constants is ________ variablescontrolled
The plant in the windowsill has five flowers is an example of _____ data.quantitative
The information that you gather in your experiment is called your ____.data
The science that seeks to understand the living world is called ___.biology
A logical interpretation based on prior knowledge and experience is called a(n) ____.inference
Data that is recorded as descriptions is called ____ dataqualitative
Data that is directly measured and recorded as a number is called ____ data.quantitative
The following two statements are about the same man. Which of the two statements is an observation and which is an inference? A) The man was tired. B) The man's heartrate was 140 beats per minute.Statement A was an inference, while statement B is an observation. Usually, people whose heartrates are high are tired, but the man could have also just received a big fright.
Who makes decisions on what to do based on scientific data (for instance, what to do when scientists say that certain types of pollution cause global warming)?You, the voter. Scientists only make recommendations and politicians only listen to people who vote.
Observations you make about something where you cannot directly observe the phenomena (such as viewing dinosaur bones to learn about dinosaurs) are called ________ observations.indirect
Taking temperature readings at weather stations around the world to learn about whether the Earth is warming is an example of ____ observations.direct
Based on his _____, Redi made the prediction that keeping flies away from meat would prevent the appearance of maggots.hypothesis
In science, a(n) ____ is a well-tested explanation that unifies a broad range of observations.theory
A highly probable, well-tested, comprehensive explanation, usually for a large collection of observations, is known as a scientific ___.theory
In an experiment to see which type of fertilizer causes plants to grow the fastest, the growth of the plant is the __________ variable.responding (The growth of the plant responds tp the type of fertilizer. This variable is also known as the dependent variable))
In an experiment to see which type of fertilizer causes plants to grow the fastest, the type of fertilizer is the _____ variable.manipulated (The type of fertilizer applied is manipulated by the scientist to see what effect the different types will have on the responding variable, which is how much the plants grow. This type of variable is also known as the independent variable))
The variable that is changed by the researcher before an experiment starts (such as the amount of water a plant will be receiving) is known as the ____ variable.manipulated (a.k.a. - independent variable)
The variable that is measured during the experiment to determine the results (such as the height that a plant grows during the experiment) is known as the ______ variableresponding (a.k.a. - dependent variable)
In a controlled experiment there is only one ______manipulated (a.k.a. independent) variable.
For an experiment to be considered "controlled" there must be exactly _____ manipulated variable(s).one
In an experiment where you are trying to find out how bright indoor grow lights should be in order to cause the best plant growth, things like temperature, the amount of water, and the type of soil used need to be ____.controlled variables (held constant for all groups)
After an experiment, data is analyzed to conclude whether the ____ was supported or refuted.hypothesis
Scientific theories are ____ -tested.well
Another name for the manipulated variable is the _______ variable.independent
Another name for the responding variable is the _______ variable.dependent
Another name for the independent variable is the _______ variable.manipulated
Another name for the dependent variable is the _______ variable.responding

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