RSM Chp. One
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| science | is the study of the natural world.
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| observing | means using one or more senses to gather information.
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| inferring | explain your observation based on resoning from what you already know.
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| predicting | means making a forecast of what will happen in the future based on past experience or evidence
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| chemistry | is the study of the properties of matter and how matter changes
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| physics | is the study of matter, energy, motion, and forces, and how they interact.
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| scientific inquiry | refers to the different ways scientists study the natural world.
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| hypothesis | is a possible answer to a scientific question or explanation for a set of observations.
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| parameter | is a factor that can be measured in an experiment
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| manipulated variable | one variable parameter is purposely changed
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| responding variable | the variable that is expected to change because of the manipulated .
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| controlled experiment | an investigation in which only one parater is manipulated at a time.
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| data | are the facts, figures, and other evidence gathered through observation
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| communicating | is sharing ideas and conclusions with other through writing and speaking.
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| model | is a picture, diagram, computer image, or representation of an object or process
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| scientific theory | is a well-tested explanation for a wide range of observation or experimental results
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| scientific law | is a statement that describes what scientists expect to happen every time under a particular set of conditions
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| SI | An expanded metric system called International System of Units to measure length, volume, mass, density, temperature, and time.
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| weight | is a mesure of the force of gravity on you
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| mass | is a measure of the amount of matter an object contains
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| volume | is the amount of space an object takes up....measured by length times width times height or by water displacement
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| meniscus | the top surface of the water in the graduated cyclinder
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| density | is mass per unit volume
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| Celsius scale | There are exactly 100 degrees between the freezing point and boiling of fwater.
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| Kelvin scale | is the SI unite of temperature and same size as those on the Celsius scale
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| absolute zero | is the temperature at 0 degrees Kelvin on the Kelvin scale
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| estimate | is an approximation of a number based on resonalbe assumptions.
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| accuracy | referes to how close a measurement is true or actual value
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| significant figures | in a measurement include all of the digits that have been measured exactly, plus one digit whose value has been estimated.
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| precision | is a measure of the exactness of a measurement
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| graph | reveal patterns or trends that words and data tables cannot by bar graphs, circle graphs, and line graphs
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| horizontal axis | or x-axis is the graph line that runs left to right
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| vertical axis | or y-axis is the graph line that runs up and down.
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| origin | the point where the two axes cross.
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| coordinate | is a pair of numbers used to determine the position of a point on a graph
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| data point | the point showing the location of that intersection
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| line of best fit | is a smooth line that reflects the general pattern of a graph
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| linear graph | a line graph in which the data points yield a straight line
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| slope | on a linear graph is the steepness of the graph line. Rise over run tells you how much y changes for every change in x.
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| nonlinear | a line graph in which the data points do not fall along a straight line
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| reproducibility | referes to how close a group of measurements are to each other
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
gayledains
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