Physical Science, Measurement, and Scientific Method
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| Question |
 |
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| Answer |
|
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| mass |
The amount of matter in an object |
| weight |
A measure of the force of gravity |
| kinetic energy |
Energy of motion |
| spring scale |
The tool used to measure force |
| newton (N) |
The basic metric unit of measure of force |
| physical science |
The study of matter and energy |
| chemistry |
The study of matter and its changes |
| physics |
The study of forces and energy and how they affect matter |
| matter |
Anything that occupies space and has mass |
| gravity |
A force of attraction of the earth for a given object, or of one mass to another |
| energy |
The ability to do work or cause change |
| Law of Conservation of Energy |
Energy cannot be created or destroyed, but can change from one form to another |
| balance |
The tool used to measure mass |
| kilogram (kg) |
The basic metric unit of measure of mass |
| length |
The measure of the distance from one end to the other end of an object |
| meter stick |
A tool used to measure length |
| meter (m) |
The basic metric unit of measure for length |
| volume |
A measure of the amount of space occupied by an object |
| graduate |
A tool used to measure volume |
| liter (L) |
A basic metric unit of measure of volume |
| meniscus |
The curved surface found at the top of a contained liquid |
| scientific method |
A process used for gathering evidence that leads to understanding |
| observation |
An examination of something using your senses |
| hypothesis |
A possible answer to a problem and a statement the can be tested |
| experiment |
A controlled procedure designed to test a hypothesis with measurable results |
| data |
Carefully documented results of an experiment that are analyzed and used to draw a conclusion |
| conclusion |
A statement that proves if the data supports the hypothesis |
| control group |
The group in which all of the variables remain the same |
| experimental group |
The group in which one variable has been changed |
| infer |
The process of drawing conclusions based on experience and prior knowledge |
| variables |
The factors that can influence the outcome of an experiment |
| independent variable |
(manipulated variable) The variable that is deliberately changed by the experimenter (x-axis) |
| dependent variable |
(responding variable) - The variable being measured and observed; the outcome or responding |
| constant variables |
(constants or controlled variables) - The variables that remain the same throughout the |
|
mr. charles11
