Ips Quiz (Vocab. and random)
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Created by:
umballa123 on September 17, 2008
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19 terms
Terms | Definitions |
|---|---|
 observations | information obtained by the senses- often by direct measurement |
| Inference | a conclusion based upon known observations |
| Meniscus | the curved portion of a liquid when in a container. Must read the bottom of the meniscus- at eye level for proper measurement. |
| Hypothesis | A proposed solution to a scientific problem. It is written in the form of an "If,...Then,..." statement. |
| Control group | the group that is the standard for comparison in any experiment. |
| Experimental group | the group receiving the variable being tested. |
| Control factors | the variables that are held constant. They are the same for both the control group and the experimental group. |
| Independent Variable | the variable that is manipulated to observe changes in the dependent variable. It is controlled by the experimenter. (It is often time.) |
| Dependent Variable | the variable that is responding to the experimental treatment. It is not controlled by the experimenter. |
| Indicator | a substance used to show the presence of another substance |
| Volume | the amount of space something occupies. True of solids, liquids, and gases |
| Volume Displacement Techniques | quick and easy way to determine the volume of a solid or gas. |
| Mass | the amount of matter in a substance (true of solids, liquids, and gases) |
| Single Pan balance | measures mass |
| scale | measures weight |
| riders | weights on the single pan balance. Try to get it to balance out. |
| grams (g) | Proper units for labeling for mass |
| milli liters (mL), cubic centimeters (cm3) | proper units for labeling volume: |
| Incriments | little lines on cylinders |
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