Ch. 1 Vocabulary Review.

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Presentation transcript:

Ch. 1 Vocabulary Review

Procedure The step by step instructions that tell how to perform an experiment.

Dependent Variable The outcome of the experiment or the factor you measure to determine whether your hypothesis was correct or not.

Kilo Prefix used to mean 1000 meters, liters, or grams.

Triple Beam Balance Tool used in lab to measure mass

Thermometer Tool used in lab to measure temperature

Spring Scale Tool used in lab to measure force

Graduated Cylinder Tool used in lab to measure volume

Metric Ruler Tool used to measure length

Kelvin SI unit for temperature.

Hypothesis An “educated” or your “best guess” to the outcome of an experiment.

Qualitative Data or observations that usually use the five senses to observe such as color, feelings, touch, appearance, etc.

Celsius Unit commonly used by scientists for temperature.

Independent Variable The single isolated factor you are testing in an experiment. (hint: “I” change it)

Meter SI unit used to measure length.

Constant Anything that must be kept the same in an experiment for the test to be valid or fair.

Quantitative Data or observations that can be expressed as an amount or number.

Control group The part of the experiment that is used for comparison. Does not contain the independent variable.

Theory A hypothesis that has a lot of support to back it up and is yet to be disproved.

Law Explains how something occurs in nature and seems to always be correct.

Liter SI unit used for measuring liquid volume.

Gram Unit used in lab to measure mass.

Experimental Group Part of the experiment that contains the independent variable. The “test” group.

Newton SI unit of weight.

Milli Unit that means one thousandth (1/1000) of a meter, liter or gram.