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Science Chapter 1
Chapter 1
Term | Definition |
---|---|
Hypothesis | A statement of what you think will happen during an investigation. |
observation | Something you find out about objects, events, or living things by using your senses. |
experiment | The use of scientific methods to test your hypothesis. |
variable | Something that can change in a test. |
control group | the group that doesn't get special treatment |
procedures | Step by step instructions for completing a task. |
Models | Objects or ideas that represent other things |
survey | questions that are answered by people. great for opinion questions. |
Independent variable | A variable you can control |
Dependent variable | A variable that changes when a independent variable changes |
sampleing | examining random people from the population |
Experimental group | The same as the control group except it does get special treatment |
data | Information from which a conclusion can be draw and predictions can be made |
precision | the ability to always repeat a measurement. |
accuracy | the ability to make a measurement that is as close to the actual values as possible. |
inference | a conclusion based observations. |