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chapter1
Term | Definition |
---|---|
hypothesis | a statement of what you think will happen during an investigation. |
observation | is something you find out about objects, events or living things used by senses. |
experiment | the use of scientific methods to test your hypothesis. |
variable | something that can change in a test. |
control group | the group that doesnt get the special treatment |
procedures | step-by-step instructions for completing a task. |
data | information from which a conclusion can be drawn or a prediction can be made |
precision | is the bility |
accury | the ability to make a measurement that is close to the actual value as possible |
inferance | a conclusion based on obser |
evidence | observations that make you believe that something is true |
technology | is the knowledge, processes, and products that solve problems and make work easier |
models | objects or ideas that represent another thing |
survey | questions that are answered by people and great for opinion questions |
sampling | examining random individuals from the same population |
dependent variable | changes when independent variable changes its what gets measured and gives you data |
independent variable | where you have control of something |
experimental group | the groA mixture where substance spreads out evenly and will not settleup that gets the special treatment |
Mixture | Two or substances that mix together but each keeps its own identity |
Soultion |