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5th grade sci. Ch 1
Question | Answer |
---|---|
experiment | the use of scientific investigation and reasoning to test a hypothesis. |
researach | study of a variety of reference materials about a subject |
model | abject or idea that shows how something s constructed or how it works |
hypothesis | statement of what you think will happen during an investigation |
variable | something that can change in a test |
observation | something you find out about objects, events, or living things using your senses |
evidence | observations that make you believe something is true |
procedure | step-by-step instructions for completing a task |
independent variable | the variable that you control |
data | information from which a conclusion can be drawn or a prediction can be made |
dependent variable | the variable that changes when the independent variable changes |
inference | a conclusion based on observations |
control group | a standard against which change is measured |