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4th grade sci ch 1
Term | Definition |
---|---|
Experiment | the use of scientific investigation and reasoning to test possible answers to questions. |
Inquiry | the process of asking questions and searching for answers |
Tool | an object or device used to perform a task. |
Investigation | a careful way of looking for something |
Hypothesis | a possible answer to a question |
Observation | something you find out about objects, events, or living things using your senses and tools |
Two-dimensional | describes something that has length and width, but not height |
Variable | something that can change |
Procedure | a set of step-by-step instructions |
Evidence | observations and facts gained from expreriments |
Inference | a conclusion drawn from data and observations |
Three-dimensional | describes objects that have length, width, and height |