- The force of attraction that pulls objects toward each other
- The force that one surface exerts on another when the two surfaces rub against each other
- a scientific procedure undertaken to make a discovery, test a hypothesis
- the factor the researcher manipulates (changes) in an experiment (the cause); plotted on the X-Axis
- The part that doesn't change during the experiment
- The plan for how you will conduct your experiment
- Answers the investigation question and is supported by the data collected
- The part of the experiment that you measure. Plotted on the Y-Axis
- Experimental group that does NOT get the independent variable; used for comparison
- A push or pull exerted on an object
- the force of repulsion (pushing) or attraction (pulling) between poles of magnets
- an idea (educated guess) that can be tested by experiment or observation