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Test #2- Integrated
Testable words for Unit II Exam - 7th/8th grade
| Question | Answer |
|---|---|
| A tentative answer to a problem. It HASN'T been tested... yet! | Hypothesis |
| A set-up designed to test a hypothesis. | Experiment |
| Observations collected during an experiment. | Data |
| Something that can change in an experiment. You must control ALL of these but the one independent _____ you are testing. | Variable |
| The reason why experimental results aren't EXACTLY like our predicted results. | Error |
| A relationship noticed by an increasing, linear graph. As one thing increases, so does the other. | Direct or Positive relationship |
| A relationship noticed by a decreasing, linear graph. As one thing INCREASES, the other DECREASES. | Indirect or Negative relationship |
| Part of your experiment that is maintained as close to normal conditions as possible. It is used for comparison. | Control group |
| The portion of your experiment where the independent variable has been changed. | Experimental group |
| A mixture that is the same throughout, like creamy peanut butter can be described as this. | Homogeneous |
| A mixture that is NOT the same throughout, like crunchy peanut butter can be described as this. | Heterogeneous |
| Pertains to water. An _______ solution is made using water. | Aqueous |
| Two or more components combined physically that are relatively easy to separate again. | Mixture |
| A mixture containing a solvent and a solute. | Solution |
| This word describes the amount of stuff in a place. For example, syrup has a higher sugar _____ than does Kool-Aid. | Concentration |
| This word describes a high and low concentration area, like a hill. | Gradient |
| The diffusion of water. | Osmosis |
| Movement of particles from a highly concentrated area to a low concentration area. | Diffusion |
| Describes a solution with MORE solutes than another. | Hypertonic |
| Describes a solution with LESS solutes than another. | Hypotonic |
| Describes a solution with the SAME amount of solutes as another. | Isotonic |
| Something than can be passed through is this. | Permeable |
| The thing in a solution that gets dissolved. | Solute |
| The thing in a solution that does the dissolving... usually it is water. | Solvent |
| A measure of the amount of matter in an object. We measure this using a balance. | Mass |
| A measure of the size of something in 3-dimensional space. We often use water-displacement in a graduated cylinder to measure this. | Volume |
| A ratio of the mass of a substance to the volume of the substance. You LOVE it! | Density |
Created by:
pspencer6132
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