Chemistry Unit 1 Word Scramble
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Term | Definition |
Density | The amount of matter in a given volume. |
Mixture | Two or more substances that are physically separable. |
Filter | Separation based on size. |
Distillation | Separation based on boiling point. |
Observations | Find problems. |
Hypothesis | Educated guess about the solution/cause of the problem. |
Experiment | Test your hypothesis. |
Independent variable | Scientist changes the variable. |
Dependent variable | Varies based on IV. |
Conclusion | Did hypothesis solve the problem? |
Theory | Supported by many conclusions. |
Law | Undisputed with no need of proof. |
Accuracy | How close you come to a specific value. |
Precision | Getting the same value over and over. |
Matter | Anything with mass and volume. |
Element | Matter made of 1 type of atom. |
Atom | Most basic unit of matter that still has the properties of the base elements. |
Compound | Matter made of 2 or more elements. No longer has the properties of the base elements. |
Molecule | Compound with a covalent bond. |
Formula unit | Compound with an ionic bond. |
Homogeneous | The same throughout. |
Heterogeneous | Forms layers, separates over time. |
Suspension | Mixture that separates over time. |
Colloid | Mixture that never settles. |
Solid | Definite shape, mass, and volume. Atoms vibrate and are very close together. |
Liquid | Indefinite shape. Definite mass and volume. Atoms roll or flow. |
Gas | Indefinite shape and volume. Definite mass. |
Plasma | Charged particles. Blood and star wars. |
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