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Mr.Bloom semester 1
Mr. Bloom's Semester 1 vocab
| Question | Answer |
|---|---|
| Model | representation or explaination of something that shows how it looks or works. |
| collaboration | working together |
| consensus | everyone agrees |
| PHEOC | Problem- state the problem ............. Hypothesis- make an educated guess ...........Experiment- test of the hypothesis.......... Observe- analyze data........ Conclusion- answer hypothesis( might have to start over) |
| siphon | tube that moves liquid using gravity |
| conceptual model | math,words, or drawings to explain how something works or is built |
| physical model | real model that can be tested |
| circuit | unbroken pathway that electricity flows through |
| switch | device that opens and closes a circuit |
| axle | rod connecting wheels |
| bering | device that allows axle to turn |
| friction | force that resists motion |
| design # 1 | product- plan for making something(n) |
| design # 2 | process of figuring out how to make something(v) |
| engineers | people who design things |
| wheel | a disk that turns around a central axis |
| traction | friction between wheels and a surface |
| matter | anything that -takes up space & has mass |
| atoms | smallest unit of matter |
| molecules | atoms combined together |
| element | substance with one type of atom |
| atomic # | number of protons in the nuclues |
| thermal energy | total energy of the particles that make up matter |
| heat | flow of energy from warmer to cooler matter |
| temperature | average motion of the particles of an object |
| Water boils at ___ degrees F. and ___ degrees C. | 212 F. & 100 c. |
| Water freezes at ___ degrees F. and ___ degrees C. | 32 F. & 0 C. |
| melting | solid becoming a liquid |
| freezing | liquid becoming a solid |
| evaporation | liquid becoming a gas |
| condensation | gas becoming a liquid |
| solute | a substance that is dissolved |
| solvent | substance that dissolves other materials |
| dilute | describes a solution with a small amount of solute compared to the amount of solvent |
| concenrated | decribes a solution with a large amount of solute compared to the amount of slvent |
| reactant | a substance that overgoes a chemical reaction often by combining with another substance |
| product | the substance that is formed in a chemical reaction |
| exothermic reaction | a chemical reaction in which more energy is given off than taken in |
| endothermic reaction | a chemical reaction in which more energy is taken in than given off. |
| formula | arrangement of symbols that shows both the kinds and number of atoms in a compound |
| chemical equation | an arrangement of symbols and formulas used to show what happens during a chemical reaction |
| acid | a compound that releases hydyogen ions in water |
| base | a compound that releases hydroxide ions when dissolved in water |
| pH scale | a set of numbers between 0 and 14 used to measure the strength of acids and bases |
| indicator | a substance that changes color at a certain range of pH values |
| neutralization | a process in which an acid and a base react to produce a salt and water |
| chemical reaction | process in which new substances with new properties form |
Created by:
Anna-Banana
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