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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 |