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Mr.Bloom semester 1

Mr. Bloom's Semester 1 vocab

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