Term
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Definition
| Disturbance carrying energy |
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Term
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Definition
| Matter that a waves travels through |
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Definition
| Particles in medium moves at a right angle in the direction the wave travels. |
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Definition
| Matter vibrates in the same direction of the wave. |
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Definition
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Term
| Another name for the speed of sound |
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Definition
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Definition
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Definition
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Definition
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Definition
| amount of energy carried by the wave |
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Definition
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Term
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Definition
| Number of waves passing per second |
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Term
| Frequency Range of human hearing |
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Definition
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Term
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Definition
| Velocity = Wavelength x Frequency |
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Term
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Definition
| wave strikes an object and bounces off of it. |
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Term
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Definition
| Can only travel through matter |
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Term
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Definition
| Amount of time it takes a wave to pass a point |
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Term
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Definition
| the angle of incidence is always equal to the angle of reflection. |
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Term
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Definition
| the bending of a wave caused by a change in speed moving from one medium to another. |
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Term
| Refraction of light in water |
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Definition
| causes objects to look closer to the surface then they really are. |
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Term
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Definition
| the bending of a wave around an object. |
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Term
| Constructive Interference |
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Definition
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Term
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Definition
| the waves subtract from each other as they over lap. |
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Term
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Definition
| type of wave pattern formed when waves with the same wavelength and amplitude that are traveling in opposite directions continuously interfere with each other. |
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Term
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Definition
| an object is made to vibrate by absorbing energy at its natural frequencies. |
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Definition
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Definition
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Definition
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Definition
| Amplifies the sound waves |
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Term
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Definition
| Hair cells vibrate when hit by sound waves sending electrical impulses to the brain. |
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Term
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Definition
| Spiral shaped structure in the inner ear that contains hair cells |
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Term
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Definition
| transmits sound from outer ear to inner ear |
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Term
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Definition
| send electrical impulses to the brain |
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Term
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Definition
| the amount of energy that passes through an area at a specific time. |
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Term
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Definition
| Human perception of sound volume |
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Term
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Definition
| Unit used to measure loudness |
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Term
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Definition
| how high or low a sound seems to be |
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Term
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Definition
| When a object travels faster then the speed of sound |
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Term
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Definition
the change in wave frequency due to the wave source moving relative to an observer
Ex: Car driving past a person its quite then loud then quite |
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Term
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Definition
| Regular pattern formed by specific pitches |
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Term
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Definition
| sound navigation and ranging |
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Term
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Definition
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Term
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Definition
| particular set of frequencies at which it vibrates |
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Term
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Definition
| Vibrations frequency is a multiple of the fundamental frequency. |
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Term
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Definition
| differences between sounds of the same pitch and loudness |
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Term
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Definition
| Vibrations that build up in a hollow chamber that amplifies sound when that air inside of it vibrates |
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Term
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Definition
| pulsing variation in loudness |
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Term
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Definition
| the smallest particle of an element that retains the elements properties |
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Term
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Definition
| small positively charged center of the atom |
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Term
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Definition
| particles with an electric charge of 1+ |
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Term
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Definition
| neutral particles, have no charge |
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Term
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Definition
| particles with an electric charge of 1- |
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Term
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Definition
| make up protons and neutrons |
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Term
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Definition
| electrons orbit like planets around the sun |
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Term
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Definition
| positive and negative charges floating around. Called the plum pudding model |
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Term
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Definition
| Credited for naming the atom |
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Term
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Definition
| Electrons move in waves around the neucleus |
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Term
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Definition
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Term
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Definition
| Number of protons plus neutrons |
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Term
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Definition
| average mass of all isotopes of an element |
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Term
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Definition
| number of protons plus neutrons |
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Term
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Definition
| same element with different number of neutrons |
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Term
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Definition
| rows on the periodic table |
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Term
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Definition
| designed the first periodic table |
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Term
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Definition
| Based position of elements on the atomic number |
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Term
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Definition
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Term
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Definition
| Shorthanded method of showing number of valence electrons |
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Term
| Group 1 on periodic table |
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Definition
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Term
| Group 2 on periodic table |
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Definition
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Term
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Definition
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Term
| Group 13 on Periodic table |
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Definition
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Term
| Group 14 on Periodic table |
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Definition
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Term
| Group 15 on Periodic table |
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Definition
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Term
| Group 16 on Periodic Table |
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Definition
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Term
| Group 17 on Periodic Table |
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Definition
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Term
| Group 18 on the Periodic Table |
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Definition
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Term
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Definition
| Easily bent or pounded into sheets |
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Term
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Definition
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Term
| Lanthanide and actinide series |
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Definition
| Bottom separated part of the table |
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Term
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Definition
| found along the stair step line of the table |
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Term
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Definition
to the right of the metalloids on the periodic table.
Brittle, dull luster, and poor conduction |
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Term
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Definition
| Electrons are transferred creating oposite charges which attract |
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Term
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Definition
| Force that holds atoms together in a compound |
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Term
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Definition
| an atom that has gained or lost electrons |
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Term
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Definition
| Indicates the elements in a compound and the ratio of those elements. H20 |
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Term
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Definition
| Force of attraction between atoms in a molecule that shares electrons |
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Term
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Definition
| using the decay of carbon-14 to determine the age of organic substances |
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Term
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Definition
| Electrons in outer level that are involved in reactions |
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Term
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Definition
| 3H2O <-The three in that chemical equation |
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Term
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Definition
| 3H2O <- The 2 in that chemical equation |
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Term
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Definition
| composed of two elements (metal and non-metal) |
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Definition
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Definition
| Ionic Compound that has water chemically attached to its ions |
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Term
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Definition
| A well defined example of a chemical change |
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Term
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Definition
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Term
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Definition
| what you get from equation |
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Term
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Definition
| Two or more substances combined to form a new substance |
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Term
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Definition
| a synthesis reaction in which oxygen reacts with a substance producing heat and light |
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Term
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Definition
| One substance breaks down into tow or more simpler substances |
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Term
| Single displacement reaction |
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Definition
| One element replaces another in a compound |
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Term
| Double displacement reaction |
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Definition
| A precipitate, water, or gas is formed when two ionic compounds in solution are combined |
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Term
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Definition
| solid that forms during double replacement that falls out of solution |
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Term
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Definition
| Gives off energy in the form of light, heat, sound |
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Term
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Definition
| Energy must be provided to make the reaction take place |
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Term
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Definition
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Term
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Definition
| Substance that speeds up a chemical reaction without it self being permanently changed |
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Term
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Definition
| Substance which prevents reactions |
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Definition
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Term
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Definition
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Term
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Definition
| Substance that dissolves the solute |
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Term
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Definition
| solution contains as much solute as possible at any given temperature |
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Term
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Definition
| solution contains more dissolved solute then it should at given temp |
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Term
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Definition
| if more solute is added it will dissolve |
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Term
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Definition
| Amount of solute that can be dissolved in 100g of solvent |
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Term
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Definition
| Amount of solute actually dissolved in 100g of solvent |
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Term
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Definition
| dissolves non polar compounds |
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Term
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Definition
| Dissolves polar and ionic compounds |
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Term
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Definition
| Substance that separates into ions or forms ions in water solution. Conducts electricity |
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Term
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Definition
| Both polar and non polar can be dissolved by both |
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Term
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Definition
| Positive and negative ions separating completely from one another |
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Term
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Definition
| Occurs when polar solvent pulls apart the molecules of the solute |
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Term
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Definition
| U.S Occupational safety and health admin |
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Term
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Definition
| Consumer Products Safety Commision |
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Term
| Organic Solvents is found in |
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Definition
| found in glue, paints, paint thinners, paint removers |
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Term
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Definition
| substance that produces H+ ions in solution |
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Term
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Definition
| formed when acid is dissolved in water |
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Term
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Definition
| an organic compound that changes color in the presence of acids and bases |
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Term
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Definition
| Sulfuric, nitric, Phosphoric, hydrochloric |
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Term
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Definition
| sour tase, electrolytes, corrosive |
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Term
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Definition
| substance that produces OH- ions in a solution |
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Term
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Definition
| crystalline solids, slippery solution, bitter taste, react with indicators, corrosive, electrolytes |
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Term
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Definition
| Calcium Hydroxide, ammonia, magnesium hydroxide, sodium hydroxide |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| determines strength of acid or base |
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Term
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Definition
| resists changes in ph scale |
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Term
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Definition
| reaction between acids and bases |
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Term
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Definition
| compound form during neutralization |
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Term
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Definition
| process of using a solution of known concentration to determine the concentration of other solutions |
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Term
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Definition
| organic salts made by soponification |
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Term
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Definition
| organic compound formed by the reaction of a organic acid with an alcohol |
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Term
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Definition
| made from organic acids that have two-cooh groups resulting in a polyester |
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Term
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Definition
| substances that form no ions in water and do not conduct electricity |
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Term
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Definition
| elements that are shiny, malleable, ductile, and good conductors of heat and electricity. |
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Term
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Definition
| nucleus breaks down and gives off particles of energy. |
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Term
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Definition
| consists of two atoms of the same element in a covalent bond |
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Term
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Definition
| a way to describe chemical reactions using chemical formulas and other symbols. |
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Term
| Balanced chemical equation |
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Definition
| same number of atoms of each element on both sides of the arrow. |
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Term
| Plane mirror characteristics |
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Definition
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Term
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Definition
| image that you brain perceives even though no light waves pass through that location of that image. |
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Term
| Concave Mirror characteristics |
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Definition
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Term
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Definition
| the point on the optical axis on which light rays that are initially parallel to the optical axis converge after they reflect off the mirror |
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Term
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Definition
| the distance from the center of the mirror to the focal point |
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Term
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Definition
| formed when light rays converge to form the image |
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Term
| Convex mirror characteristics |
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Definition
| mirror that curves outward |
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Term
| Convex lens characteristics |
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Definition
| thicker in the middle then at the edges |
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Term
| Concave lens characteristics |
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Definition
| thinner in the middle thicker at the edges |
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Term
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Definition
| transparent covering on you eyeball |
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Term
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Definition
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Term
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Definition
| uses mirrors and lenses to collect and focus light from distant objects |
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Term
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Definition
| uses lenses to gather and focus light from distant objects |
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Term
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Definition
| uses to convex lenses with relatively short focal lengths to magnify small, close objects |
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Term
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Definition
| What police use to measure the speed of cars |
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Term
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Definition
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Term
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Definition
| over 20,000 Hz cant be herd by humans |
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Term
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Definition
| made by vibrating electric charges |
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Term
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Definition
| a massless bundle of energy that behaves like a particle |
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Term
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Definition
| long wavelengths low frequencies. Photon have low energies. Used for medical imaging |
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Term
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Definition
| used for cell phones and satellite signals |
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Term
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Definition
| what thermal energy is transmitted to you as |
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Term
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Definition
| range of electromagnetic waves that you detect with your eyes |
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Term
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Definition
| electromagnetic waves that can enter cells making them both harmful and useful |
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Term
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Definition
| penetrate skin and soft tissue but not denser materials |
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Term
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Definition
| have high frequencies and high energy photons |
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Term
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Definition
| electromagnetic wave with specific frequencies that a station is assigned to |
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Term
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Definition
| the process of adding a signal wave to a carrier wave |
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Term
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Definition
| electric signals whose values change smoothly over time |
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Term
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Definition
| electric signal where there are only two possible values. on and off |
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Term
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Definition
| transmits one radio signal and receives another |
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Term
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Definition
| property of a material that indicates how much the speed of light is reduced compared to the speed of light in the vacuum. |
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Term
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Definition
| The Buoyancy force of an object is equal to the weight of the fluid displaced |
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Term
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Definition
| Pressure is transmitted unchanged through out a fluid |
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Term
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Definition
| fluid moves faster when forced to move through narrow spaces |
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Term
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Definition
| a fast moving stream of fluid has a low pressure |
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