PS Semester II
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Fossil Fuels | fuels that are formed from decaying remains of ancient plants and animals
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| Nonrenewable Resources | fuels that cannot be replaced by natural process as quickly as they are being used
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| Renewable Resources | fuels that can be replaced as quickly as they are used
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| Nuclear Reactor | where nuclear reactions happen
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| Nuclear Fission | splitting U-235 nuclei to produce energy
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| Hydroelectricity | produced by moving water
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| Tidal Energy | produced by waves
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| Wind Energy | produced by wind
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| Geothermal Energy | contained in magma
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| Biomass | renewable organic material that can be used to produce energy
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| Wave | disturbance that carries energy
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| Medium | material through which a wave travels
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| Transverse Wave | the medium moves at right angles to the direction the wave is traveling
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| Compressional Wave | mater vibrates in the same direction as the wave
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| Crest | the top part of a wave
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| Trough | the bottom part of a wave
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| Amplitude | amount of energy carried by a wave
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| Wavelength | distance between wavelength
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| Frequency | number of waves passed by per a second
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| Fm | frequency modulation
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| Am | amplitude modulation
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| Plane Mirror | mirror with a flat surface
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| Convex Mirror | mirror curves outwards
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| Convex Lens | lens is thicker in the middle thin at edges
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| Concave Mirror | mirror curves in
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| Concave Lens | thinner in the middle thicker at the edges
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| Substance | definite composition
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| Element | one kind of atom
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| Compound | two or more
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| Mixture | variable composition
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| Homogeneous Mixture | evenly spread out
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| Heterogeneous Mixture | unevenly mixed
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| Solution | largest particles, unevenly spread out, particles settle
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| Colloid | never settles, largest particles, scatters light
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| Chemical Bond | force that holds atoms together in a compound
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| Ionic Bond | electrons are transferred creating opposite charges which attract
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| Ion | an atom that has gained or lost and electron
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| Covalent Bond | force of attraction between atoms in a molecule that share electrons
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| Polar Molecule | electrons shared unevenly
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| Nonpolar Molecule | electrons shared unevenly
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| Toxic | poisonous
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| Corrosive | "to tear up"
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| Volatile | evaporates easily
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| Binary Compound | composed of two elements
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| Hydrate | ionic compound that has water chemically attached to ti's ions
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| Period | T-inverse of frequency
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| Resonance | vibrations that build when objects are forced to vibrate at their natural frequencies
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| Pitch | human perception of sound frequency based on frequency highness or lowness of sound
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| Loudness | human perception of loudness of sound
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| Sonar | sound navigation and ranging
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| Music | a regular pattern formed by using specific pitches and sound quality
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| Noise | no set pattern or pitch
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| Overtones | multiples of the frequency
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| Cogulation | process of destroying the colloid structure of pollution particles
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| Physical Property | characteristics of a material that you can observe without changing the material itself
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| Physical Change | change in appearance without a change in identity
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| Chemical Property | characteristics of a material that tells if it can go over certain chemical changes
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| Chemical Change | a change of one substance into a different substance
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| Combustion | a synthesis reaction in which a substance reacts with oxygen to produce energy in the form of heat and light
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| Decomposition | one substance breaks down into two or more
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| Single Displacement Reaction | one element replaces another compound
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| Precipitate | a solid that is formed in a reaction
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| Catalyst | substance that speeds up a chemical reaction without itself being always charged
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| Enzyme | a catalyst in the body which makes body reactions go quickly
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| Inhibitor | substances which prevent reactions
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| Plasma | gas-like mixture of charged particles
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| Pressure | force spread out over an area
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| Isotope | same element with a different number of nuetrons
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| Reflection | waves striking an object and bouncing off
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| Refraction | bending of waves caused by a change in speed when moving from one medium to another
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| Alloy | solid solution
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| Solute | substances being dissolved
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| Solvent | substances that dissolves the solute
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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