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Last nine week exam

Terms in this set (32)

Latitude
Number of degrees by which a place is north or south of the equator
Longitude
Number of degrees by which a place is east of west of the prime meridian
Atom
Smallest part of an element
Chemical symbol
Short name of way of writing an element
Element
Substance made up of only one kind of atom
Molecule
Smallest part of a substance that has all the chemical properties of that substance
Chemical formula
Short-hand way of writing the name of a compound
Earthquake
Sudden, strong movement of the earths crust
Scientific Method
To learn how the natural world works
Hypothesis
Is a proposed explanation for the way a particular aspect of the natural world functions
Prediction
Is a statement that forecasts what would happen in a test situation if the hypothesis was true
Cohesion
Single substance held together by hydrogen bonds
Cell wall
Is a rigid layer that lies outside the cells plasma membrane
Chloroplast
Use the light energy to make carbohydrates from carbon dioxide and water
cell membrane
Helps maintain homeostasis
Hypotonic
When the concentration of solute is lower on the side of the membrane in question than the other
Hypertonic
When the concentration of solute molecules outside the cells is higher and the concentration in the cytosol, the solution outside is hypertonic
Isotonic
The concentrations of the solutes outside and inside the cell are equal, the outside solution is isotonic
Evaporation
The change of a substance from a liquid to a gas
Transpiration
Process by which plants give off water vapor into the air
Condensation
Changing of gas to liquid
Hurricane
Are small violent storms
Meter
Basic SI unit of length
Liter
Basic metric unit of volume
Photosynthesis
The process by which a cell captures energy in sunlight and uses it to make food
Data
Facts and statistics collected together for reference or analysis
volcano
A vent in Earth's crust through which molten rock flows
Mitochondria
Powerhouse of the cell
water cycle
The continuous movement of water from the ocean to the atmosphere to the land and back to the ocean
Subscript
A number written to the right of the chemical symbol and slightly below it
Adhesion
An attraction between molecules of different substances
Epicenter
Point on Earth's surface directly above an earthquake's focus
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