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Fletcher's 8th Beginning Of Year Review

Producer Organisms that make their own food from sunlight or thermal energy
Consumer Organisms that cannot make their own food so they must get it from other sources
Primary Consumer On a food chain these organisms would be the first ones to eat a producer
Herbivore Organisms that can only eat plants
Photosynthesis A process by which green plants turn sunlight energy into stored chemical energy
Organic Compound a compound in which the molecules contain Carbon linked to Hydrogen, Nitrogen or Oxygen
Physical changes Changes to an object that do not change it's chemical structures
Chemical changes Changes to an object as a result of chemical reactions like rust
Element A substance in which all the atoms are the same type
Compound A substance made of 2 or more different Elements chemically bonded
Luster A property of metals which allow them to become shiny
Malleability A property of metals which allows them to be pounded into thin sheets like aluminum foil
Metalloid A group of elements with properties of both Metals and Non-Metals
Density A value derived by taking an objects Mass and dividing it by its volume
Grams The unit in science for measuring Mass
Liters The unit in science for measuring Liquid volume
Work A force applied that moves an object in the direction of the applied force and is represented by the formula force x distance
Potential Energy Energy stored by position or shape like a rock at the top of a hill or an elastic band that is stretched
Kinetic Energy Energy of motion
Speed the sum total of distance traveled divided by the time it took
Energy The ability to do physical work represented by units called joules
Thermal The type of energy measured with a thermometer
Inclined Plane The scientific name for a ramp
Line Graph The type of graph used to show motion
Force A push or a pull that may cause acceleration
Water shed Areas of land that separate waters flowing to different rivers, basins or seas.
Sinkhole A cavity or empty space under ground caused by water erosion of limestone.
Gravity The force that holds all the planets & moons in their orbits
Jupiter The most massive planet in our Solar system
Biodiversity The variety of living things in an area
Ecological Succession The orderly way in which an ecosystem returns after it has been damaged or destroyed
Pioneer Species The first living things in an area that has been covered by lava
Natural Selection The elimination of certain unhelpful traits over time with out human interference
Skin The largest organ in the human body
Circulatory system The body system that moves blood throughout the body
Homeostasis The process of the Human body that maintains the bodies proper balance.
Respiratory system The body system responsible for gas exchange
Budding A type of asexual reproduction in which dots of the organism grow out and fall off
Fission A type of asexual reproduction in which an organism can be divided and the two separate pieces each become separate organisms
Prokaryote Single celled organisms in which the cell does not have a nucleus
Mitochondria The organelle in a cell responsible for converting stored chemical energy into energy for the cell
Cytoplasm The liquid in which cell organelles are suspended allowing them to move about the cell
Cell Membrane The phospholipid bilayer that surrounds a cell
Vacuole The cell organelle responsible for storing water in both plant and animal cells
Created by: coach_fletcher