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8TH BOY REVIEW
Fletcher's 8th Beginning Of Year Review
| Term | Definition |
|---|---|
| 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
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