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SCIENCE 14
terms
| Term | Definition |
|---|---|
| WHMIS | Workplace Hazardous Material Information System ; Provides information on first aid and the storage handling and disposal of any chemical found in the workplace. |
| WHMIS Symbols | Dangerously Reactive |
| Cell | The smallest unit of life |
| Organ | Two or more tissues combined together to perform a specialized role |
| Solute | Dissolves to form a solution |
| Solution | Made of two or more substances |
| Solvent | solute dissolves to form a solution |
| using solute, solution, and solvent together | solvent + solute = solution |
| Soluble | substance that will dissolve |
| insoluble | substance that will not dissolve |
| pure substance | only one type of particle |
| mechanical mixture | more than one type of particle is visible |
| concentration | amount of solute present in a solution |
| acids | turns blue litmus paper red also less than 7 |
| pH scale | how acidic or basic substances are also 0-14 |
| acid rain | pH lower than 5.6 |
| corrosion | the wearing away of materials by a chemical reaction. rust |
| test with litmus paper | changes colou depending on the substance being tested. different colours depending on the pH of the distance. |
| convection | involves current |
| conduction | involves content |
| radiation | involves electromagnetic waves |
| land breeze | flows from the cool land out to the warmer (cool land -warmer land) |
| sea breeze | cool wind that blows from a cool ocean toward the warmer land (cool-warmer land) |
| robert brown | first person to notice that particles jiggle faster as they are heated |
| friction | two surfaces rubbing together |
| r - value | how well insulation slows heat transfer - higher values mean less heat transfer |
| radiators | a thing that radiates or emits light, heat, or sound |
| hot air vents | an exit, escape, or passage |
| simple machines | involves only one movement |
| inclined plane | sloping surface, such as a ramp, switchback, or a screw |
| wedge | separate two objects, lift up an object, or hold an object in place |
| third class lever | effort is found between the fulcrum and the load |
| force | a push or pull |
| distance | space between two things or people |
| cell membrane (city) | gates control what comes in and what goes out just like the cell wall |
| cytoplasm (city) | buildings and transportation systems necessary to keep the city running. (jelly-like) |
| endoplasmic reticulum - er (city) | communication and transportation system all rolled into one. (food, water, waste) |
| chloroplast (city) | produce all the food to survive. |
| golgi body (city) | package wastes (holds waste), takes waste away |
| vacuole (city) | stores water and waste products. treats and recycles wastes before exporting them |
| mitochondrion (city) | all the energy |
| nucleus (city) | control centre |
| cytoplasm | holds all the other organelles in place. Jelly-like |
| nucleus | controls all activités in the cell |
| mitochondrion | releases energy in the cell. "powerhouse" |
| Label esophagus | near the heart |
| cells | smallest unit of life |
| organs | two or more tissues combined together to perform a specialized role. |
| cellular respiration | glucose + oxygen = carbon dioxide + energy + water |
| photosynthesis | carbon dioxide + water + energy = oxygen + glucose |
| malnutrition | ill-health caused by a diet, missing essential nutrients |
| diabetes | illness that disables the bodys ability to regulate the production of sugar |
| ulcer | holes or breaks in the lining of the esophagus or stomach caused when normal digestive juices destroy the protective mucous lining |
| anorexia | metal illeness in which a person is so afraid of gaining weight that they restrict their food intake excessively |
| homeostasis | body systems to stay in balance |
| fad diet | what people should eat |
| food chains | model that shows how energy and better pass from one organism to another in an ecosystem |
| producer | make their own food - usually through photosynthesis |
| primary consumer | animal that eat plants or producers |
| secondary consumer | an animal that eats primary consumers |
| extinction | the elimination of a species from Earth |
| emigration | departures from a population |
| immigration | arrivals into a population |
| population | individuals of the same species living together in the same place at the same time |
| carrying capacity | individuals that an environment can support |
| parasite | lives on or in another organism at the expense of that organisms |
| predators | animal that catches, kills, and eats other animals |
| prey | animal that is eaten by other animals |
| exotic species | species that does not occur naturally in an ecosystem |
| species at - risk | close to becoming extinct |
| biomes | larger geographic area containing distinct plants and animals |
| parkland | main plants and trees and grasses. where edmonton is |
| abiotic factors | non-loving factors such as weather and altitude that limit the number of individuals that an ecosystem can support |
| biotic factors | living parts of an ecosystem that affect the size of population the ecosystem can support |
| climate | average weatter conditions |
| latitude | a measure in degrees of how far north or south a place is from the equator |
Created by:
angelxpenney
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