MSA Review Vocabulary P-R
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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| Parallel circuit: | Electrical circuit arranged so that current passes through more than one pathway simultaneously.
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| Parasite: | A symbiotic relationship between two organisms in which one (the parasite) benefits to the detriment of the other (host).
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| Pathogen: | An agent (usually a microorganism) that causes a disease.
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| Pattern: | Repeated sequences of natural occurrences. A configuration of shapes or other objects arranged in such a way as to demonstrate a specific repeat in design.
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| Periodic table: | A chart where all elements are organized into periods and groups according to their properties.
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| Petrified: | Fossilized remains that have been turned into stone.
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| pH scale: | Scale ranging from 0-14, used to describe how acidic (0) or basic (14) a substance is. The pH is the measure of the hydrogen ion concentration in a solution.
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| Phases (lunar): | The regularly occurring cycle of changes in the appearance of the moon.
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| Photosynthesis: | The process by which green plants use water and carbon dioxide and light from the sun to make food.
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| Physical change: | A change that occurs in the physical property/properties of a substance without altering its composition.
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| Physical properties: | Any property of matter that can be observed by your senses.
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| Pitch: | How high or low sound frequencies appear to be.
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| Planet: | A major body (not a comet or asteroid) orbiting around a star.
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| Plate tectonics: | Large crustal plates moving on the Earth's surface and resulting in changes in the Earth's surface.
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| Pollution: | Human and natural contamination of the environment by chemicals or heat energy to the extent that existing habitats are threatened or populations of organisms are endangered.
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| Population: | A group of organisms of the same species that live in the same area at the same time.
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| Potential energy: | The stored energy of a body because of its position.
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| Precipitation: | Process by which water falls to Earth from the atmosphere in the form of rain, snow, sleet, or hail.
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| Predator: | An organism that kills and consumes another organism (prey); includes animals eating other animals, and animals eating plants.
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| Prediction: | A broad statement (based on an observation, experience, or scientific reason) of what will happen (the effect) in a given circumstance or situation.
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| Prey: | An organism that is killed and eaten by another organism.
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| Producer: | An organism that makes its own food.
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| Proton: | Positively charged particles in the nucleus of an atom.
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| Psychrometer: | An instrument used to measure relative humidity
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| Qualitative: | Data that is related to the quality of observations.
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| Radiation: | Energy traveling through empty space or through a transparent material without heating the empty space or transparent material.
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| Reactant: | Compound or element that changes during a chemical reaction.
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| Reactivity: | Ability of an element to gain or lose electrons which are used for bonding.
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| Refraction: | The change in velocity and apparent bending of the beam of light or other wave-form as it passes from one medium into another.
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| Relative age: | The age of a rock (older or younger) in comparison with the age of other rocks.
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| Renewable resource: | Resources that can be replenished, such as trees and plants.
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| Revolution: | The movement of a celestial body in an orbit around another celestial body.
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| River: | A natural stream of water with a large volume.
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| Rock slide: | A mass of rock sliding down a hill or mountainside.
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| Rotation: | The spinning motion of a planet or other object on its axis.
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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.
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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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Created by:
wknopf
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