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MSA vocab part 10
Question | Answer |
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Orbit. | A path of one body in its revolution about another body. |
Organ. | A structure made up of different types of issues that work together to do a specific job. |
Organism. | A living thing. |
Parallel circuit. | Electrical circuit arranged so that currents pass through one pass way simultaneously. |
Parasite. | A symbiotic relationship between two organisms in which one (the parasite) benefits to to the detriment of the other host. |
Pathogen. | An agent (usually a microorganism) that causes disease. |
Pattern. | Repeated sequence of natural occurrences. A configuration of shapes or other objects arranged in such a way as to demonstrate a specific repeat in design. |
Periodic table. | A chart where all the elements are organized into periods and groups according to their properties. |
Petrified. | Fossilized remains that have been turned into stone. |
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 hydrogen ion concentration in a solution. |
Phases (lunar). | Regularly occurring cycle of changes in the appearance of the moon. |
Photosynthesis. | The process by which green plants use water and carbon dioxide and light from the sun to make food. |
Physical change. | A change that occurs in the physical property/properties of a substance without altering its composition. |
Physical properties. | Any property of matter that can be observed by your senses. |
Pitch. | How high or low sound frequencies appear to be. |
Planet. | A major body (not a comet or asteroid) orbiting around a star. |
Plate tectonics. | Large crustal plates moving on the Earths surface and resulting in changes in the Earths surface. |
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. |
Population. | A group of organisms of the same species that live in the same area at the same time. |
Potential energy. | The stored energy of a body because of its position. |