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27 Cards in this Set
- Front
- Back
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Balance
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4 : n. a condition in which opposing forces are equal to each other
2: v. : to arrange so that one set of elements exactly equals another |
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Dinosaur
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: any of a group of extinct often very large mostly land-dwelling long-tailed reptiles of the Mesozoic era
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Earth gravity
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3 a : the gravitational attraction of the mass of a heavenly body (as the earth) for bodies at or near its surface b : a force of attraction between particles or bodies that occurs because of their mass, is stronger as mass is increased, and is weaker as the distance between the objects is increased
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Environment
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1 : surroundings: <living in a rural environment>
2 : the surrounding conditions or forces that influence or modify: as a : the whole complex of factors (as soil, climate, and living things) that influence the form and the ability to survive of a plant or animal or ecological community b : the social and cultural conditions that influence the life of a person or human community |
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freezing
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: to harden into or be hardened into a solid (as ice) by loss of heat
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heat
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1 : to make or become warm or hot
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light
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1 a : something that makes vision possible
2. electromagnetic radiation of any wavelength (as infrared, visible, ultraviolet, and X-rays) and traveling in a vacuum with a speed of about 186,000 miles (300,000 kilometers) per second; |
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Location
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1: a point or extent in space
2. point determined by longitude or latitude |
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Machine
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b : a combination of parts that transmit forces, motion, and energy to do some desired work
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Magnet
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1 : a piece of some material (as the mineral iron oxide) that is able to attract iron; especially : a mass of iron or steel so treated that it has this property
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Mammoth
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1 : any of various large hairy extinct mammals of the elephant family with very long tusks that curve upward
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moon
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1 a : the earth's natural satellite that shines by reflecting light from the sun and revolves about the earth in about 29½ days
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ocean
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: the whole body of salt water that covers nearly three fourths of the surface of the earth
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position
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1 a : the manner in which something is placed or arranged
3 : the point or area occupied by something |
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prediction
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Forecast
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Properties of light
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• Light travels in a straight line unless it strikes an object; Light can be reflected by a mirror, refracted by a lens, or absorbed by the object.
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Pulling
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1 : to separate forcibly from a natural or firm attachment
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pushing
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2 a : to use force on so as to cause or tend to cause motion toward the force
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Salt water
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1.of salt water: containing or involving salt water
2.Water that contains a relatively high percentage (over 0.5 parts per thousand) of salt minerals 3.seawater |
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sand
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1 : loose material in grains produced by the natural breaking up of rocks
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shelter
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1 a : something that covers or protects b : a place that provides food and lodging
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sky
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1 : the upper atmosphere : the vast arch or dome that seems to spread over the earth
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Star
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1 a : a natural body visible in the sky especially at night that gives off light or shines by reflection
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Sun’s position
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The sun's position in the sky is determined by three factors: the time of day, the time of year, and the latitudinal position of the reference point
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Sun’s size
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The Sun's diameter is 864938 miles (1391980 km). This is almost 10 times larger than the planet Jupiter and about 109 times as big as the Earth.
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Thermometer
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an instrument for measuring temperature
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Weather patterns (seasons)
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Weather over a period of time:
n. One of the four natural divisions of the year, spring, summer, fall, and winter, in the North and South Temperate zones. |
