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| A wave that goes from a crest to a crest or a trough to a trough, or it could be from a different place to |
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| a bunch of energy that is let go when an atom loses energy. |
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| How many waves there are in a certian amount of time, usualy mesured in one second. |
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| a wave that the crests and troughs moves in right angels to direction of the wave's travel. |
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| The distance between a wave's mid-piont and it's crest or trough. The energy that a wave has. The energy a wave has. |
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| Does not allow light to pass through easily. Reflects almost all light. |
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| Allows light to pass through easily. |
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| Allows some light to pass through and refelcts some light back. It diffuses light. |
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| Light bouncing off of objects. |
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| Some light bounces off (reflects) some light goes through. |
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| Used to focus light to a point. |
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| Used to magnify an object. |
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| The place after a convex lens that is were all the bent light come together and one make stong point of light. |
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| a piont in Earths orbit around the sun where daylight is either the longest or the shortest amount possible. |
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| a piont in Earth's orbit around the sun where nights and days are the same length. |
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| a darkening of the moon when it passes through Earth's shadow. |
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| the rise and fall of water in the ocean and seas caused mainly by the gravitational pull of the moon on Earth. |
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| the combination of less massive elements to form more massive elements. |
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| a crown of glowing gasses around the sun that can be seen during a total solar eclipse. |
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| a crown of glowing gasses around the sun that can be seen during a total solar eclipse. |
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| an alignment of the sun, moon, and Earth where the moon blocks the sun from Earths veiw. |
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| a regionon the sun of very strong magnetic field. |
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| powerful eruption on the sun. |
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| the glow o display of lights in the skies near polar latitudes. |
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| a system of billions of stars, gasses, and dust. |
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| brilliant objects in space that may be the powerhouses of developing galaxies. |
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| brilliant objects in space that may be the powerhouses of developing galaxies. |
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| cloud of gas and dust in space |
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| a starthat has swelled and glows with a red color. |
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| the explosion of a star, releasing huge amounts of light and other energy. |
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| an invisible object in space whose mass and gravitational force is so great that not even light can escape. |
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| the idea that the universe started a huge explosion about 15 billion years ago. |
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| A tool used to measure the force and direction of wind. |
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| a device attached to a very high building, usually a barn, that rotates freely to show the direction of the wind. |
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| a tool used to measure the pressure in the air. |
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| When clouds cover the sky and sun. |
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| a tool used to measure rain. |
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When a bunch of cold air comes and replaces
the warm air. |
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| When a bunch of warm air comes and replaces the cold air. |
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| When the air doesnt have much pressure. |
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| When the air has alot of pressure. |
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