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35 Cards in this Set
- Front
- Back
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axis
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a straight line around which a body spins or rotates
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cycle
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A repeated pattern
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eclipse
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The temporary disappearance or darkening of one celestial body, such as the sun or moon, when another bodfy moves between it and the light source.
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lunar eclipse
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An eclipse when the Earth moves between the sun and the moon and the Earth's shadow falls across the surface of the moon
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solar eclipse
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An eclipse when the moon is between the Earth and the sun
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experiment
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A fair test designed to answer a question
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inference
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A conclusion based on evidence that results from events that have already occurred
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light
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A source of illumination, such as the sun or a lamp
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model
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A system that is built to represent or help us understand a more complicated system.
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rotate
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To turn or spin on an axis
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rotation
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The motion of turning on an axis
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revolution
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A complete orbit around a central point or object
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shadow
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An area that receives no light or less light than the areas around it
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temperature
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A measure of the hotness or coldness of an object or an area
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prediction
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A forecast about what may happen in some future situation. A prediction is based on information and evidence, and is different from a guess.
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axis
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A straight line around which a body spins ro rotates
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cycle
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A repeated pattern
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eclipse
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The temporary disappearance or arkening of one celestial body, such as the sun or moon, when another bodfy moves between it and the light source.
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lunar eclipse
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An eclipse when the Earth moves between the sun and the moon and the Earth's shadow falls across the surface of the moon
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solar eclipse
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An eclipse when the moon is between the Earth and the sun
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experiment
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A fair test designed to answer a question
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inference
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A conclusion based on evidence that results from events that have already occurred
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light
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A source of illumination, such as the sun or a lamp
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model
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A system that is built to represent or help us understand a more complicated system.
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rotate
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To turn or spin on an axis
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rotation
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The motion of turning on an axis
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revolution
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A complete orbit around a central point or object
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shadow
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An area that receives no light or less light than the areas around it
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temperature
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A measure of the hotness or coldness of an object or an area
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prediction
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A forecast about what may happen in some future situation. A prediction is based on information and evidence, and is different from a guess.
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hypothesis
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a statement that has been made to be proved or disproved. Scientists make hypothesis based on what they expect will happen and then test whether or not the hypotheses are correct.
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Corpernicus
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The Polish astronomer who said the planets revolve around the sun. He thought the orbits were in the shapes of circles.
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Ptolemy
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The early Egyptian astronomer who said that the Earth was the center of the universe. He said the Moon, Sun, and other planets circle our planet.
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Galileo
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Using the telescope, he proved that Earth orbits the Sun.
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Aristotle
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The early Greek philosopher and teacher who believed that the Earth was the center of the universe.
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