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Solar System 5th grade
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    Solar system review.
  •   Study   Slideshow
  • A group of stars that generally have similar properties.
    cluster
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  • The line where the Earth and sky appear to meet.
    horizon
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  • An illusion of movement of an object caused by the actual movement of another object.
    apparent motion
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  • occurring daily
    diurnal
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  • North, East, South, West
    cardinal points
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  • The scientific study of the stars, planets, and outer space
    astronomy
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  • brightening of the night sky caused by street lights and other man-made sources
    light pollution
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  • a person who studies stars, planets, and outer space
    astronomer
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  • related to the sky and outer space
    celestial
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  • to move in a circle around an axis or center
    rotate
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  • Earth, planets, stars, and all things that exist in space
    universe
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  • Why does Earth have the four seasons?
    Because it orbits the sun and rotates on its axis.
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  • Why does our sun look brighter than other stars?
    Because it is closer than other stars.
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  • What color is the hottest star?
    blue
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  • Do people in the Northern Hemisphere see the same constellations as people in the Southern Hemisphere during the same time of year?
    No the see different constellations.
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  • When the sun is lower in the horizon, shadows appear to be ....
    longer
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  • The brightness of the sun that we perceive on Earth is called.....
    apparent magnitude
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  • True/False In the North and South Poles, most visible stars change throughout the year.
    true
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  • When the sun is higher from the horizon, shadows appear.....
    shorter
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  • What color is the coldest star?
    red
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  • True/False At the Equator, most visible stars do not stay the same.
    false
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  • Why can't we see the stars during the day?
    Because of the sun's brightness.
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  • Why does the sun appear to move across the sky during the day?
    Because of Earth's rotation
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  • When we are not facing the sun, what time of day is it?
    nighttime
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