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19 Cards in this Set
- Front
- Back
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What instrument does a scientist use to study distant objects in space?
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telescope
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What is the Sun mostly made of?
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hydrogen and helium
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What is the path a planet travels as it goes around the Sun?
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an orbit
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What is Earth's closest and only natural satelite?
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the moon
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What is a force of attraction between an object and any other objects around it?
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gravity
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What are the eight large objects that orbit around the Sun?
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planets
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How long does it take our planet to make one complete trip around the Sun?
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365 1/4 days or 1 year
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What is a group of stars that form patterns in the night sky?
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constellations
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What is the tendency of a moving object to keep moving in a straight line?
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inertia
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What makes up the Sun and ALL the objects that are traveling around it?
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solar system
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What is the 3rd planet from the Sun?
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Earth
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What holds the Earth in orbit around the Sun?
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gravity and inertia
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What are different amounts of light seen on the lighted side of the Moon from Earth?
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moon phases
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What causes the Sun's light to shine differently throughout the year on Earth?
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tilt of axis
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What is our Sun's
color and size? |
yellow and medium
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A star's surface temperature determines what about the star?
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color
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How does the Earth travel around the Sun?
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revolves
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Most orbits are what shape?
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oval
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What does the Sun provide for the Earth?
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light and heat
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