Solar System Vocabulary

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Science Class Period

• 2nd
• 4th
• 6th
• 7th

1. A model of the solar system where the Earth is in the center of the revolving planets and stars.

• Planetcentric
• Heliocentric
• Geocentric
• Suncentric

2. An oval shape which may be elongated or nearly circular

• Circle
• Ellipse
• Rectangle

3. A model of the solar system where the Earth and other planets revolve around the sun.

• Suncentric
• Heliocentric
• Geocentric

4. The imaginary line that passes through Earth’s center and the North and South poles

• Equator
• Axis
• Prime Meridian

5. The study of the moon, stars, and other objects in space

• Astronomy
• Geology
• Biology

6. The spinning of Earth on its axis

• Revolution
• Revolve
• Rotation

7. The time when the noon sun is directly overhead; there is approximately equal day and night

• Equinox
• Solstice
• Axis

8. The path a celestial body follows

• Wanderer
• Orbit
• Planet