Name ____________________________________ Date ____________________________ Class________________

The Structure of the So...
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The Structure of the Solar System Worksheet 2

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Grade 8 Integrated Science. This worksheet accompanies the Chapter 11 Lesson 1 slides on The Structure of the Solar System. This is a longer review with fill in the blank sentences which form an outline of the material.

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The Structure of the Solar System Worksheet 2

  1. 1. Name ____________________________________ Date ____________________________ Class________________ The Structure of the Solar System Directions: On each line, write the term from the word bank that correctly completes each sentence. Some terms may be used more than once or not at all. astronomical farther gravitational rotate closer faster inner slower comet foci outer solar system elliptical focus planet star energy gas giant revolve Sun The night sky offers a fascinating view into space. Most of the specks of light in the night sky are (1.)________________________. They exist far beyond our (2.)________________________. The largest object in our solar system is the (3.)________________________, which produces an enormous amount of (4.)________________________. The Sun also applies a(n) (5.)_________________ pull on the planets. When you look into the night sky, you might see light reflected off a(n) (6.)____________________, such as Venus. Objects in space (7.)_____________________ around the Sun along a stretched-out circle called a(n) (8.)_____________________ orbit. Planets also (9.)________________________, or spin. There are four (10.)___________________ planets that are made up mostly of solid rocky materials. These objects are spherical and have a mass larger than the total mass of all other objects whose orbits are nearby. There also are four (11.)_________________ planets made of gases, including helium and hydrogen. These four planets are sometimes termed (12.)__________________. Distance in space is measured in (13.)______________________ units. A planet’s speed changes as it obits the Sun. A planet that is close to the Sun moves (14.)______________________ than a planet that is far from the Sun. Also, planets that are (15.)___________________ from the Sun have longer periods of revolution than planets that are closer to the Sun. The shape of a planet’s orbit is determined by two (16.)___________________ points. These (17.)___________________ are equal distances from the center of the ellipse.

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