Grade 8 Unit 07: Components of the Universe (14 Days)

TEKS

(8)  Earth and space. The student knows characteristics of the universe. The student is expected to:

(A)  describe components of the universe, including stars, nebulae, and galaxies, and use models such as the Herztsprung-Russell diagram for classification;

(B)  recognize that the Sun is a medium-sized star located in a spiral arm of the Milky Way galaxy and that the Sun is many thousands of times closer to Earth than any other star;

(C)  identify how different wavelengths of the electromagnetic spectrum such as visible light and radio waves are used to gain information about components in the universe;

(D)  research how scientific data are used as evidence to develop scientific theories to describe the origin of the universe.

 

Review

Before you take the test for this unit, you should do the Review.