Download Universe Learning Targets and Vocabulary

Universe Learning Targets and Vocabulary
(TEK 8.8A) Describe components of the universe, including stars, nebulae, and galaxies, and use models such as the Hertzsprung-Russell diagram
for classification.
1. Describe the Universe. What does the Universe consist of?
2. What are stars? What are stars made up of? What is the energy source in stars?
3. What are nebulae?
4. What is the Hertzsprung - Russell diagram? How are stars classified on the H-R Diagram? What does the Y-axis represent? What does the Xaxis represent?
5. What color are the hottest stars? What color are the coolest stars? What color is our Sun?
6. Using the H-R Diagram describe the brightness and temperatures of the following groups of stars.
 Main Sequence stars, Red giant stars, Blue giant stars, White dwarf stars, Red dwarf stars
7. What are galaxies?
8. Illustrate and describe the 3 main types of galaxies.
9. What type of galaxy is the Milky Way galaxy?
(TEK 8.8B) Recognize that the Sun is a medium-sized star near the edge of a disc-shaped galaxy of stars and the Sun is many thousands of times
closer to Earth than any other star.
10. Describe the Sun’s size, temperature, color and brightness.
11. Where is the Sun located within our galaxy?
12. Describe the distance of the Sun compared to all other stars?
(TEK8.8C) Explore how different wavelengths of the electromagnetic spectrum such as light and radio waves are used to gain information about
distances and properties of components in the universe.
13. What is the electromagnetic spectrum and what makes it up?
14. What is a stars spectrum?
15. What are spectroscopes/spectrometers?
16. What are scientists able to determine about stars using spectrometers?
(TEK 8.8D) Model and describe how light years are used to measure distances and sizes in the universe.
17. What is a light year? What is a light year equal to?
18. Why do scientists use light years instead of miles or kilometers to measure distances in space?
(TEK 8.8E) Research how scientific data are used as evidence to develop scientific theories to describe the origin of the universe.
19. What is the most dominant theory for the origin of the universe?
20. What scientific data is used as evidence to support the theory of the origin of the universe?
Vocabulary: Universe, Stars, Galaxies, Nebulae, Hertzsprung-Russell Diagram, Absolute Magnitude, Luminosity, Sun, Main Sequence Stars,
Spiral/Disc Shaped Galaxy, Elliptical Galaxy, Irregular Galaxy, Light Year, Electromagnetic Spectrum, Electromagnetic Waves, Wavelength, Frequency,
Star Spectrum, Spectroscope/Spectrometer