Structure of the Universe Unit Test Review

1. Which structure includes all matter and space that exists?

• a. A planetary system
• b. A star
• c. A galaxy
• d. The universe

2. The universe is mostly:

• a. Made of stars
• b. Filled with planets
• c. Empty space
• d. Black holes and neutron stars

3. What is a planetary system?

• a. A cluster of planets
• b. Planets that orbit a star (or stars)
• c. A star (or stars) that orbit a large planet
• d. A group of extraterrestrial objects (such as asteroids) that orbit a planet

4. What is a light year?

• a. The distance light travels in one year
• b. A way to compare the speed of light to the speed of sound
• c. The amount of light energy emitted by star during one year
• d. A way to measure the age of our universe

5. What is a galaxy?

• A cluster of stars, gas, dust, stellar remains, and often planetary systems.
• A group of old stars.
• A cloud of gas and dust far away from Earth.
• A part of the universe that is smaller than a solar system.

Tags

NGSS.MS-ESS1-2

6. Which type of galaxy often has a supermassive black hole in its center?

• a. An elliptical galaxy
• b. A spiral galaxy
• c. An irregular galaxy
• d. All of the above

Tags

NGSS.MS-ESS1-2

7. In order for a celestial object to be considered a planet it must:

• a. Orbit a star
• b. Be spherical due to its gravity
• c. Have cleared its orbital path around the star it revolves
• d. All of the above

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

8. The majority of asteroids in the Solar System are found:

• a. Orbiting very close to the sun
• b. Orbiting Earth between the inner and outer planets.
• c. In the Kuiper belt at the outside edge of the solar system
• d. Orbiting the sun at the same distance as Jupiter

9. Which extraterrestrial object spews off gas and dust, producing a coma and tail around its icy body as it passes close to earth?

• a. An asteroid
• b. A comet
• c. A meteoroid
• d. A meteor

10. Which of the following is the most massive object in the solar system?

• a. The Sun
• b. Earth
• c. Mars
• d. Jupiter

Tags

NGSS.MS-ESS1-3

NGSS.MS-PS2-4