Astronomy Review Vocabulary and Trivia

Round 1 Universe Galaxy Star Planet Gas Giants Axis

Round 2 Big Bang Elliptical Galaxy Nuclear Fusion Asteroid Rotation Solar eclipse

Round 3 Astronomical Unit Spiral Galaxy Nebula Comet Revolution Equinox

Round 4 Light Year Irregular Galaxy Solar System Terrestrial Planets Solstice Lunar Eclipse

1. Everything we know to exist including matter, energy, space, and time is known as the ________________. Universe

2. ____________ is the initial explosion that is theorized to be the beginning of our universe. The Big Bang

3. A unit of measure defined as the distance from the Sun to the Earth is an ____________. Astronomical Unit

4. ___________ is the distance light travels in one year. A Light Year

5.A large cluster of stars, gas, and dust held by gravity is known as a ____________. galaxy

6. ________ is a sphere of glowing gas that is able to produce its own energy. A star

7. The process in which energy is released when smaller atoms collide and stick together to form larger atoms is known as _______. Nuclear Fusion

8. A __________ is an spherical object that doesn’t produce its own light, orbits and star, and is large enough to clear its own path. Planet

9. Irregularly-shaped rocks in our solar system are called _________ Asteroids

10. ___________ are irregularly shaped balls of ice, rock, and dust that leave vapor trails while orbiting the Sun. Comets

11. The 4 inner planets are also known as the _________ while the 4 outer planets are also known as the ________. Terrestrial Planets Gas Giants

12. When an object goes around another its called _________. When an object spins its called ________. Revolving Rotating

13. The longest and shortest days of the year are known as _______, while days with equal day and night are called ________. Solstices Equinoxes

Jeopardy Board Initial The Universe GalaxiesThe Solar System Earth’s Phenomena Stars The Moon

Jeopardy Board New Final Jeopardy Question The Universe Galaxies The Solar System Earth’s phenomenaStars The Moon

If the Earth’s gravity is strong enough to pull the Moon towards Earth, why, then, isn’t the moon pulled towards Earth? Final Jeopardy

How old is the universe theorized to be and how did it begin? A - 100

What’s wrong here? The Milky Way galaxy is traveling at a speed of 300,000 light years towards the Andromeda galaxy. A - 200

A – 300 When is an astronomical unit an appropriate unit of measure to use?

If an astronomer observes that an object in the solar system is twice as far from the Sun as it is the Earth, what would be that object’s distance from the Sun in AUs? A – 400

Explain why astronomers interested in the Big Bang will look to galaxies for information. A - 500

What force holds galaxies together? B - 100

What is the name of our galaxy? What type of galaxy is it? B - 200

What type of galaxy is represented in the picture? B - 300

DD1

If a galaxy contained lots of gas and dust, what does that tell you about its stars? And what type of galaxy would it be?

B How would the stars in the middle of our galaxy compare to the stars in the outer regions of our galaxy?

C Which color star is the coolest?

Which star will live longest? Why? C - 200

The following is a picture of a what? Once it compresses and heats up, what process will begin? C – 300

C- 400 What type of star must have died?

What will be the next two steps in this sequence? C - 500

Name 5 different types of things found in a solar system D - 100

Name 2 things the inner planets all have in common. D - 200

D Name 3 things the outer planets all have in common

D What is shown in each picture? Describe how you know for each. B A C

D – 500 Explain why you would have different ages on different planets.

Compare rotation and revolution. E - 100

DD2

E Why does this happen?

E E – 500 Describe the - sunlight directness - hours of daylight - season for the Northern Hemisphere

E What is wrong with the diagram below. What would be happening as a result? A B C D

How would a tilt of 30 degrees instead of 23.5 degrees affect Earth’s seasons?

F What is going on in the picture below? Describe what would be seen from Earth.

F What moon phase would be visible from Earth? What has to happen for this phase to change?

During a new moon phase, no light can be seen on Earth from the moon. Why?

F What are the arrows point to in this picture? Explain how this happens.

F – 500 How much time has elapsed between these two pictures? Why does this fluctuation occur?