Astronomy ReviewVocabulary 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

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The Universe

Galaxies The Solar System

Earth’s Phenomena

Stars The Moon

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Final Jeopardy Question

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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 - 500

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

galaxy?

C - 100• 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 - 300Name 3 things the outer planets all have in common

D - 400• 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 - 200Why does this happen?

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• Describe the - sunlight directness- hours of daylight- season

for the Northern Hemisphere

E - 400• What is wrong with the diagram below. What

would be happening as a result?

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

F - 100• What is going on in the picture below? Describe what would be seen from Earth.

F - 200• 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 - 400• 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?