Astronomy Unit Final Test – Study Guide

Telescopes

1)What is a light year?

2)List the two missing parts of the Electromagnetic Spectrum on the grid below:

3)Use the following to fill in the blanks below: shortest, gamma rays, radio waves, longest

______are the most dangerous to humans because they have the ______wavelengths, and ______are the least dangerous because they have the ______wavelengths.

4)Describe the difference between a reflecting telescope and a refracting telescope.

5)Who was the first science to use a telescope to study the stars and planets?

Planet Earth

1)What do we call the movement of earth around the sun?

2)Earth spinning on its axis is called ______.

3)What causes the seasons on earth?

Moon Phases and Eclipses

1)What type of eclipse is shown in the following diagram?

2)What type of eclipse is show in the following diagram?

3)How many phases of the moon are there?

4)What causes the different phases of the moon?

Tides

1)How many high and low tides occur each day

2)There are two factors that cause the tides. Fill in the blanks below:

The pull of ______from the ______has the greatest impact on the tides. The ______’s gravity also impacts the tides, but to a lesser extent.

3)Circle the correct answer (circle either “the same” or “opposite”):

The tides are the greatest when the moon and the sun are on: the same/opposite sides of Earth.

4)What causes the changes in tides?

Stars

1)Each season brings different constellations even though the constellations stay the same and do not move. Why?

2)What kind of stars never seem to move? In fact all other stars seem to move in a circle around them. What kind of stars are these?

3)What is another name for the circumpolar star that is also called the North Star?

4)What constellation can you use to find the North Star?

5)What determines the path a star will take during its life cycle?

6)Where do stars spend most of their lives?

7)What happens to the most massive stars at the end of their life cycle?

Galaxies

1)What are the three main types of galaxies, and put a star next to the type that is our Milky Way.

2)One thing that all galaxies have in common is that they are made up of a huge amount of ______.

The Universe

1)How do scientists believe the universe was created?

2)What was the Big Bang Theory?

3)What did Hubble discover about the universe?

Introduction to the Solar System

1)How many planets are in our solar system?

2)How do planets stay in their orbits?

3)How did planets form?

4)What are the characteristics that must be present for something to be called a planet?

5)What is the Kuiper Belt?

Inner Planets

1)Name the inner planets.

2)What are the inner planets made of?

3)How are the inner planets different from the outer planets besides what they are made from?

Outer Planets

1)Name the outer planets.

2)What are the inner planets made of?

3)How are the outer planets different from the inner planets besides what they are made from?

Other Objects in the Solar System

1)What is an asteroid?

2)What is meteor/meteoroid?

3)What is meteorite?

4)Comets are ______. Some come from the ______Belt, and others come from much further away.

5)Dwarf planets are just like planets EXCEPT for this one thing.

6)What are the five dwarf planets in our solar system?

7)Where are these four dwarf planets located?