Space Science Test Review

We are going to review for Thursday’s space science test. Please take out your white board and a dry erase marker. Good Luck!

Name the eight major planets as they would appear from the sun.

Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune

What causes day and night?

The earth’s rotation on its axis gives us day and night.

How long does it take Earth to rotate on its axis?

How can Earth support life?

It has a thin blanket of air that allows us to breathe. It also has the right temperature - not too hot and not too cold.

When a place on Earth faces away from the sun, what do we get?

When a place on Earth faces away from the sun, we get night.

What is Earth pulled by?

Earth is pulled by the sun’s gravity.

The moon, Earth, and sun all spin on an axis. What is an axis?

An imaginary line that passes through the north and south poles.

How long does it take Earth to revolve around the sun?

365 days or 12 months or 1 year

About how much of the earth is covered with water?

The Earth is covered with between 70% - 75% water. That is equal to ¾.

What type of orbit do the moon and Earth have?

The moon and Earth both have elliptical orbits.

What is the name for everything that exists?

Everything that exists – including rocks, planets, stars, gas, dust, etc. – is our universe.

What do we get when a place on Earth faces towards the sun?

When a place on Earth faces towards the sun we get daylight.

What are the Earth and moon made of?

The earth and moon are both made out of rock.

How many moons does Earth have?

Earth has 1 moon. Its name is Luna.

If something spins on an axis, it is doing what?

Rotating

What is happening in this picture?

The earth, moon, and sun are all rotating on an axis. The moon is rotating around the Earth. The Earth is revolving around the sun.

What are planets?

Planets are large, round bodies that revolve around a star.

What is the name of the tool that is used to magnify distant objects so we can see them better?

Scientists use a telescope to magnify distant objects so we can see things better.

How much of the earth experiences night (or day) at the same time?

About ½ of the earth experiences day (or night) at the same time.

Why do nighttime stars seem so much smaller than the sun?

Nighttime stars appear smaller and less bright because they are farther away from Earth.

What is the name of a person who studies space? Hint: The answer is not astronaut.

If you are a person who studies space, you are known as an astronomer.

Where is Earth located in this diagram?

Earth is the 3 rd planet from the sun.

Draw a picture that shows the Earth and sun as it would appear in the summer in Ohio (Northern Hemisphere).

Earth has an elliptical orbit. What does elliptical mean?

If something has an elliptical shape to it, it is oval or egg-shaped.

The path one body in space takes as it revolves around another body is known as what?

The Earth does this when it revolves around the sun. The path it takes is its orbit.

What is it called when the Earth orbits around the sun?

As the Earth travels in a closed path around the sun, it is revolving around that object.

How is the sun like other stars?

Stars are big exploding balls of gas They are also like people. They are born, live through a long middle age, and finally die.

Do you have any questions relating to Thursday’s test?