Astronomy District Review

1.

1 point

Mercury, Venus, Earth, and Mars are all considered what?

Stars

Galaxies

Moons

Planets

2.

1 point

How many Astronomical Units is it from the Sun to the Earth?

1

32

100

10

3.

1 point

Which of the following accurately describes the Sun?

The Sun is a very small star.

The Sun is the largest planet in the Solar System.

The Sun is an average size star.

The Sun is the largest star in the Universe.

4.

1 point

Which of the following statements about the planets’ size is true?

There is no difference between the size of the inner and outer planets.

The inner planets are relatively big and the outer planets are relatively small.

The inner planets are relatively small and the outer planets are relatively big.

5.

1 point

What is a moon?

An object at the center of a solar system.

An object in orbit around a planet

An object in orbit around the Sun

6.

1 point

As the Earth orbits the Sun, which force pulls the Earth towards the Sun?

Inertia

Centripetal

Gravity

Friction

7.

1 point

How do gravity and inertia combine to keep a planet in orbit around the Sun?

Gravity causes the planet to move in straight line; inertia pulls the planet toward the Sun.

Only inertia is needed to keep a planet in orbit.

Only gravity is needed to keep a planet in orbit.

Inertia causes the planet to move in straight line; gravity pulls the planet toward the Sun.

8.

1 point

The Milky Way is the name of what?

Our galaxy

Our solar system

Our planet

Our universe

9.

1 point

How many stars are there in a Galaxy.

1 (one)

Millions/Billions

Thousands

Hundreds

10.

1 point

What was Galileo’s contribution to Astronomy?

He proposed the heliocentric (Sun centered) model.

He gathered observational evidence, such as the existence of Jupiter’s moons and phases on Venus, which supported the heliocentric model.

He proposed the geocentric (Earth centered) model.

He calculated how perpetual motion keeps the planets in the sky.

11.

1 point

What is the path of one object around another in space called?

Inertia

Orbit

Gravity

Heliocentric

12.

1 point

Jupiter (an outer planet) is made mostly of what?

Metal

Rock

Gas

Liquid

13.

1 point

What is a force that attracts objects to each other?

Inertia

Gravity

Astronomical unit

Orbit

14.

1 point

It takes about 29 days for the moon to revolve around the Earth. About how long does it take for the moon to go through a complete cycle of phases?

About 365 days

About 14 days

About 1 day

About 29 days

15.

1 point

Which of the following best describes the geocentric model?

The Sun is the center of the solar system.

Earth is the center of the universe.

Venus is the center of the universe.

The Moon is the center of the universe.

16.

1 point

Which of the following statements best describes the inner planets?

The inner planets are rocky, close to the sun, and relatively small in size.

The inner planets are gaseous, close to the sun, and relatively large in size.

The inner planets are rocky, far from the sun, and large in size.

The inner planets are gaseous, far from the sun, and large in size.

17.

1 point

What is the name of the galaxy in which our Sun is located?

The Whirlpool Galaxy

The Andromeda Galaxy

The Milky Way Galaxy

The Galaxy

18.

1 point

What causes the seasons?

The tilt of Earth’s axis and Earth’s revolution around the Sun.

Different distances from the Sun.

The tilt of Earth’s axis and Earth’s rotation around the Sun.

The tilt of Earth’s axis.

19.

1 point

What is the turning or spinning of a body around an axis?

Geocentric

Revolution

Orbit

Rotation

20.

1 point

What is the distance from the Sun to the Earth called?

Light Year

Mile

Astronomical Unit (AU)

Kilometer

21.

1 point

What is Galileo known for?

Developing the heliocentric model of the solar system.

Proving the geocentric model of the solar system.

Proving the heliocentric model of the solar system.

Developing the geocentric model of the solar system.

22.

1 point

How long does it take Earth to compete one revolution?

6 months

1 month

1 year

1 day

23.

1 point

What would the seasons be like in the Northern Hemisphere if the Earth were not tilted?

It would be the same temperature all year round (no seasons).

There would be no change; we would still have four seasons.

Summer would be warmer; winter would be colder.

24.

1 point

How many stars are in our solar system?

1 (one)

1,000 (one thousand)

1,000,000,000 (one billion)

1,000,000 (one million)

25.

1 point

Which of the following people proposed the heliocentric (Sun centered) model?

Ptolemy

Galileo

Copernicus

Newton

26.

1 point

What are the first 4 planets from the sun called (inner planets)?

The heliocentric planets

The gas giants

The terrestrial giants

The terrestrial planets

27.

1 point

What is the idea that an object in motion stays in motion called?

Inertia

Astronomical unit

Orbit

Gravity

28.

1 point

What is a model of the solar system with the Sun at the center called?

Inertiacentric

Geocentric

Heliocentric

Orbitcentric

29.

1 point

What is Copernicus known for?

Proving the heliocentric model of the solar system.

Developing the geocentric model of the solar system.

Proving the geocentric model of the solar system.

Developing the heliocentric model of the solar system.

30.

1 point

Which forces work together to keep an object in orbit around the Sun?

Gravity and inertia

Inertia and friction

Friction and centripetal force

Gravity and centripetal force

31.

1 point

Which of the following statements best describes the outer planets?

The outer planets are rocky, close to the sun, and relatively large in size.

The outer planets are gaseous, far from the sun, and relatively large in size.

The outer planets are rocky, far from the sun, and relatively large in size.

The outer planets are gaseous, close to the sun, and relatively small in size.

32.

1 point

What causes the Moon to have phases when viewed from Earth?

As the Moon revolves around Earth, we see different amounts of lighted side of the Moon.

The Moon’s shadow falls on Earth.

Earth's shadow covers part of the Moon.

As the Moon rotates on its axis, we see more of the dark rock on the back side of the Moon.

33.

1 point

What causes the seasons?

Revolution

Rotation

Tilt and Rotation

Tilt and Revolution

34.

1 point

What causes day and night?

Tilt and Revolution

Revolution

Tilt and Rotation

Rotation

35.

1 point

What are the outer 4 planets called?

The gas giants

The terrestrial planets

The terrestrial giants

The heliocentric planets

36.

1 point

What does “waning” mean?

The Moon’s phases are decreasing night after night.

The Moon’s phases are increasing night after night.

The Moon’s phases are more than half.

The Moon’s phases are less than half.

37.

1 point

Which of the following accurately ranks the objects from SMALLEST to LARGEST?

Planet, Sun, Milky Way Galaxy, The Solar System, Universe

Sun, Planet, The Solar System, Milky Way Galaxy, Universe

Universe, Milky Way Galaxy, The Solar System, Sun, Planet

Planet, Sun, The Solar System, Milky Way Galaxy, Universe