The Structure of the Universe

1.

Multiple Choice

2 mins

1 pt

The sun and everything that revolves around it.

solar system

galaxy

universe

rotation

2.

Multiple Choice

2 mins

1 pt

The star at the center of our solar system.

Sun

moon

orbit

axis

3.

Multiple Choice

2 mins

1 pt

A large body made of gas or rock that orbits around a star.

planet

moon

star

super nova

4.

Multiple Choice

2 mins

1 pt

Why does the sun appear to be the largest star in the sky?

It is far away

It is very big

It is the closest star to earth

It is a planet

5.

Multiple Choice

2 mins

1 pt

Why do planets orbit the sun (and not float around in space)?

the moons are keeping them in place

They were hit by an asteroid

they were hit by a comet

the sun's gravity keeps them in place

6.

Multiple Choice

2 mins

1 pt

Galaxy is a collection of

planets

moons

solar systems

7.

Multiple Choice

2 mins

1 pt

The galaxy we are a part of is called:

Milky Way

Andromeda

Whirlpool

Sombrero

8.

Multiple Choice

2 mins

1 pt

From smallest to the largest

universe, solar system, galaxy

galaxy, solar system, universe

solar system, universe, galaxy

solar system, galaxy, universe

9.

Multiple Choice

2 mins

1 pt

What is a light year?

The distance that light travels in one year

Buzz's name

A large collection of stars, gas, and dust that is help together by gravity

The measure of a star's brightness

10.

Multiple Choice

2 mins

1 pt

What describes this group of stars?

The universe

A galaxy

A moon

A solar system

11.

Multiple Choice

2 mins

1 pt

List the following items in the correct order from largest to smallest:

universe, planet, star, galaxy

galaxy, planet, star, universe

universe, galaxy, star, planet

galaxy, universe, star, planet

12.

Multiple Choice

2 mins

1 pt

A scientist discovers a star through her telescope. After studying it more, she discovers that the star has smaller bodies orbiting it. What did she find?

Moon

Planet

Galaxy

Solar system

13.

Multiple Choice

2 mins

1 pt

Which of these measurements is most similar to a light year?

Milligram

Liter

Degrees Kelvin

Kilometer

14.

Multiple Choice

2 mins

1 pt

If a star is 15 ly from Earth, how long does it take light from that star to reach Earth?

15 minutes

15 light years

15 years

15 hours

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