Cobia's Solar System 1 Review

Multiple Choice

It contains all matter and energy.

• Space

• Solar System 

• Universe

• Sun

Multiple Choice

The sun and all of the planets and other bodies that travel around it. 

• Universe 

• Galaxy 

• Star

• Solar System 

Multiple Choice

A relatively large spherical body that orbits a star.

• Star 

• Planet

• Moon 

Multiple Choice

 _______ is the force that holds you to the ground and making things fall when you drop them.

• Gravity

• Apparent Magnitude 

• Black energy

• Dark energy

Multiple Choice

Which of the following is the largest?

• star

• universe

• cluster

• galaxy

Multiple Choice

Gravity is the force objects put on each other because of their ______.

• mass

• friendliness

• acceleration

• speed

Types of Galaxies

Galaxy

A Galaxy is a huge collection of gas and dust along with billions of stars in their solar systems. A galaxy is held together by gravity. Some scientists think there could be as many as 100 billion galaxies in the universe. Galaxies have different shapes and are classified according to Hubble Classification.

Multiple Select

What does a galaxy consist of ?

• stars

• dust

• gas

• solar systems

Multiple Choice

What is a galaxy held together by?

• solar systems

• gas

• dust

• gravity

Multiple Choice

How are galaxies classified?

• by solar systems

• by dust

• by shapes

• by gas

Four Main Classifications of Galaxies

• Elliptical Galaxies

• Spiral Galaxies

• Lenticular Galaxies

• Irregular Galaxies

Multiple Choice

What type of galaxies have a bright central bulge and are surrounded by an extended disk like structure?

• Lenticular Galaxies

• Spiral Galaxies

• Irregular Galaxies

• Elliptical Galaxies

Multiple Choice

What type of galaxies have arms?

• Spiral Galaxies

• Lenticular Galaxies

• Elliptical Galaxies

• Irregular Galaxies

Multiple Choice

What type of galaxies are featureless and spherical in shape?

• Irregular Galaxies

• Spiral Galaxies

• Elliptical Galaxies

• Lenticular Galaxies

Multiple Choice

What is the type of the Milky Way Galaxy?

• Regular Spiral

• Barred Spiral

Open Ended

Place the following in order from largest to smallest.

Planet, Galaxy, Universe, Solar System