Universe Vocabulary Part 1

Open Ended

Why do you think studying the universe is important for us as humans?

Multiple Choice

Which of the following best describes a galaxy?

• A system of millions or billions of stars, gas, and dust held together by gravity

• A single star with planets orbiting it

• A planet with its moon

• A cloud of gas in space

Multiple Choice

Which type of galaxy is characterized by arm-like structures that surround a dense area of stars in the middle, called a bulge?

• Spiral Galaxy

• Elliptical Galaxy

• Irregular Galaxy

• Nebula

Multiple Select

Which of the following are true about barred spiral galaxies?

• They have a thick line of stars called a bar through the middle.

• The bar extends off of the bulge in the center.

• They have no apparent shape.

• They are typically the youngest type of galaxy.

Multiple Choice

What is the main difference between irregular galaxies and elliptical galaxies?

• Irregular galaxies have no apparent shape, while elliptical galaxies are oval or spherical.

• Irregular galaxies are made of older stars, while elliptical galaxies are made of younger stars.

• Elliptical galaxies have a bar structure, while irregular galaxies do not.

• Elliptical galaxies are always smaller than irregular galaxies.

Open Ended

Explain how a nebula is different from a galaxy. Use details from the images to support your answer.

Open Ended

After learning about the universe and galaxies, what is one question you still have or something you would like to explore further?

Multiple Choice

What is the main difference between a galaxy and the universe?

• A galaxy contains stars, gas, and dust, while the universe contains everything including galaxies.

• A galaxy is larger than the universe.

• The universe is made up of only one galaxy.

• Galaxies do not contain stars.