Unit 7 Lesson 6 Galaxies and Stars

What are stars made of?

• Ice

• Water

• Hot gas

• Rocks

What is the title of the chapter?

• The Sun and Moon

• Planets and Stars

• Galaxies and Stars

• The Night Sky

What do stars in the night sky look like?

• Big balls of ice

• Big balls of rock

• Big balls of hot gas

• Big balls of water

What does the Greek root word "astron" mean?

• Moon

• Star

• Sun

• Planet

What is true about some stars compared to others?

• Some stars are closer to Earth

• All stars are the same distance from Earth

• No stars are close to Earth

• All stars are far from Earth

What is true about the temperature of some stars?

• All stars are cold

• Some stars are hotter than others

• All stars are the same temperature

• No stars are hot

The hottest and closest stars to Earth appear (a)   than other stars.

• Dimmer than other stars
• Brighter than other stars
• The same as other stars
• Invisible

A large group of stars that cluster together in one area is called a (a)  

• Planet
• Galaxy
• Comet
• Asteroid

Match the following descriptions with the shape of galaxies.

• A galaxy with arms winding outward from the center.

• Oval

• An elongated circle or an ellipse.

• Circular

• A shape with all points equidistant from the center.

• Spiral

• A four-sided shape with equal sides and right angles.

• Square

What is the term for a large group of stars?

• Planet

• Galaxy

• Comet

• Asteroid