1) What are stars? a) Stars are bright balls of hot gas. b) Stars are shiny rocks in space. c) Stars are giant ice crystals. 2) What is a nebula? a) A nebula is a planet made of gas. b) A nebula is a group of bright stars. c) A nebula is a cloud of dust and gases. 3) What does a nebula have to do with stars? a) Nebulas make planets for stars to live on. b) Some nebulas are exploded stars, and some are stars that are still forming. c) Nebulas are star groups that move together in space. 4) Why are stars different colors? a) Stars change color depending on how old they are. b) Stars are painted by space dust in different colors. c) Stars have different temperatures which makes them different colors. 5) How many galaxies are there in the universe? a) There are billions of galaxies in the universe. b) There are only ten galaxies in the universe. c) There are a few hundred galaxies in the universe.

Leaderboard

Visual style

Options

Switch template

Continue editing: ?