1) What can be forced out of an active volcano? a) Ash b) Lava c) Gas d) All of the above 2) How many active volcanoes are there in the world? a) 100 b) 1500 c) 1000 3) What is lava? a) Gas b) Rock c) Liquid rock 4) How wide is Olympus Mons? a) 600 km b) 600m 5) Some volcanoes can be found underwater. a) True b) False 6) Largest volcano is on Jupiter a) True b) False 7) Extinct volcanoes can erupt. a) True b) False 8) Lava can glow white hot. a) True b) False

Leaderboard

Visual style

Options

Switch template

Continue editing: ?