Volcano

Match it! Select the correct answer from the pull down...Good luck!

What type of rock forms when lava hardens?

Which of the following is lava that hardens with sharp jagged edges?

Which type of volcano is the largest?

Which of the following is a depression that forms when magma retreats?

What type of boundary forms volcanic island arcs?

Which of the following was the volcano that erupted in the US in 1980?

Which type of pyroclastic material is the smallest?

Where would you find the most volcanoes?