Use the phrases from the list to complete the sentences.

1. A ... sends ash and gas flying up into the atmosphere. 2. Martin is a ... who takes pictures of different volcanoes all over the world. 3. Sam hiked to the top of the volcano in snow and ... . 4. John spent three ... camping in the jungle. The mosquitoes kept him awake. 5. Mauna Kea in Hawaii is a ... . It hasn't erupted for at least 4000 years. 6. He took some ... of the volcano erupting; they were very beautiful!