Skip Nav

Volcanoes: Homework Help Chapter Exam

Start your FREE trial. No obligation; cancel anytime.

❶Learn about specific volcanic hazards including lava flows, pyroclastic flows, pyroclastic surges and tephra and measures used to prevent or reduce damage.

Report Abuse

Search form
How it works:
What is a volcano?

Trapped gases cause massive explosions. Huge amounts of ash are thrown high into the air. It is dangerous to live near an active volcano. People who live near the volcano can then have time to evacuate the area.

The lava flow can create huge devastation to land. Lava can clear large areas of farmland and woodland. The natural landscapes and many homes, villages and towns are sometimes destroyed and changed completely. Lava and ash provide valuable nutrients which make the soil very fertile for farming. For this reason, many people choose to live near volcanoes. The heat and activity under and around a volcano can be turned into geothermal energy which provides locals with the energy they need for their homes.

How does a volcano form? Watch the Newsround volcano film, find out how volcanic ash affects aeroplanes and volcanoes are created. What is the term used to describe a dense collection of fragments and gases from a volcanic eruption that flows down the slope of volcano?

Helens in Washington state is known for its massive volcanic eruption that occurred in The eruption reduced the elevation of the mountain from 9, feet to 8, feet and left a mile wide horseshoe-shaped crater where the mountain stood. How would a volcanologist classify this structure?

Which of the following terms describes a type of pyroclastic flow that contains dense lava fragments? Which type of volcano is built from glassy lava fragments that explode from the volcano and cool quickly?

Previous Page Next Page. Create an account today. Browse Browse by subject. Email us if you want to cancel for any reason. Start your FREE trial. What best describes you? Choose one Student Teacher Parent Tutor. Your goal is required. Email Email is required. Email is not a valid email. Email already in use. Cancel before and your credit card will not be charged. Your Cart is Empty. Please Choose a Product.

Password must be at least 8 characters long. Password may only be 56 characters long. Password Confirm Password confirm is required. Password confirm must be at least 8 characters long. Password confirm may only be 56 characters long. Password confirm does not match password. Unlimited access to all video lessons Lesson Transcripts Tech support. See all other plans. First Name Name is required. Homework Help Physical Science - Magnetism: Homework Help Sedimentary Rocks: Homework Help Metamorphic Rocks: Homework Help Physical Science - Earthquakes: Browse Browse by subject.

Email us if you want to cancel for any reason. Start your FREE trial. What best describes you? Choose one Student Teacher Parent Tutor. Your goal is required. Email Email is required. Email is not a valid email. Email already in use. Cancel before and your credit card will not be charged. Your Cart is Empty. Please Choose a Product.

Password must be at least 8 characters long. Password may only be 56 characters long. Password Confirm Password confirm is required. Password confirm must be at least 8 characters long. Password confirm may only be 56 characters long. Password confirm does not match password. Unlimited access to all video lessons Lesson Transcripts Tech support. See all other plans. First Name Name is required. Last Name Name is required. Phone number is required. Phone number is invalid.

Have a Coupon Code?

Create your account, risk-free.

Main Topics

Privacy Policy

A volcano is a landform (usually a mountain) where molten rock erupts through the surface of the planet. In simple terms a volcano is a mountain that opens downward to a pool of molten rock (magma) below the surface of the earth.

Privacy FAQs

What is a volcano? A volcano is a very deep hole in the Earth’s top layer that can let out hot gasses, ash and lava. Many volcanoes are also mountains. Volcanoes have long shafts that go all the way down .

About Our Ads

The Volcanoes chapter of this High School Physical Science Homework Help course helps students complete their volcanoes homework and earn better grades. This homework help resource uses simple and fun videos that are about five minutes long. Shield Volcano: A shield volcano is the largest volcano on the earth that erupt fluid lava. It usually erupts the basaltic type of lava that has low viscosity, which means that it can flow very far and quickly. The largest shield volcano on the earth is Mauna Loa that is situated on the big island of Hawaii.

Cookie Info

Volcanoes: Homework Help Chapter Exam Instructions Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to . Sill - A flat piece of rock formed when magma hardens in a crack in a volcano. Vent - An opening in Earth's surface through which volcanic materials escape. Flank - The side of a volcano. Lava - Molten rock that erupts from a volcano that solidifies as it cools. Crater - Mouth of a volcano - .