Basic knowledge
What do we call melted rock that is underground?
Answer: Magma is the term for molten rock beneath the Earth's surface. It forms deep within the Earth due to high pressure and heat and can create volcanoes when it rises to the surface.
Question: Which planet in our solar system has the largest volcano?
Answer: The planet Mars has the largest volcano, called Olympus Mons. It is about 13.6 miles (22 kilometers) tall, making it nearly three times the height of Mount Everest!
Question: Which type of volcano has gentle slopes and erupts with lava flows?
Answer: A shield volcano has gentle slopes and produces lava flows that spread over large areas. Mauna Loa in Hawaii is an example.
What is the color of the sky on a sunny day?
(Answer: Blue)
What is melted rock called when it comes out of a volcano?
Answer: Lava is magma that has reached the Earth’s surface during a volcanic eruption. Once exposed, it cools and hardens to form new land.
True or False: All volcanoes erupt with lava.
Answer: False. Not all volcanoes erupt with lava. Some erupt with ash, gas, and other materials, such as pumice or pyroclastic flows.
Question: What type of volcano erupts explosively and has steep sides?
Answer: A stratovolcano (also called a composite volcano) erupts explosively and has steep, cone-shaped sides. Mount Fuji in Japan is an example.
Name the three states of matter.
(Answer: Solid, liquid, gas)
What do we call a volcano that is not currently active but might erupt again?
Answer: A dormant volcano is one that has not erupted in a long time but is expected to erupt again in the future. These are sometimes called "sleeping" volcanoes.
Question: What is the name of the famous volcano that destroyed the city of Pompeii?
Answer: Mount Vesuvius erupted in 79 AD and buried the ancient Roman city of Pompeii under ash and pumice. It is one of the most well-documented volcanic eruptions in history.
Question: Which gas is most commonly released by a volcano?
Answer: Carbon Dioxide (CO₂) is one of the most common gases released by volcanoes, along with water vapor and sulfur dioxide.
How many continents are there?
(Answer: Seven)
What is the opening at the top of a volcano called?
Answer: A crater is the bowl-shaped opening at the top of a volcano. It is formed by explosive eruptions or the collapse of the volcano’s summit.
Question: What is the word for tiny pieces of rock and glass that come out of a volcano during an eruption?
Answer: Ash is made up of tiny particles of rock and volcanic glass created during explosive eruptions. It can travel hundreds of miles from the volcano and cause health and environmental hazards.
Question: What do we call the study of volcanoes?
Answer: Volcanology is the scientific study of volcanoes, lava, magma, and related geological phenomena. Scientists who study volcanoes are called volcanologists.
What is the smallest country in the world?
(Answer: Vatican City)
Answer: The Ring of Fire is a region that circles the Pacific Ocean, known for frequent volcanic activity and earthquakes. It is home to over 450 volcanoes, which occur due to the movement of tectonic plates in this area.
Question: What is the name of the tallest volcano on Earth, located in Hawaii?
Answer: Mauna Kea, located on the Big Island of Hawaii, is the tallest volcano on Earth when measured from its base on the ocean floor. Its total height is over 33,500 feet (10,210 meters), making it taller than Mount Everest.
Question: What is the name of the world’s largest active volcano, located in Hawaii?
Answer: Mauna Loa, also on the Big Island of Hawaii, is the largest active volcano by volume. It covers about 5,271 square kilometers (2,035 square miles) and has erupted 33 times since 1843. Its eruptions are non-explosive and produce large lava flows.
What is the name of Mickey Mouse’s dog?
(Answer: Pluto)