How many active volcanoes do you think there are in the world? What makes a volcano active versus dormant or extinct? In What Is a Volcano? for Kids, you and your students will learn the answers to the questions and more. Plus, you can conduct an experiment where you make your own model volcano!
A volcano is a mountain made from cooled lava, ash, or other material from previous eruptions. Some even exist on the ocean floor. There are over 1500 active volcanoes in the world today. Every day, 15 to 20 volcanoes erupt somewhere. In the United States, there are active volcanoes in Hawaii, Alaska, California, Oregon, and Washington. Movements of the earth's crust cause volcanic eruptions.
What's the difference between magma and lava? Magma is located beneath the earth's surface. It is made of liquid or semi-liquid rock. After gas bubbles inside the magma expand and build up the pressure in the volcano, the volcano erupts. Once the magma escapes the volcano, we call it lava. The more often a volcano erupts, the larger it becomes as the lava cools and builds up the volcano.
Keep watching to follow along with a fun experiment to see how volcanoes work. You can pause the video when prompted to make sure you gather all the necessary supplies (and people). For more detailed instructions, check out the link below to our Earthquakes and Volcanoes STEM lesson plan. Hope you enjoy!
We hope you and your student(s) enjoyed learning about volcanoes! If you want to learn even more, head over to our website and download one of our many free lesson plans about these natural features, full of activities, worksheets, and more!
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What you will learn in What Is a Volcano? for Kids:
0:00 Introduction to volcanoes
0:30 What is a volcano?
1:21 How volcanoes form and erupt
2:54 Stages of a volcano
3:39 Preparation for experiment
4:43 Completing the model volcano experiment
5:30 Observation time
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