Science:(first circle)

Need for lesson - Parts of a Volcano booklet.

Index File Card

can be pasted onto an index file card for quick reference

 


Science 73

We have talked about the layers of the Earth. We learned about the Earth's rivers and mountains. Today we want to talk about volcanoes. What is a volcano? A volcano is a mountain that opens downward to a pool of molten rock below the surface of the Earth. When pressure builds up, eruptions occur. Gases and rock shoot up through the opening into the air and spill over the mountain. Deep inside the Earth there is magma, which is liquid rock. Lave is the liquid rock (magma) that flows out of the volcano. Fresh lava glows red hot to white as it flows. Lave flows slow down and thicken as harden. Some volcanoes are what is called extinct. They no longer erupt. Volcanoes that can or do erupt are considered active volcanoes. There are more than 1500 active volcanoes on the Earth. Do you think all volcanoes are on the land of the Earth? There are some that are in the oceans.

Scientist that study volcanoes are called volcanologists. They discovered that there are different kinds of volcanoes, and organized them into four different types: cinder cones, composite volcanoes, shield volcanoes, and lava volcanoes.

Cinder cones volcanoes are circular or oval cones made up of small fragments of lava from a single vent that have been blown into the air, cooled and fallen around the vent.

Composite volcanoes are steeped-sided volcanoes with many layers of volcanic rock.

Shield volcanoes are those that are shaped like a bowl having long gentle slops made by lava flows.

Lava volcanoes are formed when erupting lava is too thick to flow and makes a steep- sided mound as the lava piles up near the volcanic vent.

(Demonstrate parts of a volcano booklet)

 


 

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Volcano Booklet

Art:

Volcanoes - Cut a piece out of paper plate - up to the center and then into a circle and back down next to your first cut, so that when it is folded into a cone shape it has a hole at the top. Staple them in place. Children add tissue paper lava and paint the plates to make volcanoes.

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Volcano Art

Group Activity:

Making Volcanoes - Have small water bottles with baking soda, red food coloring, and dish soap ready to go. Make groups of three or four children each. In the sandbox, give each group a place to form volcano mountains with wet sand around their bottle. I like to give them dinosaurs and/or other things to add around their volcanoes. When they are ready for the eruption, pour vinegar into their bottles-and wait for the lava to flow over.

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Volcano Fun

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Volcano Fun

Zoology: (second circle)

Need for lesson - Pictures and/or small animals that can be found on a farm.

Discuss with the children, the different kinds of farms you've been talking about and that now you want to look at some animals that can be found on a farm.

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Farm Animals (MontessoriPrintShop.com)

Art:

Farm Animal Coloring

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Practical Life:

Farm Animal Magnets

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Magnets