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Labelled, with what each part is

To label, with a word bank

To label, then the answer key

Four kinds of volcano, labelled

Four kinds of volcano to name, with a word bank

Four kinds to name, then the answer key

Which sheet to print

Labelled, with what each part is names the eight parts on the picture, each joined to its part by a line, and puts a sentence on each under it. To label leaves a numbered, empty box for each part, puts the names in a word bank and, on Letter and A4 in portrait, asks three questions; with the answer key, the labelled sheet follows as a second page and answers them. In Colour the magma and lava print orange and red; Ink saver prints the picture as outlines, to colour in.

Four kinds of volcano

The last three choices in the Sheet menu draw the four kinds side by side. A cinder cone is a small, steep cone of cinders around a single vent, rarely more than about 1,000 feet high. A composite volcano is tall and steep, built in layers, and can rise 8,000 feet above its base. A shield volcano is broad, with gentle slopes, built almost entirely of runny lava: Mauna Loa in Hawaii stands 13,677 feet above sea level. A lava dome is a small heap of lava too thick to flow far; the Novarupta Dome in Alaska is 200 feet high. Under each name the sheet says how high that kind grows, because the pictures cannot be to scale. To name has a numbered line under each picture, a word bank and, on Letter and A4, three questions that the answer key answers.

The kind of volcano on the sheet

The picture shows a composite volcano, also called a stratovolcano: a steep cone built of layers of lava, ash and cinders, with a crater at the top. Mount St. Helens and Mount Rainier in Washington, Mount Hood in Oregon and Mount Shasta in California are composite volcanoes. The U.S. Geological Survey groups volcanoes into four main kinds: cinder cones, composite volcanoes, shield volcanoes such as Mauna Loa and Kilauea in Hawaii, and lava domes, and the Sheet menu prints all four side by side.

Why some volcanoes explode

Magma holds gas, the way a bottle of soda does. When the magma is thin and runny, the gas escapes easily and lava pours out quietly. When it is thick and sticky, the gas cannot get out, the pressure builds, and it escapes in an explosion that throws ash high into the air. The U.S. Geological Survey makes the same comparison: shake a bottle of soda with your thumb over the top, then take your thumb away.

Magma or lava?

They are the same melted rock. It is called magma while it is under the ground and lava once it comes out of the volcano, and the sheet says so under the picture. This follows the U.S. Geological Survey, whose booklet “Volcanoes” is the source of every part on the sheet.

Related printables 12

Solar system

The eight planets in order from the Sun, drawn to one scale down the page, with the edge of the Sun across the top. Print them named with their sizes, with a table of facts, or with the names to write in and an answer key; the planets are left white to colour.

Phases of the Moon worksheet

The eight phases of the Moon in order round a ring, from the new Moon to the waning crescent, with the 29.5 days one cycle takes in the middle. Print them named, to name with a word bank and an answer key, or to shade, or print a Moon journal to draw the real Moon on 30 nights.

Layers of the Earth worksheet

The Earth cut open to show its four layers, the crust, the mantle, the outer core and the inner core, with the core drawn to scale. Print it labelled, with what each layer is and how thick, or with empty boxes and a word bank, and the labelled sheet after it as the answer key. For grades 6 to 8, the same sheets come with six layers, the lithosphere and the asthenosphere added.

Rock cycle worksheet

Magma, igneous rock, sediment, sedimentary rock and metamorphic rock round one loop, with the change between each on its arrow. Print it labelled, to label, to cut and glue, or to sort, each with its key.

Life cycle of a butterfly worksheet

The four stages of a monarch butterfly drawn in a cycle, egg, caterpillar, chrysalis and butterfly, with an arrow from each to the next and what happens at each stage. Print it labelled, to label with a word bank, or with the four pictures to cut out and glue in order; the answer key follows.

Life cycle of a frog worksheet

The four stages of a northern leopard frog drawn in a cycle, egg, tadpole, froglet and frog, with an arrow from each to the next and what happens at each stage. Print it labelled, to label with a word bank, or with the four pictures to cut out and glue in order; the answer key follows.

Life cycle of a plant worksheet

The life cycle of a flowering plant, a bean, drawn in four stages, seed, sprout, seedling and adult plant with its flowers and pods, with an arrow from each to the next and back to the seed. Print it labelled, with what happens at each stage, to label with a word bank, or to cut and glue in order; the answer key follows.

Life cycle of a chicken worksheet

The four stages of a chicken drawn in a cycle, egg, embryo, chick and hen, with an arrow from each to the next and what happens at each stage, the days counted from the egg. Print it labelled, to label with a word bank, or with the four pictures to cut out and glue in order; the answer key follows.

Life cycle of a ladybug worksheet

The four stages of a ladybug drawn in a cycle, eggs, larva, pupa and adult, with an arrow from each to the next and what happens at each stage. Print it labelled, to label with a word bank, or with the four pictures to cut out and glue in order; the answer key follows.

Life cycle of a pumpkin worksheet

The four stages of a pumpkin drawn in a cycle, seed, sprout, flower and pumpkin, with an arrow from each to the next and back to the seed. Print it labelled, with what happens at each stage, to label with a word bank, or with the four pictures to cut out and glue in order; the answer key follows.

Life cycle of an apple tree worksheet

The four stages of an apple tree drawn in a cycle, seed, young tree, blossom and apple, with an arrow from each to the next and back to the seed. Print it labelled, with what happens at each stage, to label with a word bank, or with the four pictures to cut out and glue in order; the answer key follows.

Life cycle of a turkey worksheet

The four stages of a wild turkey drawn in a cycle, eggs in a nest, poult, young turkey and a tom with his tail spread, with an arrow from each to the next and what happens at each stage. Print it labelled, to label with a word bank, or with the four pictures to cut out and glue in order; the answer key follows.

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