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The Earth’s surface is covered by its thinnest layer, the crust. Land is made of continental crust, which is 8km to 70km thick and made mostly from a rock called granite. The layer beneath the ocean bed is made of oceanic crust, which is about 8km thick and made mainly from a rock called basalt.
Earth & water worksheets - These grade 2 earth science worksheets introduce terminology (names of landforms and bodies of water) as well as concepts (how the earth is constantly changing, the water cycle).
These second grade Earth and space science worksheets simplify and reinforce a variety of topics, including weathering and erosion, cloud formation, Earth’s layers, natural resources, the solar system, and so much more.
Earth means “the ground” in Old English and German. Physical Features. Size: 7,926 miles (12,756 kilometers) in diameter. Surface: Water and land. Water covers about 70 percent of Earth’s surface. This water is in the form of oceans, rivers, and lakes. Land covers about 30 percent of Earth’s surface.
4 Οκτ 2017 · Earth is the fifth-largest planet in the solar system. Its diameter is about 8,000 miles. And Earth is the third-closest planet to the sun. Its average distance from the sun is about 93 million miles. Only Mercury and Venus are closer. Earth has been called the “Goldilocks planet.”
The four Layers of the Earth are the inner core, outer core, mantle, and crust. In the layers of the earth diagram above, you can see each distinct layer is visually represented. Below you’ll find free, printable layers of Earth resources in PDF format for your elementary students.
Use this activity to begin an introductory discussion about Earth’s surface. Explain that maps are a way of showing what Earth’s surface looks like. Maps often include both human-made features, such as roads and buildings, and natural features, such as mountains and lakes. Many maps also show water.
