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    What are rocks for kids?

    Can you identify my rock or mineral?

  2. rock - Kids | Britannica Kids | Homework Help › kids › article

    Rock, or stone, is a hard material made up of one or more minerals. Rock makes up the outer layer of Earth, called the crust. The lower parts of this layer are solid rock, or bedrock. Broken bits of rock lie on top.

  3. Rock | Definition of Rock by Merriam-Webster › dictionary › rock

    Rock definition is - to move back and forth in or as if in a cradle. How to use rock in a sentence. Synonym Discussion of rock.

  4. Earth Science for Kids: Rocks, Rock Cycle, and Formation › science › rocks

    A rock is a solid made up of a bunch of different minerals. Rocks are generally not uniform or made up of exact structures that can be described by scientific formulas. Scientists generally classify rocks by how they were made or formed. There are three major types of rocks: Metamorphic, Igneous, and Sedimentary.

  5. Types of Rocks: Lesson for Kids - Video & Lesson Transcript ... › types-of-rocks-lesson-for-kids

    Feb 26, 2021 · There are three types of rock on Earth: igneous, sedimentary, and metamorphic. Some things on Earth are different because of the way they look or feel. Rocks come in all shapes, sizes, and colors,...

    • 2 min
    • What Is A Property?
    • Color & Texture
    • Shape & Size

    A propertyis a way of describing how something looks; it's an attribute or characteristic. Different rocks, which are solid materials made up of one or more minerals, have various properties that make each unique. Scientists who study rocks are called geologists, and they use properties of rocks to sort rocks into different categories and to identify new rocks. Before you read more, go outside and find a rock. Then you can describe your new rock using all the properties below!

    Rocks can be a wide variety of colors, from black to purple to yellow, and some rocks can be more than one color. Have you ever seen a piece of quartz? This type of rock is sometimes used to make countertops and even glass, and it can come in blue, brown, pink, purple and red. It can even be completely colorless! The streakof a rock is the color of a rock when it is crushed into a powder. Sometimes, the streak of a rock is a different color than the rock itself. What color (or colors) is your rock and its streak? The word texturerefers to how a rock feels. When you hold your rock in your hand, does it feel bumpy? Smooth? Rocks have different textures because of their grain size, which is the size of sand or smaller minerals that make up the rock.

    Rocks can be so many different sizes. Did you know that both a grain of sand and a huge mountain are rock? Your rock is probably somewhere between these two sizes. Every rock also has a distinctive shape. Is your rock round? Is it shaped like a rectangle or a pyramid? The varying shapes and sizes of rock are caused by the way rocks are formed, how they're created inside the Earth's layers and, when they make their way to Earth's surface, how the wind, water, and other elements wear away at them.

    • 3 min
  6. Types of Rocks - Kids Love Rocks › educational-resources › types-of

    Igneous Rocks. Igneous Rocks Igneous rocks are formed from melted rock that has cooled and solidified. When rocks are buried deep within the Earth, they melt because of the high pressure and temperature; the molten rock (called magma) can then flow upward or even be erupted from a volcano onto the Earth’s surface.

  7. Fun Rock Facts for Kids - Information about Types of Rocks ... › sciencefacts › earth

    Rocks and stones are naturally occurring solids made up of minerals. The Earth's crust is made up of rock. Rocks have been used by humans for millions of years, from early tools and weapons through to various construction materials. There are three different types of rocks based on the way they form, igneous, sedimentary and metamorphic.

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