This Science quiz is called 'Rocks' and it has been written by teachers to help you if you are studying the subject at elementary school. Playing educational quizzes is an enjoyable way to learn if you are in the 3rd, 4th or 5th grade - aged 8 to 11.
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Rocks and stones are solid minerals. There are many different types. You may have used chalk on a blackboard but did you know that chalk is a rock? Different rocks have different properties. One kind, pumice, can even float! Basalt is one of the most common rocks on Earth because most of the ocean's floor is made from it. The Giant's Causeway, a famous tourist attraction located in Northern Ireland, is formed from hexagonal basalt columns. These columns formed entirely naturally from cooling lava after an ancient volcanic eruption.
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