This Science quiz is called 'Growth' 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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Growth is maturing. Growing is something that you are doing all the time without even having to think about it. You grow a little bit taller every day, although you may not notice it. Over time you will have changed from a child into an adult. But humans are not the only living organisms to grow - animals and plants do too. You may have seen your pet change from a small puppy into a fully grown dog. It's easy to see plants growing - plant some seeds and, before long, they'll have roots and stems.
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Wool and leather come from animals and wood comes from trees - these materials come from living organisms
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All living organisms are made up of cells. Even once-living materials such as wood, wool or leather are still made up of cells
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Only a few cells are large enough to be seen with the naked eye
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All living organisms grow! Growth is one of the life processes. Adults continue to grow, hair and nails for example - they just don't (usually) grow taller!
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Marble is made of tiny particles, not cells
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Without food, water and rest we would soon die
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Minerals from the soil help plants to grow as well as possible
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Cells are also produced to repair a living organism when it has been injured or damaged
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The outer skin of a snake is dead and cannot grow - as the snake grows, a new layer of skin forms underneath and the old skin is shed. Many insects regularly discard their exoskeletons for the same reason
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Living organisms only stop growing at death
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