Governor's cup for science # 19
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| When riding in a car down a fast expressway, the sudden traffic jam causes the driver to put on the brakes hard. As the car quickly comes to a stop, the passengers all lurch forward, held back by their seatbelts. As described by Newton’s first law of motion, with principle of physics is involved? | Potential energy
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| This organ converts beta-carotene into vitamin A, destroys worn-out blood cells, and filters out bacteria. Identify this organ, which also produces bile, an alkaline compound which aids digestion. | Liver
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| By the end of the Paleozoic era, this three- lobed sea creature was extinct. They were among the first creatures to have eyes, and breathed through gills on their legs. What is the primitive arthropod called, which is a useful date marker for paleontologists? | Trilobite
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| This vitamin is fat-soluble, so the body stores it in fat tissue, as well as the liver. It is best known for its role in helping blood to clot. What is this vitamin, the major source of which is found in green leafy vegetables, such as kale, spinach, and turnip greens? | Vitamin K
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| It is defined as an organelle in the cytoplasm of cells that functions in energy production. It is also nicknamed the cell’s “powerhouse.” What is this cell part called? | Mitochondria
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