Pookie's Cool Facts archive.

Filter  Item Title Oils are liquids that do not dissolve in water and burn easily. The body's thirst center is the hypothalamus. The leopard is by far the best climber of the big cats. The bumblebee bat of Thailand is the world's smallest mammal. Most streams in deserts flow only occasionally, leaving dry stream beds called wadis or arroyos. The people of the Ice Age risked their lives to hunt the fierce woolly mammoth. Like reptiles today, dinosaurs had claws or similar hard structures at the ends of their digits. The full name of Tyrannosaurus is Tyrannosaurus Rex, which means "king of the tyrant reptiles". Your spinal cord is about 17 in (43 cm) long and 0.4 in (1 cm) thick. SETI is the Search for Extraterrestrial Intelligence. Observatories are special places where astronomers study space. Pandas have an inefficient digestive system. Reindeer are the only deer in which both male and female have antlers. A beaver signals danger by smacking the water with its tail. Sharks have a skeleton made of rubbery cartilage. Sharks have a skeleton made of rubbery cartilage. Giant planets have now been detected orbiting stars other than the Sun. Sir Isaac Newton was one of the greatest scientists. Energy is never lost nor gained; it simply moves or changes. Proteins are needed to build and repair cells. Normal pulse rates vary between 50 and 100 beats a minute. The cardiovascular system is the heart and the blood circulation. Milk and its products, such as butter and cheese, are key sources of calcium. Quasars are extremely lumious objects at the center of some distant galaxies. The coldest places in the world are the North and South Poles. One definition of a hill is high ground up to 1,007 ft (307 m) high. Wetlands are areas of land where the water level is mostly above the ground. Rockets work by burning fuel. The wrist is one of the best places to test the pulse. In deep water tsunamis travel almost unnoticeably below the surface. An ecosystem is a community of living things interacting with each other and their surroundings. Antarctica is one of the driest places on Earth, with barely any rain or snow. Advection fog forms when warm, moist air flows over a cold surface. Auroras are bright displays of shimmering light. Galaxies are often found in groups called clusters. Metals are usually shiny. Coordination means balanced or skillful movement. Sea anemones are tiny, meat-eating animals that look a bit like flowers. Beavers are large rodents with flat, paddle-like tails. Hydrocarbons are compounds made only of carbon and hydrogen atoms. Temperature is how hot or cold something is. Copper is one of the few metals that occur naturally in a pure form. Atoms are tiny particles that build together to make every substance. Animals sense the world in a variety of ways, including by sight, hearing, touch, smell, and taste. Otters are small hunting mammals that are related to weasels. Cumulus clouds are fluffy white clouds. Oases are places in the desert that have water supplies. Astrologers believe that the movements of planets and stars have an effect on people's life. Constellations are simple patterns. Most lights in the sky are stars.   << Start < Prev 1 2 3 4 5 6 7 8 9 10 Next > End >> Results 251 - 300 of 772

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