List of Words for Letter ‘C’
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camouflage An adaptation by which an animal can hide by blending in with its surroundings.
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cast A fossil formed or shaped within a mold.
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cell The smallest unit of living matter.
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change of state A physical change of matter from one state—solid, liquid, or gas—to another state because of a change in the energy of the matter.
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chemical change A change that produces new matter with different properties from the original matter.
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circuit A path through which electric current can flow.
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circulatory system The organ system that moves blood through the body.
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climate The average weather pattern of a region over time.
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clone An offspring that is an exact copy of its parent.
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cloud A collection of tiny water droplets or ice crystals in the atmosphere.
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cnidarian An invertebrate with stinging cells on the ends of tentacles.
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cold-blooded Said of an animal that cannot control its body temperature.
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cold front A boundary where a cold air mass slides under a warm air mass.
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comet A chunk of ice, rock, and dust that orbits the Sun.
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community All the populations in an ecosystem.
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competition The struggle among living things for water, food, or other resources.
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compost A mixture of decaying matter that helps plants grow in soil.
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compound A substance made when two or more elements join and lose their own properties.
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compound machine A combination of two or more simple machines.
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condensation The process of a gas changing to a liquid.
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conduction The transfer of energy between two objects that are touching.
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conductor material through which heat or electricity flows easily.
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conservation Saving, protecting, or using resources wisely.
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constellation A group of stars that appear to form a pattern in the night sky.
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consumer An organism that cannot make its own food.
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convection The transfer of energy by flowing gases or liquid, such as the rising of warm air from a heater.
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crater A hollow area or pit in the ground.
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crust Solid rock that makes up the Moon’s and Earth’s outermost layers.
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current The directed flow of a gas or liquid.
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current electricity The flow of electrical charges.