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Unit 4 Lessons 13-14

TermDefinition
century 100 years.
migrate To move from one place to another, usually during a particular season, to find a place for breeding or to find food.
populate When people or animals live there, often in large numbers.
survive To manage to live or continue in spite of difficult circumstances.
predator A predator is an animal that kills and eats other animals (its prey).
balance A situation in which all the parts are equal in strength or importance.
appear To become visible or come into your sight.
scientific A word used to describe things that relate to science.
element Something in the universe, such as oxygen, mercury, or gold, that is made up of one kind of atom.
atom The smallest piece of a certain element that still acts like that element.
molecule This is formed when two or more atoms (alike or different) are joined together.
gallium This element is soft, silvery gray metal that melts easily when held in the palm of your hand.
surface Something's outer boundary.
process A series of actions that have a particular result, such as factory workers taking raw materials and changing them into something else.
Created by: MrsLaFayette
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