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Unit 4 Lessons 13-14
Term | Definition |
---|---|
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. |