| Term | Definition |
|---|
| symbols | Elements are represented by_______ |
| compuonds | Two or more substances that are chemically combined_________ |
| souring of milk burning of wood and rusting of a nail | List three examples of a chemical change |
| matter | Anything that has mass and takes up space______ |
| elements | Substances that cannot be broken down chemically into other substances are ________ |
| hardness texture and color | List three examples of a physical property |
| mass | The amount of matter in an object is its _____ |
| tightly together but able to move around | How are the particles in a liquid arranged? |
| atoms | All elements are composed of extremely small particles known as _____ |
| has a definate volume and a definate shape | What is the definition of a solid? |
| solid | What state of matter has particles that are packed tightly together in a fixed position? |
| has no shape of its own but has a definate volume | What is the definition of a liquid? |
| doesnt have a definate shape or volume | What is the definition of a gas? |
| freezing | A liquid changes into a solid by the process of ________ |
| condensation | A gas changes into a liquid by the process of ____________ |
| the way it is made | An organisms structure is___________________________________________ |
| water | What is the most abundant chemical in living cells? |
| food water space and shelter | What do all living things need to survive? |
| responce | Some one scares you and you scream and jump is an example of a__________ |
| stimulous | What causes a responce in an organism? |
| taxonomy | The study of how living thinggs are classified _______ |
| 350 | A microscope has two lenses , one has a magnification of 10 and te other has a magnification of 35. Caculate the total magnification___ |
| the cell membrane controls what goes into and out of it | What is the function of the cell membrane? |
| it protects the cell from the enviorment | what is the function of the cel wall? |
| race horses tomatoes and cattle | Name three examples of selective bbreeding |
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