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Water Filter
| Question | Answer |
|---|---|
| A restriction or limit placed on a designed solution or the design process itself. For example, time, money, and materials are all constraints. | Constraint |
| Specific qualities required of a successfully designed solution. For example, strength, durability, reliability, and speed are all criteria. | Criteria |
| A person who uses his or her creativity and understanding of materials, tools, mathmatics, and science to design things that solve problems. | Engineer/engineering |
| Someone concerned with solving problems with air, water, soil, and the natural environment. | Environmental engineer |
| Made, produced, or performed by human beings. | Artificial |
| Tiny, one-celled organisms that are too small to see without a microscope. Bacteria are not animals or plants. | Bacteria |
| A chemical that is used to kill microbes in water. | Chlorine |
| Anything found in the environment that makes it clean or unsafe. | Contaminant |
| The addition of anything to the environment that makes it unclean or unsafe. | Contamination |
| Anything through which a mixture can be passed to remove one or more components. | Filter |
| Living things that are too small to see without a microscope. Bacteria are one type of microbe. | Microbes |
| A tiny piece or part. | Particle |
| A type of light not visible to the human eye. Ultraviolet radiation can be harmful to living organisms. | Ultraviolet light |
| The process of removing contaminants from water. | Water purification |
| Water that has evaporated and is in the form of gas. | Water vapor |