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Java Games: Flashcards, matching, concentration, and word search. |
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Cells and Heredity: Ch. 1 Sec. 4
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| selectively permeable | some substances can pass through while others cannot |
| diffusion | the process by which molecules tend to move from an area of higher concentration to an area of lower concentation |
| osmosis | diffusion of water molecules through a selectively permeable membrane |
| passive transport | movement of materials through a cell membrane without using energy |
| active transport | movement of materials through a cell membrane using energy |
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7th and 8th Grade Science Instructor |
Minneapolis Jr. Sr. High School |
| Minneapolis, KS |
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