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Cell & Sci Method
10 week CFA 8th grade- cells, sci method
| Term | Definition |
|---|---|
| cell wall | A tough, rigid outer covering that protects the cell and gives it shape |
| cell membrane | The protective layer around all cells; controls what happens between a cell and its environment |
| cytoplasm | Gel-like material where chemical reactions occur |
| nucleus | Directs all cell activities; contains DNA |
| nucleolus | Assembles ribosomes |
| chloroplast | Where food is made; contains chlorophyll |
| mitochondria | Releases energy by breaking down food into carbon dioxide and water |
| ribosomes | Make proteins |
| endoplasmic reticulum | A series of folded membranes in which materials can be processed and moved around inside the cell |
| golgi body | Sort proteins and other cellular materials |
| lysosome | Break down and recycle materials |
| vacuole | Store cellular materials, such as water, wastes and food |
| inference | A prediction; what you think |
| model | A representation to show the appearance of something |
| conclusion | A result or final outcome |
| hypothesis | An educated guess |
| observation | Fact based on your senses |
| data | Information gathered during an experiment |
| control | Used as a standard of comparison |
| independent variable | Variable that is changed |
| dependent variable | Variable that is measured |