| A | B |
|---|
| technology | The application of science to make products or tools that people |
| scientific method | Ways or steps to follow to solve problems. |
| control | A sample that is treated like the other experimental groups |
| constant | The variables that stay the same. |
| dependent variable | The factor being measured. |
| independent variable | The variable that is changed. |
| hypothesis | A prediction that can be tested. |
| model | This represents things that happen too slowly, too quickly, or are too big or too small to observe directly. |
| experimental research design | This is used to answer scientific questions by testing a hypothesis through the use of a series of carefully controlled steps. |
| descriptive research | Answers scientific questions through observation. |
| cell wall | the definite boundary or wall that is part of the outer structure of the cell |
| endoplasmic reticulum | a network of tubular membranes that is involved in the transport of materials within the cell |
| vacuole | A small cavity in the cytoplasm of a cell, which contains water, food or waste. |
| mitochondrion | an organelle in the cytoplasm of cells that functions in energy production |
| nucleus | a central part of the cell with a double membrane that directs the growth, metabolism and reproduction of the cell |
| ribosome | a tiny part of the cell that produces protein |
| cell membrane | a thin layer that encloses the cell and controls what goes in and out of the cell |
| cytoplasm | the cell substance between the cell membrane and the nucleus, it is full of proteins that control cell metabolism |
| lysosomes | a part of the cell that breaks down food molecules |
| golgi bodies | a part of the cell that’s function is to prepare and store chemical products in the cell, and to secrete these outside the cell |
