click below
click below
Normal Size Small Size show me how
Everyday Life Forces
Forces in Everyday Life
| Term | Definition |
|---|---|
| Geotropism | The movement or growth of an organism in response to gravity. |
| Thigmotropism | The movement or growth of an organism in response to contact. |
| Thermotropism | The movement or growth of an organism in response to changes in temperature. |
| Phototropism | The movement or growth of an organism in response to light. |
| Hydrotropism | The movement or growth of an organism in response to an abundance or a lack of water. |
| Chemotropism | The movement or growth of an organism in response to a chemical stimulus. |
| Tropism | Growth in response to a stimulus. |
| Phloem | Living cells, transports food from leaves. |
| Xylem | Dead cells, transports water from roots to leaves. |
| Osmosis | Movement from high to low concentration. |
| Transpiration | Evaporation of water lost through the leaves. |
| Auxin | Plant growth hormone made on the tips and roots. |
| Cytoplasm | The jelly like material that makes up much of a cell inside the cell membrane and surrounds the nucleus. |
| Force | The push or pull that can change the motion of an object. |
| Turgor Pressure | Force of water molecules against the cell wall that allows plants to stand up straight. |
| Motion | The change in an objects position with respect to time and in comparison to the position of other objects used as reference points. |