click below
click below
Normal Size Small Size show me how
Unit 1 Topic 3 vocab
| Term | Definition |
|---|---|
| adhesion | water molecules sticking to other materials |
| cohesion | occurrence of water sticking to other water molecules via hydrogen bonds |
| polar molecule | compound with one negatively charged side and one positively charged side |
| hydrogen bond | the side with the hydrogen atoms (positive charge) attracts the oxygen side (negative charge) of a different water molecule |
| surface tension | thin "skin" on waters surface due to the water molecules sticking together |
| capillary action | cohesion and adhesion working together to allow water to travel against gravity and move up a plant stem |
| specific heat capacity | amount of heat required to change the temperature of a unit mass of a given substance by a unit amount |
| expansion upon freezing | water decreasing in temperature, the molecules move away from each other which causes an increase in volume |
| universal solvent | wherever water goes , either through the ground or living organisms, it takes along valuable chemicals, minerals, and nutrients |