4.5 water and stuff Flashcards
(4 cards)
What is cohesion
When water attracts other water molecules
What is adhesion
When water attracts molecules that are not water
Solvent
Able to dissolve other substances
5 properties of water
Cohesion and Adhesion: When water attracts other water and other molecules. It helps plants transport water up to their leaves.
The solvent of life: The water dissolves many other molecules. Hydrogen bonds dissolve the negative ions. Important for transporting nutrients.
Ice is less dense than water: Ice will float on water. Hydrogen bonds hold the ice in the ice shape. Important for marine life because ice only forms on the top.
High Specific Heat: The amount of energy to heat up 1 gram of a substance by 1 degree Celsius. It helps living things maintain homeostasis.
High heat of vaporization: The amount of heat to convert 1 gram of a substance into gas. This helps the earth maintain its temperature.