4.5 water and stuff Flashcards

1
Q

What is cohesion

A

When water attracts other water molecules

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2
Q

What is adhesion

A

When water attracts molecules that are not water

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3
Q

Solvent

A

Able to dissolve other substances

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4
Q

5 properties of water

A

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.

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