Properties of Water

Front

What is a polar molecule?

Back

A molecule in which opposite ends have opposite electric charges.

Tags

NGSS.MS-PS2-3

Front

What two elements make up water?

Back

Hydrogen and oxygen.

Tags

NGSS.MS-PS1-1

Front

Why does ice float on water?

Back

As water freezes, it expands and its density decreases.

Front

What is capillary action?

Back

The property of water that allows water to move up a thin tube (or the stem of a plant) by itself.

Front

What is the boiling point of water?

Back

100 degrees Celsius.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is cohesion in water?

Back

The property of water molecules sticking to each other due to hydrogen bonding.

Front

What is adhesion in water?

Back

The property of water molecules sticking to other surfaces.

Front

What is surface tension?

Back

The cohesive force at the surface of a liquid that makes it behave like a stretched elastic membrane.

Front

What is the significance of water's high specific heat?

Back

It allows water to absorb and release large amounts of heat without significant temperature changes, stabilizing climates.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is density?

Back

Density is the mass of a substance divided by its volume; ice is less dense than liquid water.