Properties of Water

Front

What is surface tension?

Back

Surface tension is the property of water that allows it to resist external force due to the cohesive nature of its molecules.

Front

Why is most of the water on Earth unusable by humans?

Back

Most of the water on Earth is unusable by humans because it is salt water, which makes up about 97% of the Earth's water.

Front

What is capillary action?

Back

Capillary action is the ability of water to move through narrow spaces, such as in plants, where it helps transport water from roots to leaves.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Front

What does cohesive mean in relation to water?

Back

Cohesive means that water molecules stick to each other, which is why water forms droplets.

Front

What percentage of Earth's water is potable?

Back

.003% of Earth's water is suitable for drinking.

Front

What is adhesion in the context of water?

Back

Adhesion is the property of water that allows it to stick to other surfaces, such as when water climbs up a glass tube.

Front

How does water's density change when it freezes?

Back

Water expands and becomes less dense when it freezes, which is why ice floats on water.

Front

What is the universal solvent?

Back

Water is known as the universal solvent because it can dissolve more substances than any other liquid.

Front

What role does water play in temperature regulation?

Back

Water has a high specific heat capacity, which means it can absorb and store heat, helping to regulate temperature in the environment.

Tags

NGSS.MS-ESS2-6

Front

What is the significance of water's polarity?

Back

Water's polarity allows it to form hydrogen bonds, which are crucial for many of its unique properties.

Tags

NGSS.MS-ESS2-4