Front

What makes water essential for life?

Back

Its ability to exist in three states of matter naturally on Earth.

Front

Why is the discovery of water in space exciting for scientists?

Back

It suggests the presence of life.

Front

What type of bond is formed between two water molecules?

Back

Hydrogen bond

Front

What property of water allows insects to walk on its surface?

Back

Surface tension

Front

Capillary action

Back

The movement of water through a narrow space against gravity.

Front

Why is water considered an excellent solvent?

Back

It can dissolve more substances than any other liquid.

Front

What was Henry Cavendish's contribution to science?

Back

He was the first to recognize hydrogen gas as a distinct substance.

Front

What does it mean when a substance is hydrophilic?

Back

It dissolves well in water.

Front

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

Back

It allows water to regulate Earth's climate.

Front

What happens to water molecules as they freeze?

Back

They form crystalline structures that are less dense than liquid water.