Grade 5 U2 Exploring Water and Its Properties

Front

What is the boiling point of water at sea level?

Back

Front

What is the melting point of water at sea level?

Back

Front

Why is water called a universal solvent?

Back

Water is called a universal solvent because it dissolves most substances.

Front

Which of the following does NOT cause water pollution?

Back

Smoke does NOT cause water pollution.

Front

What is the main characteristic of particles in a solid?

Back

Particles in a solid are tightly packed and vibrate in place.

Front

What happens to water when it freezes?

Back

When water freezes, it expands and becomes less dense, allowing ice to float.

Front

What is the chemical formula for water?

Back

The chemical formula for water is H₂O.

Front

What is the process of water changing from a liquid to a gas called?

Back

The process of water changing from a liquid to a gas is called evaporation.

Front

What is the process of water changing from a gas to a liquid called?

Back

The process of water changing from a gas to a liquid is called condensation.

Front

What is the importance of the water cycle?

Back

The water cycle is important because it distributes water across the Earth and supports all forms of life.