Earth Science Quiz

What is the most abundant compound on Earth?

• Oxygen

• Nitrogen

• Water

• Carbon Dioxide

Approximately what percentage of Earth's surface is covered by water?

• 50%

• 60%

• 70%

• 80%

What is the nature of water in its purest form?

• Colourless, odourless, and tasteless

• Colourful, odourless, and tasteless

• Colourless, odorous, and tasteless

• Colourless, odourless, and flavourful

What causes the taste in water?

• The temperature of the water

• The minerals dissolved in it

• The source of the water

• The container it is stored in

Where is water supplied and used in modern properties?

• Only in hot water systems

• Only in cold water systems

• In both hot and cold water systems and wet central heating systems

• Only in wet central heating systems

Water is a unique compound because it can exist in how many states of matter?

• One

• Two

• Three

• Four

Which of the following is NOT a state of matter in which water can exist?

• Solid

• Liquid

• Gas

• Plasma

In its solid state, water is known as:

• Steam

• Ice

• Water

• Vapor

What is the liquid state of water commonly called?

• Ice

• Steam

• Water

• Vapor

What is the gaseous state of water known as?

• Ice

• Water

• Steam

• Liquid