Quiz on Gases and Properties of Water

What is the state of matter that has no fixed shape or volume?

• Solid

• Liquid

• Gas

• Plasma

Which gas do plants use for photosynthesis?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

What gas do humans breathe in to survive?

• Carbon dioxide

• Oxygen

• Nitrogen

• Helium

Which gas is the most abundant in Earth's atmosphere?

• Oxygen

• Carbon dioxide

• Nitrogen

• Argon

What happens to the volume of a gas when it is heated?

• It decreases

• It stays the same

• It increases

• It disappears

Which gas is used in balloons to make them float?

• Oxygen

• Carbon dioxide

• Helium

• Nitrogen

What is the process called when a gas turns into a liquid?

• Melting

• Freezing

• Condensation

• Evaporation

Which gas is produced when fuels burn?

• Oxygen

• Carbon dioxide

• Nitrogen

• Helium

What is the main gas released during respiration?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

Which gas is used in fire extinguishers to put out fires?

• Oxygen

• Carbon dioxide

• Nitrogen

• Helium