Air and Atmosphere Quiz

The layer of air that surrounds Earth.

The gas that makes up almost four-fifths of the air we breathe.

The gas we need to breathe.

The air becomes thinner as you go higher.

Air takes up space and prevents water from entering.

A mixture of many gases, mainly nitrogen and oxygen.

The process of observing, investigating, and interpreting information.

Tiny particles suspended in the air, originating from sources like traffic, wind, and volcanic eruptions.

The presence of dust particles in air can vary depending on location and time.

Dust particles in the air pose health risks, as they can enter the respiratory system and cause harm.

A simple experiment to demonstrate the presence of dust particles in the air by shining a beam of light into a darkened room.

Gases that are unreactive and present in small amounts in air, such as helium, neon, argon, krypton, and xenon.

Diverse applications of inert gases encompass fields like lighting, welding, and medical imaging.

The process of water vapor transforming into liquid water droplets, forming clouds.

The act of releasing smoke, often from vehicles, through an exhaust pipe.

The essential role of air in sustaining life, primarily providing oxygen for breathing.

Numerous applications of air extend beyond breathing, including powering wind turbines and inflating tires.

Chemical compounds made of chlorine, fluorine, and carbon. Used in refrigeration, air conditioning, and aerosol sprays.

CFCs damage the ozone layer, which protects us from harmful UV radiation from the sun.

Finely divided solid or liquid particles suspended in air, such as dust, smoke, and fly ash.

Trees absorb excess carbon dioxide from the air, reducing air pollution.

Using bicycles for short distances saves fuel and reduces air pollution.

The most abundant gas in the air, making up around 78% of its composition. It is colorless, odorless, and tasteless. Nitrogen is essential for living things, playing a vital role in plant growth as it is used to create proteins.

The second most abundant gas in the air, making up around 21% of its composition. It is essential for breathing and is vital for the process of respiration, allowing us to convert food into energy. It is also colorless, odorless, and tasteless.

A gas that makes up about 1% of the air. It is necessary for plant growth and is released during respiration in animals. Carbon dioxide is colorless, odorless, and tasteless.

A gas that is always present in the air in varying amounts. It is a colorless, odorless, and tasteless gas that is essential for the water cycle.

The sum of all the other gases present in the air, including argon, helium, and trace amounts of other gases. They are essential for various atmospheric processes.

Tiny particles that are suspended in the air. These may include dust, pollen, smoke, and other particulate matter. They can affect air quality and human health.

The process by which living organisms use oxygen to convert food into energy. It is essential for survival and involves taking in oxygen and releasing carbon dioxide.

The ability of a gas to dissolve into a liquid. Oxygen is slightly soluble in water, making it available for aquatic organisms.

The process of converting the chemical energy stored in food into a form usable by cells. This process requires oxygen and is a key feature of life.

The process where iron combines with oxygen in the presence of water to form iron oxide (rust).

A reddish-brown flaky substance that forms on iron when it rusts. It's a compound made of iron and oxygen.

A gas released by animals and plants during respiration, and by burning fuels. Plants use this gas during photosynthesis.

The process by which plants use sunlight, water, and carbon dioxide to produce their own food (sugars) and release oxygen.

The process of burning fuels like wood, coal, and kerosene to release energy.

The presence of oxygen, which is a gas in the air, is necessary for rusting to occur.

The presence of water (or moisture) is essential for iron to rust. This can be in the form of liquid water or water vapor in the air.

Conditions necessary for rusting to occur, including the presence of oxygen and water.