O2 facts for kids

O2 is a short name that can mean many different things! It's often used for a type of oxygen, but it can also refer to famous buildings, companies, or even songs. This article will help you understand what people mean when they say "O2."

Science and Technology

When you see O₂ in science, it usually means oxygen. Oxygen is a very important chemical element. It's the gas we breathe to live!

• Oxygen (O₂): This is the most common form of oxygen gas. It's made of two oxygen atoms joined together. We need it to breathe, and it's a big part of the air around us.

Places

Many famous places around the world are called "O2." Most of them are big arenas or entertainment spots.

Entertainment Venues

• The O2 (London, England): This is a huge entertainment area in London. It has many different parts, including restaurants, a cinema, and a music club.
  • The O2 Arena: This is a very large indoor arena located inside The O2 in London. Many famous musicians and sports events happen here.
• O2 Arena (Prague) (Prague, Czech Republic): This is another big arena in Prague, the capital city of the Czech Republic. It hosts concerts, sports, and other big shows.
• O2 World (Berlin) (Berlin, Germany): Now called Mercedes-Benz Arena, this was once known as O2 World. It's a large indoor arena in Berlin, Germany.
• O2 World (Hamburg) (Hamburg, Germany): Similar to the one in Berlin, this arena in Hamburg, Germany, was also once called O2 World.
• The O2 (Dublin) (Dublin, Ireland): This arena in Dublin used to be called The O2. It's a popular spot for concerts and events in Ireland.

Shopping and Other Places

• O2 Centre (London, England): This is an indoor shopping and entertainment center. You can find shops, restaurants, and a cinema here.
• Otoyol 2 (Turkey): This is a major motorway, or highway, in Turkey. It's part of the country's road network.

Arts, Entertainment, and Media

"O2" has also been used as a title for music and characters in games.

Music

Albums

• O₂ (FireHouse album) (2000): An album by the rock band FireHouse.
• O2 (O-Town album) (2002): An album by the American boy band O-Town.
• O₂ (Tonéx album) (2002): An album by the Gospel singer Tonéx.
• O2 (Son of Dave album) (2006): An album by the musician Son of Dave.

Songs

• "O2": A song by the Japanese band Orange Range from their album Panic Fancy.
• "O2": A song by the American rock band Sleater-Kinney from their album One Beat.

Other Media

• O2 (Kirby 64: The Crystal Shards): A character in the video game Kirby 64: The Crystal Shards.

Businesses and Organisations

"O2" is a very well-known brand, especially for mobile phones and internet services.

• O₂ (Telefónica Europe): This is the main brand name for a large telecommunications company in Europe called Telefónica Europe. They provide mobile phone services, internet, and more.
  • O2 Store: These are the shops where you can buy O2 phones and services.
  • O2 (UK): The O2 mobile network in the United Kingdom.
  • O2 Czech Republic: The O2 mobile network in the Czech Republic.
  • Telefónica Germany: The O2 mobile network in Germany.
  • Telefónica Slovakia: The O2 mobile network in Slovakia.
• O2 Academy: This is a chain of popular music venues across the UK. Many bands and artists perform here.
• O2TV: A Russian TV channel that focuses on social and political topics.

Vehicles

Some military aircraft and submarines have also used "O2" in their names.

• Cessna O-2 Skymaster: A military aircraft used for observation and support.
• Douglas O-2: An older military biplane (an airplane with two main wings) used for observation.
• O 2-class submarine: A type of submarine used by the Royal Netherlands Navy.
• USS O-2 (SS-63): A submarine used by the United States Navy, built in 1918.

Other Uses

• O-2 (US uniformed services pay grades): This refers to a specific pay level for officers in the United States military and other uniformed services.
  • First Lieutenant: This is the rank for an O-2 in the Army, Air Force, and Marine Corps.
  • Lieutenant (junior grade): This is the rank for an O-2 in the Navy, Coast Guard, and other services.

See also

In Spanish: O2 para niños