Science
This substance is essential for life and has the chemical formula H₂O.
water
who was the first female to fly solo across the atlantic
Amelia Earhart
This continent is home to the countries of China, India, and Japan.
Asia
what continent is Mexico in
south america
This invention, introduced by Apple in 2007, changed how we use phones.
iPhone
The smallest unit of matter is called this.
atom
This ancient civilization built pyramids as tombs for their pharaohs.
Ancient Egypt
The capital of this country is Ottawa, and it shares the longest international border with the United States.
Canada
what is the name of the largest animal to ever live on earth
the blue whale
This global event in 2020 caused lockdowns, mask-wearing, and online schooling.
COVID-19 pandemic
This gas is needed for fire to burn.
oxygen
This ancient city-state in Greece was known for its military strength.
Sparta
The Nile River flows into this large sea, which separates Africa from Europe.
Mediterranean Sea
what was the world´s largest loss of human life
the chinese floods (1931)
This teenage environmental activist from Sweden became world famous for her climate speeches.
Greta Thunberg
This common table salt is made of two elements: sodium and this one.
chlorine
The Romans used this large arena for gladiator fights.
Colosseum
This desert, the largest hot desert in the world, spans several North African countries.
Sahara Desert
what was the name of the infamous brutal Iraqi prison during the war
Abu Ghraib
This global organization includes 193 member countries and works for peace and cooperation.
United Nations (UN)
The number of protons in an atom determines this, which is listed on the periodic table.
atomic number
This river was central to life in Ancient Mesopotamia.
Tigris or Euphrates River
This South American mountain range is the longest continental mountain range in the world.
Andes
whose name inspired the teddy bear
theodore roosevelt
In 2022, this country invaded Ukraine, leading to a major European conflict.
Russia