This planet is known as the Red Planet.
What is Mars?
This is the longest river in the world by length.
What is the Nile?
This organ pumps blood through the human body.
what is the heart?
The basic unit of life.
What is a cell?
This large flightless bird is native to Australia and is the fastest running bird.
What is an emu?
This ocean is the largest on Earth.
What is the Pacific Ocean?
This country has the most time zones in the world.
→ What is France?
What force pulls objects toward the center of the Earth?
what is Gravity?
The molecule that carries genetic instructions.
What is DNA?
This fruit floats in water because 25% of its volume is air.
What is an apple?
This blood type is known as the universal donor.
What is O negative?
This capital city sits at the highest elevation of any capital in the world.
→ What is La Paz?
What part of the plant is mainly responsible for photosynthesis?
What are leaves?
The process by which living things produce offspring.
What is reproduction?
The only mammal capable of true flight.
What is a bat?
This element has the chemical symbol “Au.”
What is gold?
This desert, not the Sahara, is the largest cold desert on Earth.
→ What is Antarctica?
This process changes water from a liquid into a gas.
What is evaporation?
the system in the human body that fights infections.
What is the immune system?
This planet spins on its side, making its seasons very extreme.
What is Uranus?
This treaty, signed in 1919, officially ended World War I.
What is the Treaty of Versailles?
This strait separates Asia from North America.
→ What is the Bering Strait?
This is the largest ecosystem on Earth.
What is the ocean?
The largest organ inside the human body.
What is the liver?
The longest word in the English dictionary has 189,819 letters and is the chemical name of this protein.
What is titin?