Human Body
This is often called the "powerhouse of the cell."
What is mitochondria?
This planet is famous for its prominent ring system.
What is Saturn?
This noble gas is commonly used to fill brightly colored advertising signs.
What is neon?
This force keeps your feet on the ground.
What is gravity?
This scientist proposed the theory of relativity.
Who is Albert Einstein?
The smallest bones in the human body are found in this organ.
What is the ear?
Named after the Roman god of the sea, this planet is the farthest from the Sun.
What is Neptune?
A substance with a pH lower than 7 is known as this.
What is an acid?
Molten rock beneath Earth's surface.
What is magma?
This was the first animal successfully cloned from an adult cell in 1996.
What is a Sheep?
This blood vessel is the largest artery in the human body.
What is the aorta?
The only planet in our solar system that rotates on its side, with an axial tilt of about 98 degrees.
What is Uranus?
This element, with atomic number 6, forms the basis of all known life on Earth.
What is carbon?
This type of rock forms when existing rock is altered by heat and pressure.
What is metamorphic rock?
This fruit is naturally radioactive because it contains potassium-40.
What is Banana?
The medical term for the voice box.
What is the larynx?
The region around a black hole beyond which nothing can escape is called this.
What is the event horizon?
This is the only letter not found in any official chemical element symbol.
What is J?
This layer of Earth's atmosphere contains the ozone layer.
What is the stratosphere?
This disease was eradicated worldwide in 1980.
What is smallpox?
This blood protein is responsible for clot formation after an injury.
What is fibrinogen?
This astronomer formulated the three laws of planetary motion.
Who is Johannes Kepler?
This element has the chemical symbol W, derived from its original name, Wolfram.
What is tungsten?
Approximately this percentage of Earth's water is freshwater, while the rest is saltwater.
What is 2.5% freshwater and 97.5% saltwater?
The process by which a solid changes directly into a gas.
What is sublimation?