This planet is known as the "Red Planet."
What is Mars?
The process by which plants make food using sunlight.
What is photosynthesis?
The chemical symbol for gold.
What is Au?
The force that keeps us on the ground.
What is gravity?
The outermost layer of the Earth.
What is the crust?
This galaxy is closest to the Milky Way.
What is the Andromeda Galaxy?
The powerhouse of the cell.
What is the mitochondrion?
This element is essential for the production of thyroid hormones.
What is iodine?
This scientist formulated the laws of motion.
Who is Isaac Newton?
This scale measures the magnitude of earthquakes.
What is the Richter scale?
The largest planet in our solar system.
What is Jupiter?
This molecule carries genetic information in living organisms.
What is DNA?
The pH level of pure water.
What is 7?
This phenomenon describes the bending of light as it passes through different mediums.
What is refraction?
The most abundant gas in the Earth's atmosphere.
What is nitrogen?
This term describes a star that suddenly increases greatly in brightness due to a catastrophic explosion.
What is a supernova?
The largest organ in the human body.
What is the skin?
The scientist who created the periodic table.
Who is Dmitri Mendeleev?
The unit of electrical resistance.
What is the ohm?
This process involves the movement of water from the surface to the atmosphere and back.
What is the water cycle?
The first human-made object to land on the moon.
What is Luna 2?
This type of cell in the human body does not have a nucleus.
What is a red blood cell?
This law states that the volume of a gas is inversely proportional to its pressure.
What is Boyle's Law?
This principle states that energy cannot be created or destroyed, only transformed.
What is the law of conservation of energy?
This theory explains the movement of Earth's lithospheric plates.
What is plate tectonics?