This is the process by which plants make their own food using sunlight.
What is photosynthesis?
This is the chemical symbol for the element carbon.
What is C?
This is the force that pulls objects toward the center of the Earth.
What is gravity?
This man is known for his theory of evolution by natural selection.
Who is Charles Darwin?
This is the planet we live on.
What is Earth?
This part of the body is responsible for pumping blood.
What is the heart?
This is the term for a substance made of only one type of atom.
What is an element?
This is the term for how fast something is moving.
What is speed?
This woman conducted groundbreaking research on radioactivity and won two Nobel Prizes.
Who is Marie Curie?
This natural satellite orbits Earth.
What is the Moon?
This is the term for an organism that can make its own food, like a plant.
What is an autotroph?
This is the smallest part of an element that can exist.
What is an atom?
This is the measure of how hot or cold something is.
What is temperature?
This man developed the theory of general relativity, changing our understanding of gravity.
Who is Albert Einstein?
This layer of air surrounds our planet.
What is the atmosphere?
This part of a plant absorbs water from the soil.
What are roots?
This liquid is essential for all life on Earth.
What is water?
This is the force that opposes the motion of objects in contact.
What is friction?
This man is known as the father of modern physics for his work on the laws of motion.
Who is Isaac Newton?
This is the name of the supercontinent that existed millions of years ago.
What is Pangaea?
These are the basic units of heredity that are passed from parents to offspring.
What are genes?
This is the most abundant gas in Earth's atmosphere.
What is nitrogen?
This simple machine has a flat surface with one end higher than the other.
What is an inclined plane?
This Mexican engineer invented the color TV.
Who is Guillermo González Camarena?
This is the largest continent on Earth.
What is Asia?