What do you call the process by which plants make food using sunlight?
Photosynthesis
What is the chemical symbol for water?
H₂O
What force keeps planets in orbit around the sun?
Gravity
What is the hardest natural substance on Earth?
Diamond
What gas do plants absorb from the atmosphere?
Carbon dioxide
What is the center of an atom called?
Nucleus
What do we call animals that eat only plants?
Herbivores
What is the boiling point of water in Celsius?
100 degrees
What is the largest ocean on Earth?
Pacific Ocean
What is the capital city of Australia?
Canberra
What do we call a person who studies the stars and planets?
Astronomer
What is the longest river in the world?
The Nile
What do we call the study of the Earth's physical features?
Geography
What is the currency used in Japan?
Yen
What do you call a word that means the same as another word?
Synonym
What is the study of living organisms called?
Biology
What do we call a person who designs buildings?
Architect
What is the study of the human mind and behavior?
Psychology
What do you call a story that is not true or real?
Fiction
What is the opposite of "export"?
Import