Astronomy
What is the closest star to Earth?
The Sun
What do humans use to breathe?
Lungs
What is ice made of?
Water
What do we walk on outside?
The ground
What do you turn on to see in the dark?
A light
What is the name of the galaxy that contains our Solar System?
The Milky Way
What part of the plant is responsible for photosynthesis?
The leaves
What is the chemical symbol for water?
h2O
What is molten rock beneath the Earth's surface called?
Magma
What force keeps us grounded on Earth?
Gravity
What planet is known as the "Red Planet"?
Mars
What is the powerhouse of the cell?
The mitochondria
What element is represented by the symbol "O"?
Oxygen
What type of rock is formed from cooled lava or magma?
Igneous rock.
What is the term for the speed and direction of a moving object?
Velocity
What is the term for a star that suddenly increases in brightness and then fades?
A nova
What is the process by which DNA is copied into RNA called?
Transcription
What is the name of the principle stating that no two electrons in an atom can have the same set of quantum numbers?
Pauli Exclusion Principle
What is the name of the supercontinent that existed about 300 million years ago?
Pangea
What is the term for the amount of energy required to raise the temperature of one gram of water by one degree Celsius?
A calorie
What is the term for the boundary around a black hole beyond which nothing, not even light, can escape?
The event horizon
What is the name of the process in which cells develop specialized functions during embryonic development?
Cellular differentiation
What is the molecular geometry of a molecule with sp³ hybridization and no lone pairs?
Tetrahedral
What scale measures the intensity of earthquakes based on observed effects and damage?
The Mercalli Intensity Scale
What is the name of the theoretical particle that mediates the force of gravity in quantum mechanics?
The graviton