This force keeps planets in orbit around the sun.
Gravity
The chemical symbol for water.
H₂O
The layer of Earth where weather occurs.
The troposphere?
The basic unit of life.
Question: What is the cell
The cell
This term describes a group of stars forming a pattern in the sky.
constellation
The unit used to measure electric current.
Amper
This element has the atomic number 6.
carbon
This scale measures earthquake magnitude.
The Richter Scale?
This molecule carries genetic information.
Question: What is DNA?DNA
DNA
This is the term for a rock from space that survives passage through Earth’s atmosphere and lands on the surface.
meteorite
This law states that for every action, there is an equal and opposite reaction.
Newton’s Third Law of Motion?
The pH value that represents a neutral solution.
7
The movement of Earth’s tectonic plates is called this.
Plate tectonics
The process plants use to make food using sunlight.
Photosynthesis?
This term describes the explosion of a dying star.
Supernova?
The speed of light in a vacuum is approximately this many kilometers per second.
300,000 km/s
This table organizes elements by atomic number.
the Periodic Table
This type of rock forms from cooled lava or magma.
igneous rock
This organ pumps blood throughout the human body.
The heart
This private company, founded by Elon Musk, develops rockets like Falcon 9.
Question: What is
SpaceX?
This type of energy is associated with motion.
kinetic energy
The process by which a solid changes directly into a gas.
sublimation
The supercontinent that existed millions of years ago.
Question: What is
Pangaea
he scientist who developed the theory of evolution by natural selection.
Charles Darwin
This famous equation relates energy and mass.
E=mc²