This subatomic particle determines the identity of an element.
proton
What is the Crust?
This layer of Earth is where we live.
What is the function of the heart?
This organ pumps blood throughout the body.
This force pulls objects toward Earth.
Gravity
This metric unit measures temperature in most science labs.
Celsius
This number on the periodic table tells you the number of protons in an atom.
atomic number
This type of rock forms when magma or lava cools.
igneous
This process allows plants to convert light energy into chemical energy.
photosynthesis
Speed is calculated by dividing distance by this quantity.
time
What is the function of insulin?
insulin signals the body that glucose is available, so cells should take it up and either use it or store it
A substance with a pH below 7 is classified as:
an acid
This boundary occurs when two tectonic plates move away from each other.
Divergent boundary
What is the mitochondrion?
Organelles inside eukaryotic cells that produce most of the cell’s usable energy in the form of ATP.
According to Newton’s Third Law, every action has this.
An equal and opposite reaction?
The prefix “nano-” represents this fraction of a unit.
What is one-billionth / 10⁻⁹?
What is the Aufbau principle?
This principle states that electrons fill the lowest-energy orbitals available before occupying higher-energy ones.
This scale measures the hardness of minerals from 1 to 10.
Mohs Scale
What is DNA?
These molecules carry genetic instructions and are made of nucleotides.
This type of energy is stored in an object because of its position or configuration.
What is potential energy?
This scientist developed the three laws of planetary motion.
Kepler
What is Pauli's Exclusion Principle?
No two identical particles called fermions (such as electrons) can occupy the exact same quantum state at the same time.
This atmospheric boundary separates the troposphere from the stratosphere.
tropopause
During cellular respiration, most ATP is produced during this stage.
oxidative phosphorylation / the electron transport chain?
This effect occurs when light spreads out after passing through a narrow opening or around an obstacle.
diffraction
What nonmetal is liquid at room temperature?
Bromine