This glossary was created for my Natural Sciences program at CEGEP. It includes key words and definitions from different science subjects like biology, chemistry, physics, and math. I made it to help me better understand these important terms and to review them more easily for exams and future studies.
Atom
Noun
The smallest unit of matter that defines a chemical element.
Example: Everything around us is made of atoms.
en: Atome
Cell
Noun
The basic unit of life in all living organisms
Example: The human body is made up of trillions of cells
en: Cellule
Digest
Verb
To break down food in the body so it can be used for energy
Example: The human body digests food in the stomach and intestines
en: Digérer
Element
Noun
A substance made of only one type of atom
Example: Oxygen is an important chemical element.
en: Élément
Energy
Noun
The ability to do work or cause change
Example: Plants use sunlight as a source of energy.
en: Énergie
Equation
Noun
A mathematical statement that shows the equality of two expressions
Example: In math class, we learned how to solve a linear equation
en: Équation
Force
Noun
A push or pull that can change the motion of an object.
Example: The force of gravity pulls objects toward the Earth.
en: Force
Friction
Noun
A force that resists motion between two touching surfaces
Example: Friction slows down a sliding object
en: Frottement
Gravity
Noun
The force that pulls objects toward the center of the Earth
Example: Gravity keeps the Moon in orbit around the Earth.
en: Gravité
Hypothesis
Noun
A possible explanation or guess that can be tested in an experiment
Example: The student made a hypothesis before starting the lab
en: Hypothèse
Molecule
Noun
A group of atoms bonded together
Example: A water molecule is made of two hydrogen atoms and one oxygen atom.
en: Molécule
Photosynthesis
Noun
The process by which green plants make food using sunlight
Example: Photosynthesis helps plants turn light into energy.
en: Photosynthèse
Reaction
Noun
A process in which substances change into new substances
Example: A chemical reaction occurred when the two liquids were mixed.
en: Réaction
Velocity
Noun
The speed of an object in a specific direction
Example: The car increased its velocity on the highway.
en: Vitesse
Volume
Noun
The amount of space that an object or substance occupies
Example: We measured the volume of the liquid in milliliters.
