This blog post has a huge list of science vocabulary words 6th grade:
List of Science Vocabulary Words
A characteristic of an organism that helps it survive in its environment
The layer of gas that surrounds a planet
The variety of living organisms in an ecosystem
A large community of plants and animals that exists in a particular environment
The basic unit of life
The average weather conditions in an area over a long period of time
An organism that breaks down dead organic matter
The amount of matter in a given space
A community of living and nonliving things that interact with each other
The ability to do work
- Food chain
A sequence of organisms in an ecosystem where each organism is a source of food for the next
A push or pull on an object
The study of the Earth’s physical structure, history, and processes
The force of attraction between two objects with mass
An animal that eats only plants
An educated guess or prediction about an experiment or observation
The tendency of an object to resist a change in motion
A conclusion based on observations or evidence
The points where two or more bones meet in the body
The unit used to measure energy and work
- Kinetic energy
The energy of motion
The highest taxonomic rank of organisms
The solid outer layer of the Earth’s surface
- Lunar eclipse
An astronomical event where the Earth passes between the Sun and the Moon, causing the Moon to be obscured by the Earth’s shadow
The amount of matter in an object, typically measured in grams or kilograms.
The smallest unit of a chemical compound that retains the chemical properties of that compound.
The act of changing position or place.
Made up of many cells.
The central part of an atom that contains protons and neutrons.
A substance that provides nourishment to living things.
The act of using the senses or instruments to gather information about the natural world.
A living thing that carries out life processes on its own.
The process by which plants use sunlight to convert carbon dioxide and water into oxygen and glucose.
- Physical change
A change in the appearance or form of a substance that does not change its chemical composition.
- Plate tectonics
The theory that Earth’s outer layer is divided into several plates that move and interact with each other.
Describing or observing characteristics or qualities without numerical measurements.
Describing or observing characteristics or qualities with numerical measurements.
The bouncing back of light or sound waves from a surface.
The bending of light as it passes through a substance.
- Renewable energy
Energy sources that can be replenished over time, such as wind and solar energy.
- Solar system
The collection of planets and other objects that orbit around the sun.
A group of living things that can interbreed and produce offspring.
- States of matter
The physical forms that matter can take, such as solid, liquid, and gas.
The combination of two or more substances to form a new substance.
The application of scientific knowledge for practical purposes.
- Thermal energy
The energy that is produced by the movement of particles in a substance.
A characteristic or feature that is passed down from parents to offspring.
- Ultraviolet (UV) radiation
Electromagnetic radiation with a wavelength shorter than that of visible light, but longer than X-rays.
All existing matter and space, including galaxies, stars, planets, and other celestial bodies.
A factor or condition that can change in an experiment or observation.
The speed and direction of an object’s motion.
An area of land where all the water that falls within it and drains off of it goes into the same body of water.
The process by which rocks and minerals are broken down into smaller pieces by natural physical or chemical means.
The horizontal axis in a graph that represents the independent variable.
The plant tissue responsible for transporting water and dissolved minerals from the roots to the leaves.
The time it takes for the Earth to make one complete orbit around the Sun.
The amount of a crop or other product produced per unit area of land.
- Zone of inhibition
The area around an antibiotic disk on a culture plate where bacteria are unable to grow.
The scientific study of animals and their behavior.