Glossary results for "O"

a genus of trees and shrubs in the beech family fagaceae

a facility that is used for astronomical observation

the act of gathering information about the natural world through the senses

a large, continuous body of salt water that covers more than 70% of the Earth's surface

the 10th month of the year in the Gregorian calendar

a physical property of a substance that is detected by the sense of smell

a muscular tube that connects the pharynx to the stomach

the products of reproduction

the synthetic chemical element with the atomic number 118

something that has existed for a long time

an organism that can derive its energy and nutrients from a variety of sources, including plants, animals, and other organisms

a material that does not allow light to pass through it

used to describe things that have to do with sight or vision

the best or most favourable conditions for a particular process or phenomenon

the curved path that an object follows around another object in space under the influence of gravity

a large ensemble of musicians that typically plays classical music

a group of tissues that work together to perform a specific function

something that comes from living things

a living thing

a sport that involves using a map and compass to find your way around a course

the study of birds

a chemical element with the symbol Os and atomic number 76

the movement of water molecules from an area where there are a lot of water molecules to an area where there are fewer water molecules

the result of a process

a chemical compound that contains oxygen and one other element

a gas that we need to breathe

a term that is used to describe a substance that has had oxygen added to it