Science Definitions

What is Astronomy?
Astronomy is the study of everything in the universe beyond Earth's atmosphere. That includes objects we can see with our naked eyes, like the Sun , the Moon , the planets, and the stars . It also includes objects we can only see with telescopes or other instruments, like faraway galaxies and tiny particles.



What is Astrophysics?
Astrophysics is a branch of space science that applies the laws of physics and chemistry to explain the birth, life and death of stars, planets, galaxies, nebulae and other objects in the universe



What is an Atom?
An Atom is the smallest unit into which matter can be divided without the release of eletrically charged particles. It is also the smallest unit of matter that has a characteristic of a chemical element.



What is a Beaker?
In a laboratory equipment, a beaker is generally a cylindrical container with a flat bottom. Most also haveout a small spout to aid pouring. Beakers are available in a wide range of size, from one milliliter up to several liters.



What is Biochemistry?
Biochemistry or biological chemistry, is the study of chemical processes within and relating to living organisms. A sub-discipline of both chemistry and biology, biochemistry may be divided into three fields: Structural biology, Enzymology and Metabolism.



What is Electrochemistry?
Electrochemistry is the branch of physical chemistry concerned with the relationship between electrical potential, as a measurable and quantitive phenomenon, and identifiable chemical change, with either electrical potential as an outcome of a particular chemical change, or vice versa.



What is Evolution?
Evolution is a change is the heritable characteristics of biological populations over succesive generations.



What is a Graduated cylinder?
A graduated cylinder, also known as measuring cylinder or mixing cylinder is a common piece of laboratory equipment used to measure the volume of a liquid. It has a narrow