Optics
What is light?
Light is one type of energy under a larger category, called radiation energy.
- Made up of electrical magnetic energy
What is climate?
The usual pattern of weather in a region over a long period of time.
How are groups organized in the periodic table?
By valence shell configuration
What is a micro scope?
An instrument that magnifies extremely small objects so they can be easily seen.
What is the electromagnetic spectrum?
The electromagnetic spectrum is a diagram which shows the types of waves organized by frequency.
-The visible portion is very small on the spectrum
What is biosphere?
Living things, plants, animals, microbes, Etc.
How are periods organized on the periodic table?
A number of shells in A atom.
Interphase, prophase, metaphase, anaphase, telophase Etc.
What is luminescence?
The emission of l light from a body not resultingiin heat.
What is lithosphere?
Earths rock crust, land surface.
Define combustion?
The process of burning something.
What us cancer? Why does it occur?
Cancer is a virus that eats away our cells. Cancer is the uncontrolled growth of abnormal cells.
What are the 7 parts of the eye we talked about?
-Pupil, iris, lens, ciliary muscle, retina, optic nerve
What are air currents and ocean currents?
-Air currents are winds
-warm ocean currents heat the air above them which moves to the land and produce rain
-cold ocean currents cool the air above them
define molecule?
A molecular is an electrically neutral group of two or more atoms held together by chemical bonds.
What is chloroplasts?
-Contain chlorophyll and give leaves their green colour.
-Absorb light energy which is used in photosynthesis.
- An electric discharge is a method of producing light in which an electric current is passes through the air or another gas such as neon
What is greenhouse gas affect?
A natural process whereby gases and clouds absorb infrared radiation emitted from Earths surface and radiative it, heating the atmosphere and earths surface.
Define chemical change?
Chemical changes occur when a substance combines with another to form anew substance, called chemical synthesis or, alternatively chemical decomposition into two or more different substances.
What are the different organs of a plant?
Roots, Leaves, Flower, Stem