What Matter Is Made Of - Vocabulary

element


a basic building block of matter; a pure substance that cannot be broken down into anything simpler

compound

a chemical combination of two or more elements into a single substance

atom

the smallest unit of an element that still has the properties of the element

proton

a particle with a positive charge in the nucleus of an atom

neutron

an uncharged particle in the nucleus of an atom

electron

a particle with a negative charge moving around the nucleus of an atom

nucleus

the dense center part of an atom

molecule

a group of more than one atom joined together that acts like a single particule

Invisible light

Infrared light:infrared means just beyond red. When you stand in light in sunlight, it is the sun infrared waves that warm you.The Ultraviolet light, XRays, and Gamma Rays are more dengerous but i do not say that you cazn un consentraiting of this this also can damage the skin 

Ultraviolet light: ultraviolet light is made up of waves just shorter than visible violet light on the spectrum. This visible light can damage your skin by the heat, heat can make a sickness that name is the cancer of the skin.Now pay attention whith this

X Rays and Gamma Rays:That rays are tho shortest wavelenghtof the spectrum. X Rays and Gamma Rays have graet penetraiting power.If the X Rays have many heat an an damage your skin imagine the Gamma Rays this rays can damge all your body. Now you know how this to Rays damages