Molecules: groups of atoms bonded together.
Chemical Reaction: the process of atoms and molecules creating or breaking bonds; often leads to a change in color, smell, temperature, or other changes in properties.
Ions: atom or molecule that has lost or gained one or more electron.
Ultrasound: medical imaging technique that uses sound waves to see organs, muscles, and other tissues inside the body.
Colloid: a mixture of different small particles made up of many molecules that are too small to see with the naked eye.
Film: thin strip of material coated with light sensitive chemicals used to take pictures.
Filters: materials that let through light of certain wavelengths.
Transparent: describes a material or substance that light can pass through.
Atom: the basic building block of matter and chemistry, made of protons, neutrons, and electrons.
Lens: transparent material with a curved surface to make an image larger or smaller.
Imaging: capturing a visual representation using different forms of energy than visible light.
Dosimeter: a tool that measures radiation.
Pixel: smallest visible color units on a display screen.
Electron: a tiny particle with a negative charge.
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