The Greek man who first clearly proposed the idea of an atom.
Who was Democritus?
In this year, Albert Einstein came up with an equation that could confirm the existence of atoms.
What is 1905?
The fundamental building blocks of chemistry.
What are atoms?
This contains a listing of all 118 elements known to man. At room temperature these can be gases, solids or liquids.
What is the Periodic Table?
Polite words or phrases used in academic oral communication. For example, "What does everyone else think?"
What are turn-taking signals or strategies?
Just recently, this man discovered a way to use light to see atoms.
Who was Ara Apkarian?
Arabic Jabir ibn Hayyan was able to use alchemy to transform crude materials into pure substances around this time.
What is 700 AD?
What is lack of evidence?
This word is derived from the Greek meaning "uncuttable."
What is "atom?"
Words like "however, on the other hand, or while" are used to show this.
The French physicist who used Einstein's concept to do the experiments to prove that atoms do exist.
Who was Jean Perrin?
In this decade of the 1900s, a group of engineers began working on the Scanning Tunneling Microscope that was hoped to be able to scan a picture of different types of atoms.
What is the 70s?
Jabir ibn Hayyan was able to transform crude materials into pure substances using these techniques.
What are extraction and filtration?
Under the right conditions, pressure and temperature, when certain elements react with each other to form new substances with new properties (such as rust or water) we get these.
What is a compound?
In a speech, like in a writing, the speaker should grab the audience with this at the very beginning.
What is a hook?
This scientist improved upon the images derived from the Scanning Tunneling Microscope.
Who was Wilson Ho?
The idea of atoms is born in Ancient Greece in this year.
What is 400 BC?
The wavelength of light is so much larger than an atom and this is why this was thought to be impossible.
What is see an atom?
John Dalton of England who contributed to the Law of Multiple Proportions was this by trade.
What is a school teacher?
Although it is not stated directly, I can make an educated guess about what the author thinks about that.
What is infer?
This husband and wife couple are responsible for using chemical reactions to discover the concept of elements.
Who are Marie-Ann Paulze and Antoine Lavoisier?
John Dalton published his massive work complete with his drawings of atoms in this year.
What is 1808?
We know atoms exist because of this.
What is through chemical reactions, mathematical equations, and/or new technologies?
A single human hair is this many times wider than an atom.
What is 500,000?
One way to take notes when listening to a research lecture.
What is a graphic organizer?