John Dalton

High school (ages 12+)
Science & Technology

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Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/john-dalton

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. When was John Dalton born?September 5 or 6, 1766
2. When did John Dalton die?July 27, 1844 (age 77)
3. Where was John Dalton born?Eaglesfield, Cumberland, England
4. Who was John Dalton?John Dalton was a scientist from England who lived in the late 1700s and early 1800s. He taught and studied science, and he is famous for explaining how everything is made of tiny atoms.
5. What is an atom?An atom is a very, very small building block that makes up all matter. Dalton said that all atoms of the same element are the same size and weight, and atoms can’t be split into smaller parts.

Atomic Theory: A scientific model proposing that matter is composed of discrete, indivisible particles called atoms, each with unique properties for a given element.
Stoichiometry: The branch of chemistry that deals with the quantitative relationships between reactants and products in chemical reactions.
Dalton's Law of Partial Pressures: A law stating that the total pressure of a gas mixture is the sum of the partial pressures of the individual gases.
Daltonism: A term for red-green color blindness, named after John Dalton, who first scientifically described the condition.