Atomic Theory

Presentation

•

Science

•

7th - 9th Grade

•

Practice Problem

•

Easy

•

NGSS

HS-PS1-7, MS-ESS3-5

Standards-aligned

Sheila Higgins

Used 23+ times

FREE Resource

6 Slides • 9 Questions

GUIDING QUESTIONS

Unit 1: Atoms & The Periodic Table

What are the parts that make up an atom?
What is Atomic Theory?
What evidence supports the modern model of the atom?

8th Grade Science

Lesson 1: Atomic Theory

Atomic Theory

The story of the birth and development of Chemistry

PART 1: 430 BCE - 1900

Atomic Theory

The story of the birth and development of Chemistry

PART 2: 1900 - present

Poll

Of the following, which scientist/discovery did you find most interesting?

Bohr's orbital model of the atom; specific energy levels for electrons

Thomson's Chocolate Chip Cookie model of the atom; discovery of electrons

Dalton and the very fist Atomic Theory

Rutherford and his discovery of the positively-charged nucleus and the proton

Summary of Contributions

John Dalton

J.J. Thomson

Ernest Rutherford

Neils Bohr

first atomic theory

Inferred all atoms have the same four characteristics

discovered the electron

"Chocolate Chip Cookie" Model

discovered the positive charge of the nucleus + the proton

Gold Foil Experiment

theorized about electron orbitals around the nucleus

Orbital Model

(1600 - present time)

Reorder

Reorder the following

Democritus

Dalton

Thomson

Rutherford

Bohr

Draw

To the best of your ability, draw Thomson's model of the atom

Draw

To the best of your ability, draw Dalton's model of the atom

Draw

To the best of your ability, draw Rutherford's model of the atom

Draw

To the best of your ability, draw Bohr's model of the atom

Video Response

In your own words, describe the 4 main parts of Dalton's Atomic Theory:

Open Video Recorder

Video Response

In the story of the origin and development of modern atomic theory, what was the most memorable or interesting part for you? Why?

Open Video Recorder

Open Ended

What questions do you have?

Type response here

GUIDING QUESTIONS

Unit 1: Atoms & The Periodic Table

What are the parts that make up an atom?
What is Atomic Theory?
What evidence supports the modern model of the atom?

8th Grade Science

Lesson 1: Atomic Theory

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