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### We found 163 reviewed resources for atomic theory

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Lesson Planet: Curated OER

#### Crash Course: Chemistry

Loosely based on the 2012 AP Chemistry curriculum, a series of 46 videos introduces high schoolers to organic chemistry. The videos model how to reason through problems, recognize different organic chemicals, their uses, and use the...

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#### Chemistry Lessons

A collection of 26 videos provides young chemists with help with concepts and topics that many find confusing. The narrator offers clear explanations, practical advice, and uses multiple examples to ensure understanding. Great for ...

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#### Development of Atomic Theory: An Introduction

The atom has come a long, long way! From its early days as a ball of goo that exhibited the same properties as the whole it was part of, to the tiny sphere we know today, atomic theory has truly evolved. Explore these changes with an...

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#### Atomic Theory

An extremely thorough presentation walks new chemists through the basics of matter. There really isn't a unifying theme, however So many topics are covered: forces, elements, atomic structure, chemical properties, compounds, quarks,...

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#### The Atom, Atomic Number, Mass Number, and Isotopes

Expose your chemistry learners to atomic theory. As they view this PowerPoint, they will learn about subatomic particles, atomic number, and mass number of atoms as well as how isotopes are structured. Throughout this neat and accurate...

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#### Atomic Theory

"I would rather have questions that can't be answered than answers that can't be questioned." - Richard Feynman. The video by Veritasium presents one of these questions, proposed by Feynman, along with his answer. It discusses the...

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#### Development of the Atomic Theory

For this atomic theory worksheet, students complete a paragraph describing the development of the atomic theory by filling in the blank with 21 terms.

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#### Building Atoms, Ions, and Isotopes HD

Atomic theory, a periodic table, and a place to practice making atom models without having to draw every proton, neutron, electron, and orbital! This resource is colorful, visually pleasing, and easy to use.

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#### Atoms, Molecules and Ions

Atomic theory, experiments that contributed to our knowledge of matter, atomic structure, isotopes, and ions are covered in these 33 slides. Quality diagrams and labeled charts will help activate understanding. The presentation concludes...

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#### Chemistry 1 Practice Exam

Thirty multiple-choice questions and their answers are provided in this resource. It was written for a general chemistry course and queries test takers on scientific notation, mixtures, chemical symbols, electric charges, Dalton's atomic...

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#### Atomic Structure

In this atomic structure worksheet, students draw a helium atom and show the subatomic particles. They also answer questions about the Bohr model, Dalton's atomic theory and the energy of electrons based on their location in an atom.

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#### History of Atomic Theory

Students study the significance of the quantum model and how scientific theories adapt over time. In this investigative lesson students describe the contributions that scientists have helped develop the atomic theory and identify the...

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#### Atomic Structure

The International Union of Pure and Applied Chemistry (IUPAC) was formed in 1919 and was crucial for allowing scientists to discuss findings during the Cold War. A presentation offers an introduction to atomic structure including the...

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#### Science: Matter and Energy

Designed to use when teaching adults preparing for their high school equivalency exam, the resource integrates reading practice, writing, and analytical thinking in every lesson. The unit covers 23 topics, but it only includes three...

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#### The Atom

A well-structured set of slides introduces upcoming chemists to the basics of atom structure, its representation on the periodic table of elements, and calculating atomic mass. Unfortunately the diagram for the location of subatomic...

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#### Activity #3 Are Particles "Real?"

Students verbalize a simple particle theory, They apply their particle theory to explain what happens during chemical reactions and how this theory supports the law of conservation of matter. Pupils comprehend that the atomic theory,...

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#### Relative Masses

Students investigate relative mass using 8 different items. In this relative masses lesson plan, students discuss as a class John Dalton's atomic theory. They take the masses of the 8 items and record their data. They discuss relative...

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#### Atomic Theory, Structure, and Symbols

In this atomic theory learning exercise, students review the observations that led to the conclusion of the atom having a positively charged nucleus. Students compare atomic number and mass number and explain how the discovery of...

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#### Atom Review

For this atom worksheet, students review the subatomic particles, the scientists associated with the atomic theory, and the periodic table. This worksheet has 15 matching, 24 fill in the blank, and 11 short answer questions.

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#### Atomic Structure

In this atom worksheet, students define the atomic theory, compare an atom and a molecule, determine atomic number and number of protons for elements, and draw Bohr models for given elements. This worksheet has 4 graphic organizer, 8...

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#### Particles

A female narrator takes your class on a journey through the history of atomic theory. Not only are protons, neutrons, and electrons introduced but quarks and leptons are too. You will find this most appropriate for viewing in a high...

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#### The Great Atomic Debate

In this atomic theory worksheet, students write a skit given a story line using Aristotle, Democritus and Dalton. They are given internet sites to find information about the facts and ideas of these past contributors to science.

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#### Early Atomic Theory Homework

In this early atomic theory worksheet, students answer 4 questions about the Law of Definite Proportions, the Law of Conservation of Mass and Dalton's Laws. Students are given 5 statements to determine if each true statement supports or...

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#### The History of Atomic Chemistry

Take a historic view of our knowledge of atoms with a video that explores the discoveries of many scientists including Leucippus, Democritus, Rutherford, Bohr, Heisenburg, and more.

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