Curated OER
Nuclear Reactions - Rutherford's Alpha Scattering Experiment
Neat! Show your physics class exactly how Ernest Rutherford fired alpha particles at a piece of gold foil and so determined that most of an atom is composed of empty space. Not just a slide show, but almost an animation, this...
Curated OER
Evidence Revealing the Composition of the Atom
Investigators use indirect evidence to guess what is occupying a sealed box. You could also use a set of plastic Easter eggs to encase the unknown items. Another terrific activity involves having students drop a pencil on a sheet of...
Curated OER
Review Models of the Atom
Multiple representations of the varying theories of atomic structure. With these pictures and some background of the theories and scientific figures surrounding them, your class will develop a better understanding of scientific history...
Curated OER
Atomic Models
Your students should enjoy this slideshow which includes some basic definitions about the atomic structure of atoms. In fact, this presentation would be best-viewed before giving details and diagrams of neutrons, protons and quarks. The...
Curated OER
Nuclear Reactions Answers to Questions
Written to accompany another slide show available through our site, the information here gives the history and trivia connected to nuclear decay research. This slide show concentrates on the definitions and theory of nuclear fission and...
Curated OER
Mystery : Structure of the Atom-A Case for Indirect Evidence
Learners investigate the structure of the atom through hands on activities. In this atomic structure lesson plan, students perform 4 activities showing indirect evidence of the structure of the atom and the parts of the atom. They also...
Curated OER
Structure of the Atom
High schoolers observe 3 models that show Dalton, Thomson and Rutherford's theories of the structure of the atom. In this structure of the atom lesson plan, students observe each model and write a summary of each theory of the atom.
Curated OER
History of the Atom Quiz Review
In this history of the atom activity, students answer questions about Thomson's cathode ray apparatus, Rutherford's gold foil experiment and Dalton's beliefs about the atom. Students identify the number of protons, neutrons and electrons...
Curated OER
Understanding the Rutherford Model
In this Rutherford model worksheet, students read about Rutherford's experiment with gold foil and alpha particles which led to the discovery of subatomic particles. Students answer six analysis questions about the experiment and...
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Inside an Atom
In this atom worksheet, students read about the history of the discovery of the atom. Students write a story, poem, song or other creative project in which they shrink to an incredibly small size and are trapped in a carbon atom.
Curated OER
Worksheet 4-1 Atomic Spectra
In this atomic spectra worksheet, students answer eighteen questions about wavelengths of light, the emission spectrum, energy of photons, the frequency of electromagnetic radiation and electrons in the excited state.
Curated OER
Early History of the Atom Homework
In this early history of the atom worksheet, learners answer 4 questions about Thomson's Plum Pudding model of the atom and Rutherford's experiment that led to the understanding of some of the structures of the atom.
Curated OER
Review for Chemistry
In this review for chemistry worksheet, students decide if given statements are true or false. Students relate information learned about introductory knowledge gained in chemistry to accurately answer the given questions.
Curated OER
Activity Three -- Rutherford's Discovery (Student Page ) A Lab Experiment in Physics
This discovery student page offers students an opportunity to work as a team to discover the shape of an object they cannot see. It is an experiment which parallels particle physicists dilemma in not being able to see very small...
Curated OER
Discovering the Structure of the Atom
Students investigate atomic and nuclear structure of matter by researching historical atomic theories. Students examine Rutherford's studies and discover that many scientific conclusions change over time as new data is collected.
Other
Le Moyne College:elements & Atoms, Indivisible No Longer
Click to read different historical documents in chemistry related to the history of the study and discovery of radioactivity.
National Health Museum
Access Excellence: The Discovery of Radioactivity: Dawn of the Nuclear Age
This article discusses the historical discoveries of the atom and radioactivity. Includes links to biographies of famous people.
Khan Academy
Khan Academy: Discovery of the Electron and Nucleus
Learn about Thomson's cathode ray experiment and the plum pudding model and Rutherford's gold foil experiment.
Nobel Media AB
The Nobel Prize: Nobel Prize in Physics 1922 Presentation Speech
This Nobel Foundation site provides the "Presentation Speech by Professor S.A. Arrhenius, Chairman of the Nobel Committee for Physics of the Royal Swedish Academy of Sciences, on December 10, 1922."
University of California
Understanding Science: Science Relies on Evidence
Discover how important it is for science to rely on evidence, and what types of evidence is acceptable.
National Health Museum
Radioactivity: Historical Figures
A summary of the contributions of Wilhelm Roentgen, Antione Henri Becquerel, Marie Curie, and Ernest Rutherford on radioactivity.
Sophia Learning
Sophia: Models of the Atom: Lesson 3
Describe how the model of the atom advanced as scientific knowledge increased. This lesson is 3 of 3 in the series titled "Models of the Atom."
CK-12 Foundation
Ck 12: Chemistry: Atomic Nucleus
[Free Registration/Login may be required to access all resource tools.] Describes the modern concept of the atomic nucleus.
CK-12 Foundation
Ck 12: Physical Science: Rutherford's Atomic Model
[Free Registration/Login may be required to access all resource tools.] Rutherford's discovery of the nucleus and his planetary model of the atom.