326 – 350 of 530 Classroom Resources

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  Molecular Structure, Molecular Geometry, History, Periodic Table, Molecular Structure | Elementary School, Middle School, High School

  Video: Phosphorous Video Mark as Favorite (11 Favorites)

  In this video, Sam Kean tells the story of how phosphorus was at the center of the race to discover the structure of DNA.

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  Model of the Atom, Electrons, Electron Configuration, Quantum Numbers, Subatomic Particles, Periodic Table | High School

  Animation: Orbitals Animation Mark as Favorite (151 Favorites)

  This animation explores the shapes of the 1s, 2s, 2p, 3s, 3p, 4s, and 3d orbitals and how they build up and overlap as each successive orbital is added. **This video has no audio**

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  Periodic Table, History | Elementary School, Middle School, High School

  Video: Mercury Video Mark as Favorite (14 Favorites)

  In this video, Sam Kean tells stories about Mercury.

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  Radioactive Isotopes, Radiation, Half Lives, History | Elementary School, Middle School, High School

  Video: Marie Curie Video Mark as Favorite (29 Favorites)

  This video tells the story about Marie Curie, including her Nobel Prizes, radiation experiments, and discovery of new elements. Irene Curie is also mentioned.

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  Periodic Table, History | Elementary School, Middle School, High School

  Video: Manganese Video Mark as Favorite (6 Favorites)

  In this video, Sam Kean tells stories about manganese.

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  Periodic Table, History, Physical Properties | Elementary School, Middle School, High School

  Video: Gallium Video Mark as Favorite (9 Favorites)

  In this video, Sam Kean tells stories about gallium.

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  Radioactive Isotopes, History, Subatomic Particles, Model of the Atom, Atomic Theory | Middle School, High School

  Video: Ernest Rutherford Video Mark as Favorite (75 Favorites)

  Rutherford's initial research was studying alpha particles, which he hypothesized were helium nuclei. With the help of Hans Geiger, Rutherford conducted the gold foil experiment, which justifies that the nucleus of an atom is a dense collection of protons and contains the majority of an atom’s mass. It also inferred that most of the atom is empty space and electrons are not located in the nucleus. He won the Nobel Prize in chemistry in 1908 for his studies on radioactive substances.

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  Atomic Mass, Atomic Theory, Model of the Atom, Subatomic Particles, Periodic Table, History | Elementary School, Middle School, High School

  Video: Dimitri Mendeleev Video Mark as Favorite (73 Favorites)

  This video tells the story of how Dimitri Mendeleev organized the periodic table, even leaving gaps to be filled in with elements that weren't yet discovered.

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  Density, Matter, Physical Properties, Measurements | Elementary School, Middle School, High School

  Animation: Density Animation Mark as Favorite (45 Favorites)

  This animation explores density on the particulate level. There are opportunities to make qualitative and quantitative comparisons between substances. **This video has no audio**

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  Periodic Table, History, Identifying an Unknown | Elementary School, Middle School, High School

  Video: Cadmium Video Mark as Favorite (7 Favorites)

  In this video, Sam Kean tells stories about cadmium.

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  Periodic Table, History | Elementary School, Middle School, High School

  Video: Hydrogen Video Mark as Favorite (11 Favorites)

  In this video, Sam Kean tells stories about hydrogen.

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  Periodic Table, History, Radioactive Isotopes | Elementary School, Middle School, High School

  Video: Astatine Video Mark as Favorite (13 Favorites)

  In this video, Sam Kean tells stories about astatine, the rarest element in the universe.

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  Periodic Table, History, Identifying an Unknown | Elementary School, Middle School, High School

  Video: Arsenic Video Mark as Favorite (41 Favorites)

  In this video, Sam Kean tells stories about arsenic, a deadly element that was once referred to as the "Inheritance Powder".

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  Periodic Table, History, Radioactive Isotopes, Alpha/Beta/Gamma Decay | Elementary School, Middle School, High School

  Video: Helium Video Mark as Favorite (12 Favorites)

  In this video, Sam Kean tells stories about helium.

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  Periodic Table, History, Physical Change | Elementary School, Middle School, High School

  Video: Gold Video Mark as Favorite (11 Favorites)

  In this video, Sam Kean tells stories about gold.

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  Conservation of Mass, History, Observations, Measurements, SI Units | Elementary School, Middle School, High School

  Video: Antoine Lavoisier Video Mark as Favorite (19 Favorites)

  This video tells the story of Antoine Lavoisier who many consider to be the father or modern chemistry. Lavoisier discovered oxygen and hydrogen and first proposed the Law of Conservation of Mass.

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  History, Physical Properties, Observations, Model of the Atom | Elementary School, Middle School, High School

  Video: Ancient Chemistry Video Mark as Favorite (75 Favorites)

  This video traces the history of chemistry from the discovery of fire, through the various metal ages, and finally to the great philosophers.

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  Mole Concept, Measurements, History, Ideal Gas, Gas Laws | High School

  Video: Amedeo Avogadro Video Mark as Favorite (49 Favorites)

  This video tells the story of Amedeo Avogadro, the scientist given credit for the mole concept, but who discovered other things in chemistry too.

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  Periodic Table, History | Elementary School, Middle School, High School

  Video: Aluminum Video Mark as Favorite (4 Favorites)

  In this video, Sam Kean tells stories about aluminum.

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  Acid & Base Theories, Strong vs Weak, History | Middle School, High School

  Video: Acid & Base Guys Video Mark as Favorite (63 Favorites)

  This video tells the story of how the definition of acids and bases has evolved from Lavoisier, to Arrhenius, Bronsted-Lowry, and Lewis.

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  Measurements, Introduction, Dimensional Analysis, Scientific Notation, Error Analysis, Significant Figures, Accuracy, Density, Error Analysis, Interdisciplinary, Accuracy | High School

  Lab: Math and Measurement Mark as Favorite (112 Favorites)

  In this lab, students will practice introductory math skills that will be used in chemistry all year. This includes metric conversion, significant figures, scientific notation, dimensional analysis, density, percent error, accuracy and precision, as well as using lab equipment.

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  Measurements, SI Units, Accuracy, Introduction | High School

  Activity: Mysteriously Melodramatic & Maniacal Metric Measurements Mark as Favorite (54 Favorites)

  In this activity, students predict the measurements of objects using metric units. They then take the actual measurements and compare them to their predictions.

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  Dimensional Analysis, Significant Figures, Measurements, Error Analysis, Accuracy, Interdisciplinary | High School

  Lab: Nanoscale and Self-Assembly Mark as Favorite (10 Favorites)

  In this lab, students determine both the diameter of one single BB and the length of an oleic acid molecule.

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  Accuracy, Measurements, Error Analysis, Accuracy, Error Analysis | High School

  Lab: Glassware Accuracy Mark as Favorite (78 Favorites)

  In this lab, students use different types of laboratory glassware to measure 50 mL of water and determine the accuracy of each piece of glassware.

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  Mole Concept, Dimensional Analysis, Density | High School

  Lab: Moles of Food Mark as Favorite (65 Favorites)

  In this lab, students will analyze the nutrition label of a variety of foods to find the amount of specific elements in each serving. Students are asked to evaluate and compare the data in a series of questions, in order to convert the values to moles. This lab gives students the opportunity to see the connection between the chemistry mole concept and everyday foods.