26 – 50 of 133 Classroom Resources

• 

  Emission Spectrum, Atomic Spectra, Electrons, Atomic Theory, Emission Spectrum, Electromagnetic Spectrum, Identifying an Unknown | High School

  Lab: Emissions of Light Mark as Favorite (35 Favorites)

  In this lab, students will examine three different ways to excite electrons to produce visible light found in the electromagnetic spectrum. The students will then see that this visible light has a specific color, wavelength, and frequency. They will use their knowledge of the speed of light and plank's equation to examine the energy involved in the emission of light. Finally, the students will then apply their knowledge of the emission spectrum to how the composition of stars is determined.

• 

  Model of the Atom, Atomic Theory, Electron Configuration, Electrons, Valence Electrons, Orbitals , Subatomic Particles, Atomic Radius, Ionization Energy | High School

  Activity: Bohr Model vs. Quantum Mechanical Model Mark as Favorite (62 Favorites)

  In this activity, students will compare two models of the atom using cognitive scaffolding to move from the more simplistic Bohr model to the more abstract and accurate quantum mechanical model. They will examine experimental data and use it to explain periodic trends that cannot be accounted for with the Bohr model.

• 

  Electron Configuration, Electrons, Atoms, Ions, Orbitals , Valence Electrons, Model of the Atom | High School

  Activity: Electron Configuration and Orbital Diagrams Mark as Favorite (64 Favorites)

  In this activity, students will learn how to apply the Aufbau principle, Pauli exclusion principle, and Hund’s rule to model electron configurations and orbital diagrams. They will use colored flat marbles to represent different directional spins of electrons as they fill orbitals based on energy level. They will then look for patterns in the electron configurations and orbital diagrams of various atoms and ions.

• 

  Ions, Atoms, Subatomic Particles, Electrons, Isotopes | Middle School, High School

  Demonstration: Electrons and Ions Explained with Balloons Mark as Favorite (26 Favorites)

  In this demonstration, helium balloons and clothespin weights are used to demonstrate how adding an electron makes a negative ion, and removing an electron makes a positive ion, a concept that is often confusing to students.

• 

  Periodic Table, Elements, Review, Atomic Radius, Ions, Ionization Energy, Atomic Mass | High School

  Activity: Reviewing the Periodic Table and Periodic Trends Mark as Favorite (63 Favorites)

  In this activity, students will use their knowledge of the periodic table and periodic trends to add fictional elements to a periodic table based on their properties. Once the elements are in the correct place they will reveal a hidden message. This review activity will help students prepare for a summative assessment such as a unit test or final exam.

• 

  Atomic Radius, Model of the Atom, Atomic Theory, History, Inferences | Middle School, High School

  Lesson Plan: Indirectly Measuring the Atom Mark as Favorite (20 Favorites)

  In this lesson, students will try to determine the radius of one circle and the total area of multiple circles on a piece of paper by indirect measurement. They will relate this to the experiment done by Ernest Rutherford in which he bombarded a gold foil with Alpha particles.

• 

  Atomic Radius, Scientific Notation, Measurements | Middle School, High School

  Activity: Powers of 10 - How Small Is an Atom? Mark as Favorite (25 Favorites)

  In this activity, students will use an online interactive to investigate the size of an atom, and compare the size of the atom to other objects using scientific notation.

• 

  Atomic Spectra, Electrons, Electromagnetic Spectrum | High School

  Lesson Plan: Atomic Spectra for At-Home Learning Mark as Favorite (13 Favorites)

  In this lesson, students first observe a flame test demonstration conducted by their teacher, and hypothesize about the identity of an unknown sample. Then they make connections in their understanding as they are tasked with building a prism, researching about wavelengths, and creating a model of electron energy levels.

• 

  Atomic Mass, Subatomic Particles, Law of Conservation of Energy, Conservation of Mass | High School

  Activity: Building a Nuclide Mark as Favorite (6 Favorites)

  In this activity, students will construct a model of a nuclide and use this model to investigate why the mass of the nuclide is less than the summative mass of the individual nucleons (protons and neutrons). Additionally, the constructed nuclide will be used to help students conceptualize and differentiate between key lesson terminology (mass defect, strong nuclear force, and nuclear binding energy).

• 

  Radioactive Isotopes, Half Lives, Subatomic Particles, Periodic Table | High School

  Activity: Why are Some Isotopes Radioactive? Mark as Favorite (62 Favorites)

  In this activity, students use periodic trends and data to make predictions about what makes an isotope radioactive. They will then verify or refine their predictions using a PhET simulation.

• 

  Radioactive Isotopes, Pros Cons of Nuclear Power, Atoms, Subatomic Particles, Fission/Fusion | High School

  Activity: Fission vs. Fusion Reading Mark as Favorite (47 Favorites)

  In this activity, students will annotate an informational text about fission and fusion using the “text-in-the-middle” reading strategy. They will then compare and contrast the two types of nuclear reactions.

• 

  Periodic Table, Atomic Radius, Ionization Energy, Electronegativity | High School

  Activity: Periodic War Mark as Favorite (108 Favorites)

  In this activity, students play a card game to apply their knowledge of the periodic trends of the main group elements.

• 

  Measurements, Scientific Notation, Significant Figures, Subatomic Particles | High School

  Activity: Quantitatively Puzzling Mark as Favorite (35 Favorites)

  In this activity, students will analyze sixteen chemistry-based clues and use the numbers, zero through fifteen as possible answer choices for each one. The clues cover content related to measurement, scientific notation, significant digits, atomic structure and the periodic table.

• 

  Periodic Table, Introduction, History, Physical Properties, Chemical Properties, Electrons, Valence Electrons | Middle School, High School

  Activity: How the Periodic Table Organizes the Elements Video Questions Mark as Favorite (75 Favorites)

  In this lesson, students will watch a video and answer questions about the organization of the periodic table. They will learn about how the elements on the periodic table are organized and what their location on the table can tell us about them.

• 

  Isotopes, Atoms, Electrons, Subatomic Particles, Elements, History, Introduction, Review, Alpha/Beta/Gamma Decay, Radioactive Isotopes | Middle School, High School

  Activity: What are Isotopes? Video Questions Mark as Favorite (60 Favorites)

  In this lesson, students will watch a video and answer questions about isotopes. They will learn about the discovery of isotopes, the difference between chemical and nuclear reactions, different kinds of radioactive decay, and some uses of radioactive isotopes.

• 

  Orbitals , Electrons, Electron Configuration | High School

  Activity: Electrons and Orbitals Mark as Favorite (62 Favorites)

  In this lesson, students will differentiate between energy levels, sublevels, orbitals, and electrons. Students often confuse these terms related to electrons and this activity should help them develop a stronger understanding of how to distinguish between them.

• 

  Alpha/Beta/Gamma Decay, Half Lives, Radiation, Radioactive Isotopes, Isotopes, Atomic Mass, Subatomic Particles | High School

  Activity: Radiological Applications of Isotopes Mark as Favorite (48 Favorites)

  In this lesson, students will apply their knowledge of nuclear notation using trading cards to investigate and discuss the applications of isotopes in the medical field. The conclusion of the activity includes a summative assessment where students must advertise the radiological services using their knowledge of isotopes and their medical applications

• 

  Ionic Bonding, Naming Compounds, Molecular Formula, Ions, Ionic Radius, Solubility, Melting Point, Physical Properties | High School

  Activity: My Name is Bond, Ionic Bond Mark as Favorite (68 Favorites)

  In this lesson, students will demonstrate their knowledge of ionic bond strength using a “brackets” activity. Pairs of students start the activity playing a game of “Ionic Compound War” to build eight compounds. Then then transfer the compounds to a “bracket” and use their knowledge of ionic bonding, along with a solubility chart, to predict the strongest and weakest bond between four pairs of ionic substances.

• 

  Ionic Bonding, Naming Compounds, Molecular Formula, Ions, Ionic Radius, Solubility, Melting Point, Physical Properties | High School

  Activity: Ionic Bonding Brackets Mark as Favorite (55 Favorites)

  In this lesson, students will demonstrate their knowledge of ionic bond strength and its relationship to the properties of melting point and solubility using a “brackets” activity. After analyzing the ionic charge and radius to predict the strongest and weakest bond between four pairs of ionic substances, they will then determine which will be the least soluble.

• 

  Isotopes, Atoms, Subatomic Particles, Alpha/Beta/Gamma Decay, Radioactive Isotopes | High School

  Activity: Using Stable Isotopes to Determine Material Origin Mark as Favorite (43 Favorites)

  In this lesson, students will review the concept of isotopes and apply the concepts of stability and relative abundance in order to determine the recent travels of a person of interest in a criminal investigation.

• 

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

  Demonstration: The Hoopla about Atoms Mark as Favorite (66 Favorites)

  In this demonstration, students use a hula hoop that has a ball in the center (hung from a string) to simulate Rutherford’s gold foil experiment.

• 

  Periodic Table, Density, Elements, Atomic Mass, Atomic Radius, Electronegativity | Middle School, High School

  Activity: Organizing the Periodic Table Mark as Favorite (84 Favorites)

  In this activity, students are challenged to organize elements into the shape of the periodic table based on trends in data. Students are given a set of cards, each card representing an element, and containing five data points for consideration. The data that students will analyze includes atomic mass, atomic radius, melting point, density and electronegativity.

• 

  Periodic Table, Elements, Atomic Mass, Subatomic Particles | Middle School, High School

  Activity: Periodic Table Connect The Dots Mark as Favorite (128 Favorites)

  In this activity, students solve a series of clues about elements in order to uncover a message that has been hidden in the periodic table. Using the clues, students draw lines between identified elements on the table, which then connect to form the message. Two versions of this activity are available, varying the difficulty level of the clues.

• 

  Periodic Table, Elements, Physical Properties, History, Atomic Mass, Subatomic Particles | High School

  Activity: Which Element Am I? Mark as Favorite (87 Favorites)

  In this activity, students will be challenged by a list of clues that describe 50 different elements from the periodic table. Using their own knowledge, or the help of the internet students will determine the identity of each element based on the clue provided.

• 

  Elements, Identifying an Unknown, Atomic Spectra, Emission Spectrum, Electromagnetic Spectrum, Emission Spectrum | Elementary School, Middle School

  Lesson Plan: Elements Are Out of This World Mark as Favorite (6 Favorites)

  In this lesson, students will learn about the elements that make up Earth’s atmosphere and lithosphere and then compare and contrast the information with the elements that compose various other astronomical objects.