76 – 100 of 245 Classroom Resources

• 

  Periodic Table, Elements, History, Subatomic Particles, Atomic Mass, Ionic Bonding, Covalent Bonding | Middle School, High School

  Project: Exploring Elements Mark as Favorite (35 Favorites)

  In this project, students will select an element and then use Ptable.com to explore aspects of the element including its periodicity, electron configuration, history, and uses in industry.

• 

  Periodic Table, Electronegativity, VSEPR Theory, Polarity, Molecular Structure | High School

  Activity: Making Connections between Electronegativity, Molecular Shape, and Polarity Mark as Favorite (43 Favorites)

  In this activity, students will find the electronegativity values of a variety of elements, draw the Lewis structures of select molecules that are made with those elements, and identify the molecular shape of each molecule. Students will then be asked to determine if the molecules are polar or nonpolar based on the electronegativity values of the atoms and the molecular shape. Students will use Ptable.com to find information about atoms and molecules and connect what they find to observable properties.

• 

  Classification of Reactions, Chemical Change, Catalysts, Observations | Middle School, High School

  Demonstration: Catalyst in Motion Mark as Favorite (6 Favorites)

  This demonstration allows students to visualize how a catalyst can impact a chemical reaction. Students will also identify the products of a decomposition reaction, as well as determine if the reaction was endothermic or exothermic based on their observations.

• 

  Physical Change | High School

  Activity: Magic Bubble (High School) Mark as Favorite (2 Favorites)

  In this lesson, students will create and interpret particle diagrams that represent elements and compounds at the molecular level. They will also describe the process of dissolving and create particle diagrams that represent mixtures at the molecular level.

• 

  Indicators, Interdisciplinary | Middle School, High School

  Lab: Exhaling Acid Mark as Favorite (14 Favorites)

  In this lab students will observe how increased carbon dioxide levels lead to a build-up of acidic conditions.

• 

  Periodic Table, Elements | Middle School, High School

  Activity: Periodic Table of Mistakes Mark as Favorite (38 Favorites)

  In this activity, students will examine a periodic table that contains 25 mistakes. Students will be tasked with comparing the Periodic Table of Mistakes to a real periodic table in order to determine what mistakes are present. This activity provides an opportunity for students to become more familiar with the periodic table, including element names, symbols and placement, as well as trends in atomic mass.

• 

  Review, Culminating Project | Elementary School, Middle School, High School

  Project: Icosahedron! Mark as Favorite (17 Favorites)

  In this project, students will create an icosahedron, a twenty sided ball, to present information about a topic. The icosahedron can be used for any topic that would require the allocation and presentation of material.

• 

  Scientific Method, Observations, Inferences, Intermolecular Forces, Mixtures | High School

  Lab: Magic Milk Mark as Favorite (28 Favorites)

  In this lab, students will investigate the addition of detergent to a mixture of whole milk and food coloring. Students will attempt to explain the cause of their observations. Also, students will have the opportunity to manipulate the experiment and determine how other variables may impact the results.

• 

  Physical Properties, Observations | Middle School, High School

  Lab: Abe Goes Swimming Mark as Favorite (5 Favorites)

  In this lab, students will investigate surface tension by comparing the number of liquid drops of water and of alcohol that can be held on the surface of a penny. An optional opportunity to investigate surfactants is also provided.

• 

  Density, Measurements | High School

  Lab: Can it Float? Mark as Favorite (4 Favorites)

  In this lab, students will investigate the relationships between mass, volume, density and buoyancy in common objects. Students will be tasked with determining the volume of a variety of objects as well as interpreting the meaning of their buoyancy in water.

• 

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

  Project: The Scientists Behind the Atom Mark as Favorite (34 Favorites)

  In this project, students will create a digital (or paper) book about the scientists who contributed to our understanding of the atom.

• 

  Electron Configuration, Electrons, Valence Electrons, Periodic Table | High School

  Lesson Plan: Electron Configuration and the Periodic Table Mark as Favorite (33 Favorites)

  In this lesson, students will learn how the periodic table can be used to predict the electron configuration of an atom and, thus, better predict the reactivity of an atom.

• 

  Chemical Change, Conservation of Mass, Chemical Change, Physical Change | Middle School, High School

  Lab: Chemistry in a Bag Mark as Favorite (42 Favorites)

  In this lab, students will observe and identify chemical and physical changes contained inside a plastic bag. Students will also use this lab to understand the Law of Conservation of Mass.

• 

  Indicators, Identifying an Unknown | Middle School, High School

  Lab: Indicators of Acids and Bases Mark as Favorite (11 Favorites)

  In this lab, students will use various indicators to identify unknown (clear) solutions as acidic, basic, or neutral.

• 

  Scientific Method, Observations | High School

  Lesson Plan: Is it Real Science or Pseudoscience? Mark as Favorite (16 Favorites)

  In this lesson, students will deepen their knowledge of the scientific method by learning how to determine if researched information is valid and if it should be used for gaining or furthering our scientific knowledge. Students will view the documentary “Mermaids: The Body Found”, a pseudo-documentary that was later reported to be a hoax by the Discovery Channel. They will then use a “Baloney Detection Kit” to analyze the authenticity of information presented through different media as scientific fact.

• 

  Concentration, Mixtures, Interdisciplinary, Scientific Method, Measurements | Middle School, High School

  Lab: Effect of Salt Concentration on Plants Mark as Favorite (4 Favorites)

  In this lab, students will observe how salt concentration can affect the structure of a potato tuber.

• 

  Ionic Bonding, Covalent Bonding, Physical Properties | High School

  Lab: You Light Up My Life! Mark as Favorite (58 Favorites)

  In this lab, students will participate in a guided inquiry in which they will test different physical properties, such as conductivity and solubility of given samples. This lab can be used to introduce ionic, covalent and metallic bonds as well as their properties. This lab should help students make connections between the types of bonds, differentiate between them, as well as help to better understand the nomenclature of ionic and covalent compounds.

• 

  Physical Properties, Molecular Structure, Polarity | High School

  Activity: What Makes Water So Special? Mark as Favorite (12 Favorites)

  In this activity, students will become familiar with the special properties of water by completing several activities that investigate the following physical properties: cohesion, adhesion, surface tension, and capillary action.

• 

  Measurements, Dimensional Analysis, SI Units, Percent Composition, Scientific Notation, Significant Figures, Accuracy, Density | High School

  Lesson Plan: Chemical Measurement Unit Plan Mark as Favorite (59 Favorites)

  The AACT High School Classroom Resource library has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan for introducing concepts student need to collect and use chemical measurements: Percent Composition, Metric Units, Accuracy and Precision, Percent Error, Density, Scientific Notation, Significant Figures, and Unit Conversion. This unit is designed to be used at beginning of the school year and modified based on student math abilities.

• 

  Molecular Structure , Molecular Structure, Molecular Formula, Naming Compounds, Chemical Bond, Interdisciplinary, Introduction | Middle School, High School

  Activity: Modeling Carbohydrates Mark as Favorite (4 Favorites)

  In this activity, students will identify that organic compounds contain carbon and other elements such as hydrogen and oxygen. They will investigate the structure of different organic and inorganic compounds and model several molecules, including a carbohydrate molecule. They will use their models to help understand how larger molecules are broken down into smaller molecules.

• 

  Chemical Change, Physical Change, Chemical Change | Middle School, High School

  Lab: Chemical and Physical Changes Mark as Favorite (40 Favorites)

  In this lab, students will observe and analyze a number of examples in order to determine if a chemical or physical change occurred.

• 

  Conservation of Mass | High School

  Lab: Investigating Mass Change Mark as Favorite (3 Favorites)

  In this lab, students perform seven different investigations in order to develop an understanding of conservation of mass.

• 

  Significant Figures, Measurements, Accuracy, Density | Middle School, High School

  Lab: Significant Figures and Lab Data Mark as Favorite (45 Favorites)

  In this lesson, students will use laboratory equipment of different precision to collect data for several different metals, and then use the data to calculate the density of each. They will then compare their calculated densities to accepted values and determine the combination of equipment that leads to the most accurate calculation of density.

• 

  Atomic Spectra, Emission Spectrum, Emission Spectrum, Electromagnetic Spectrum, Interdisciplinary, Identifying an Unknown | Middle School, High School

  Lab: Spectral Detective Mark as Favorite (14 Favorites)

  In this lab, students will use a spectroscope to view the atomic spectra of various unknown elements. Using their collected data in combination with known atomic spectra, they will identify the chemical elements.

• 

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

  Video: Niels Bohr Video Mark as Favorite (21 Favorites)

  This video tells the story of Niels Bohr, a great scientist who redefined how we think about atoms and the electron. Bohr’s model of the atom helped to advance understanding of subatomic particles, and holds an important place in the history and development of the atomic theory.