Sample Learning Goals Describe the difference between an atom and a molecule. …
Sample Learning Goals Describe the difference between an atom and a molecule. Build simple molecules from atoms. Distinguish between the coefficient and subscript in a chemical formula. Construct molecules from the chemical formula. Associate common molecule names with multiple representations. Experiment with combining atoms to build larger molecules.
In this lab activity, students will test household chemicals with litmus paper …
In this lab activity, students will test household chemicals with litmus paper and using red-cabbage juice inidcator and use the results to classify household substances as acids or bases.
In this activity students will observe how temperature affects different types of …
In this activity students will observe how temperature affects different types of gases. First students will blow up a round balloon. They will need to measure the circumference in centimeters of the fattest part of the balloon. Then they will put the balloon in the freezer for approximately 30-60 minutes. (A chest freezer tends to work best) They will remove the balloon from the freezer and quickly measure the circumference of the balloon again in centimeters, recording beginning and end results in a journal.
This activity demonstrates chemical reactions as evidenced by color changes. Students will …
This activity demonstrates chemical reactions as evidenced by color changes. Students will systematically evaluate all possible combinations of solutions and draw inference from their observations to determine which combinations experience a chemical reaction.
In this lab activity, students will investigate chemical changes that occur when …
In this lab activity, students will investigate chemical changes that occur when acids and bases react. It is meant to introduce the concepts of chemical changes, mass of gases, conservation of mass, and balancing equations. Students will make qualitative observations and quantitative measurements.
Students will distinguish between reactions that go to completion and those that …
Students will distinguish between reactions that go to completion and those that are reversible. Students will also explain the concept of chemical equilibrium and understand how Le Chatelier's Principle works on a chemical reaction at equilibrium.
In this geochemistry activity, students explore a STELLA model of anhydrite-solution equilibrium. …
In this geochemistry activity, students explore a STELLA model of anhydrite-solution equilibrium. They find ways to illustrate several points about chemical equilibrium that address common misconceptions using this model. Then they write a mock research paper about addressing common misconceptions about chemical equilibrium in the classroom. Note: A free demo of STELLA can be downloaded at: http://www.iseesystems.com/
In this activity, students will work in pairs to discover the indicators …
In this activity, students will work in pairs to discover the indicators of chemical reactions. Each pair of students is assigned either an exothermic or endothermic reaction. Based on their observations, students are then asked to explain the evidence that a chemical reaction occurred. Students then perform 10 more chemical reactions with unknown powders (labeled A - F) and liquids (labeled 1 - 6). They must collect data and then develop a testable question based upon all of the data collected. Finally, they answer their question by performing more experiments. For higher grade levels, the lesson may be modified to use appropriate equipment to demonstrate the conservation of matter.
In this lab activity, students are given three chemical compounds to be …
In this lab activity, students are given three chemical compounds to be tested. They will then determine three chemical and three physical properties for each, using experimental data.
This resource is an in-depth discussion, with diagrams, covering the different types …
This resource is an in-depth discussion, with diagrams, covering the different types of chemical bonding. It details ionic bonds, covalent bonds, polar covalence, and electronegativity.
This is a culminating activity to be used after completion of a …
This is a culminating activity to be used after completion of a Solutions unit, or later in the curriculum as review or evidence of concept retention. Students will create and label molecular level drawings of aqueous solutions, differentiating between dilute and concentrated solutions, electrolyte and nonelectrolyte solutions, and to illustrate how an ionic solid dissolves. For each, students will explain in detail what is happening using Livescribe Echo pens.
This resource sheet reviews electrons' energy levels and sublevels within the atom …
This resource sheet reviews electrons' energy levels and sublevels within the atom and provides critical thinking questions to assess student understanding of these concepts.
A work in progress, CK-12 Chemistry Teacher's Edition supports its Chemistry book …
A work in progress, CK-12 Chemistry Teacher's Edition supports its Chemistry book covering: Matter; Atomic Structure; The Elements; Stoichiometry; Chemical Kinetics; Physical States of Matter; Thermodynamics; Nuclear and Organic Chemistry.
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