Teacher Resources for Instructional Planning


Grade 8, Science Std 6.0: Define solution in terms of solute and solvent. • Defining diffusion and osmosis • Defining isotonic, hypertonic and hypotonic solutions • Describing acids and bases based on their hydrogen ion concentration (i.e. the pH scale). • Identifying acids and bases by their formulas.

Lesson Plans: Acids/Bases The student will be able to: 1) distinguish between the differences of acids/bases, 2) demonstrate how to test for acids and bases, and 3) communicate the significance of testing for acids and bases. Acid Rain Environment Pollution Students demonstrate how to use a pH indicator, know the difference between and acid,and a base, and observe the effects of acid rain. Chemistry is pHun The main objectives of this mini-teach are to familiarize uppergrade students with the concept of pH, to teach students how to use litmus and pH paper to determine pH and to make students aware of natural indicators. The Difference Between Acids and Bases Using Different Indicators To identify the differences between acids and bases using litmus paper, pH paper and indicator solution. Acids, Bases, and Indicators This is a multileveled approach to learning some of the common characteristics of acidic and basic solutions and use of some of the common indicators. Indicators For Acids And Bases Make cabbage water as an indicator and see the color it turns when acids and bases are mixed in it. Acids) - Base(s) Detective Students classify household chemicals into acid(s) and base(s). Osmosis-Lab Study This experiment is to understand the process of osmosis. Diffusion and Osmosis Across Cell Membranes: Osmosis Students will investigate the factors that affect the rates of diffusion for water (osmosis) and solutes (dialysis), investigate the role that membrane structure can play in permeability, and learn to use a computer-assisted graphing program and a data acquisition system for data analysis. The Effects Of Osmotic Balance And Imbalance In Living Cells Students will distinguish between osmotic balance and osmotic imbalance in elodea leaf cells.

Resources: Chemical Bonding Good explanations and examples of chemical bonding Chem4kids Great tutorials and activities. Chemistry Index Lots of ideas from SMILE Classic chemistry experiments 100 activities
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