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- Grade Range
- 2nd
- Rating
Students investigate some chemical changes and reactions. They identify at least four characteristics that indicate a chemical change. Full Review »
- Grade Range
- 6th - 9th
- Rating
Students design and carry out an experiment demonstrating physical and chemical changes on an edible liquid which they provide. Full Review »
- Grade Range
- 6th - 12th
- Rating
Students identify the difference between some physical and chemical properties and compare some physical and chemical changes. They design an experiment to distinguish between a physical or a chemical property of their choice. Full Review »
- Grade Range
- 4th
- Rating
Students discuss chemical changes and view a teacher demonstration. They perform four experiments illustrating chemical changes. Students create Venn diagrams to illustrate this science concept. Full Review »
- Grade Range
- 7th
- Rating
Students distinguish between physical and chemical changes in both natural and technological settings. They identify the reactants and products for a given chemical reaction. they then write simple chemical equations given the reactants and products. Full Review »
- Grade Range
- 5th
- Rating
Students observe and identify the differences between chemical and physical changes. In small groups they mix different substances together in glass beakers, and identify which had a chemical change, supporting their statements with evidence. Full Review »
- Grade Range
- 4th
- Rating
Students investigate chemical changes in everyday life settings, such as cooking. They investigate leavening which is one of the classic chemical changes that people experience. Pupils observe leavening in biscuits with the chemical changes taking place through baking soda, baking powder and an acid: buttermilk. Full Review »
- Grade Range
- 4th
- Rating
Students predict what happens in a teacher demonstration of a chemical change, before watching it. They observe the demonstration and list what the see on the board before determining which represent chemical change. Working at stations they complete simple inquiry based activities that show a chemical reaction such as rusting, chemical cold packs, Alka-seltzer melting, oxidation, and exothermic reactions. Full Review »
- Grade Range
- 4th
- Rating
Students make toffee to observe both physical and chemical changes. They determine what types of changes that are caused by the cooking process and which are chemical, and which are physical. In order to do this they follow a recipe, mix ingredients, cook them, pour them into a pan making observations throughout the process. Full Review »
- Grade Range
- 4th - 5th
- Rating
Students observe examples of physical changes that can take place between the three states of matter and develop common sense and intuition in distinguishing between chemical and physical changes. They observe diagrams on the board from which they identify the one that is not a physical change and explain the difference between a physical and chemical change. Full Review »
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