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- Grade Range
- 5th
- Rating
Students explore physical and chemical changes. They prepare a demonstration in which they perform an example of either a physical change or a chemical reaction. Full Review »
- Grade Range
- 5th
- Rating
Students discuss the differences between chemical and physical changes. In groups, they complete experiments and discover how a physical chnage can be reversed. To end the lesson, they review the steps of the water cycle and identify the physical changes in the cycle. Full Review »
- Grade Range
- 4th
- Rating
Students examine and identify chemical and physical changes in a variety of substances. They observe a vinegar and baking soda demonstration, and a water, laundry detergent, and Epsom salt mixture demonstration. They discuss the different experiments and differentiate between chemical and physical changes. 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 study evaporation and condensation as parts of the water cycle. First they determine the similarities and differences between a cup of water and an ice cube before measuring the volume of ice before melting it, and remeasuring its volume. They observe condensation as steam on a piece of Plexiglass. Finally, they discuss the physical changes in the three states of matter in the water cycle. Full Review »
- Grade Range
- 3rd
- Rating
Students explore the concept of evaporation as they observe how the water level changes in a cup that is left out. Working in groups they observe physical changes in a group of everyday items. They record the changes in shape, size, and state of matter. Full Review »
- Grade Range
- 4th
- Rating
Students expand their knowledge about how the physical properties of a substances can be changed. They are given multiple opportunities, using first-hand experiences and familiar objects in different contexts, to identify characteristics of a physical change. Full Review »
- Grade Range
- 4th
- Rating
Students determine what is meant by a physical change, and they demonstrate how they can make physical changes. They complete activities at stations that entail changes in color, size, texture, hardness, or state of matter. Using simple materials such as paper, scissors, markers, ice, water and sugar, they discover how to make changes happen. Full Review »
- Grade Range
- 4th
- Rating
Students identify characteristics of a simple physical and chemical change. They describe objects by the properties of the materials from which they are made and that these properties can be used separate. Students describe the physical properties of ingredients used to make ice cream. Full Review »
- Grade Range
- 4th
- Rating
Students explore physical changes. They discuss that physical change is a change in size, shape, or state of matter of a substance. Students explore what change takes place when two substances can dissolve each other. They observe physical changes. Full Review »
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