I watched a science class for grade three about differentiation between gases, liquids and solids. the teacher used a lot of materials (colored perfume to show that gases are spread, Cups of water and Erlenmeyer flask to show that liquids change there shapes, and a nail to show that solids have same volume and shape) to explain the lesson.
This lesson is a basic one
in the science curriculum so the students will be able to differentiate between
the solid-liquid and gas characteristics, it is a building class and a building
topic for the next lessons on their books. By doing the experiment that is real
to their life, it is not just making abstract ideas meaningfully, but it allows
them to apply their understanding in a variety of a real word settings. This
way, they will carry what they learned in the class to their homes and know how
to differentiate between objects according to their characteristics. So, when
the students know the characteristic of each object then they master the
knowledge of a particular content areas and understanding the concept.
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