Explain that molecules are too small to see but we can watch their movement. Demonstrate molecular movement in hot and cold water and explain temperature rise and fall depending on molecular movement. Through movement activity, demonstrate molecular movement as pertaining to rising and falling temperature. The study of molecular concepts, especially their movement and relationship to temperature, is difficult for primary children to grasp. Through language arts, science experiment and movement activity, students will gain an understanding of temperature and molecular movement.
Temperature is a measure of how hot or cold something is.
Adjectives to describe temperature such as hot, cold, warm, lukewarm, chilly, sizzling and freezing. Heating something makes its temperature rise. As it cools off its temperature falls. Everything is made of tiny particles called molecules. Molecules are always moving.