Physical chanage and child's progress

Science

• The 12 year old student has learned about the concept of physical change through the hands-on experience of mixing baking soda and vinegar, observing the fizzing reaction, and witnessing the change in state of the substances.
• They understand the role of heat in physical changes by witnessing the melting of ice cubes due to the warmth of their hands and then refreezing them to solid state again in the freezer.
• The student has developed an understanding of the concept of evaporation and condensation through the process of heating water over a flame and then collecting and observing the condensed water vapor.

For continued development, consider exploring more physical changes in everyday materials, such as rusting of iron, boiling and freezing points of different substances, and the effects of pressure on physical changes. Encourage the student to experiment with different materials and record their observations in a scientific journal.

Book Recommendations

• Experiments with Solids, Liquids, and Gases by Mary Atwater: This book provides simple experiments that illustrate the concepts of physical changes and states of matter, perfect for 12 year old students.
• The Mystery of the Periodic Table by Benjamin D. Wiker: This engaging book explores the history and science behind the elements and chemical reactions, expanding the child's knowledge of physical changes and chemical processes.