Fostering Pre-K student's understanding of concepts related to chemistry involves which activity?

• A. Sorting objects by color.
• B. Mixing ingredients and baking cookies.
• C. Counting how many cups of water are used.
• D. Drawing pictures of the kitchen.

Answer: (B)

Mixing ingredients and baking cookies gives children a concrete experience with how materials interact and change. They see that combining substances (flour, sugar, fat, etc.) creates something different, and applying heat transforms the batter into cookies—changing texture, smell, and appearance along the way. This hands-on process introduces basic ideas about matter, how mixtures form, and how processes like heating cause changes, in a developmentally appropriate way for pre-K students.

Sorting objects by color focuses on observable properties without involving how substances interact or transform. Counting cups of water emphasizes measurement rather than material changes. Drawing pictures of the kitchen is about representation, not material science.