Sure! Here's a demonstration using the correct terms for each blank:
Chemical and physical changes are two fundamental ways that matter can be altered in our world. Physical changes such as cutting paper or melting ice don’t create new substances; they just change the form or appearance of the original material. On the other hand, chemical changes such as rusting iron or burning wood result in the formation of new substances with different properties. Chemical changes often involve energy transfer and can be identified by signs such as light, color changes, gas production, or temperature changes. Understanding the difference between these types of changes is crucial in science, as it helps explain many everyday phenomena and forms the basis for more advanced chemistry concepts.
Summary with answers filled in:
- Physical changes
- Appearance
- Properties
- Energy
- Signs