Chapter: Changes Around Us (Worksheet)CBSE Class 6 - ScienceFill in the blanks1. Metals generally __________ on heating.2. A change in which new substance is formed is called __________ change.3. A black material used by road construction workers for repairing a road is __________ .4. A change may occur by __________ a substance or by mixing it with some other.5. Changing state from solid to