Fill in the blanks. 1. A new substance is always formed in a.............. change.
Fill in the blanks.
1. A new substance is always formed in a.............. change.
2. Melting of ice is a............... change.
3. When a candle burns, wax melts. Melting of wax is a................ change.
4. Chemical change occurs as a result of.................. between two substances.
5. Burning of a fuel is a............... change.
6. Revolution of the earth around the sun is a................ change.
7. Growing of a seedling into a plant is..............change.
1 Answers
1. A new substance is always formed in a chemical change.
2. Melting of ice is a physical change.
3. When a candle burns, wax melts. Melting of wax is a physical change.
4. Chemical change occurs as a result of a rearrangement of atoms between two substances.
5. Burning of a fuel is a chemical change.
6. Revolution of the earth around the sun is a natural periodic change.
7. Growing of a seedling into a plant is chemical change.