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4th primary t1 u1 physical and chemical changes

Author: Hany Ghada
Description:
Keywords: , , , , , , online teaching

Content:
Groups:
1. physical changes
2. chemical changes
3. group_name3
4. group_name4

Objects:
0. grinding of sugar
1. rotten of fruits
2. Melting of substance
3. Making a chair from wood
4. burning of sugar
5. melting of ice
6. Freezing of water
7. Iron rust
8. Paper recycling.
9. Copper malleability into wires
10. Exploding of fireworks.
11. Making yoghurt
12. Adding yeast to bread
13. Breaking of chalk
14. Dissolving of sugar
.