Question

F. Long Answer Questions:
1. Explain how change in the states of matter takes place.
2. Explain how a metal rim is fixed around the wooden wheel of a cart.​

Answer 1

Explanation:

• 2.= For fixing the metal rim on a wooden wheel of a cart. The metal rim is made slightly smaller than the wooden wheel. On heating, the rim expands and fits onto the wheel. Cold water is then poured over the rim, which contracts and fits tightly onto the wheel.