Types of Changes

1. Types of Changes There are various types of changes as follows- • Natural and Man-made changes. • Useful and Harmful changes. • Quick and Slow changes. • Reversible and Irreversible changes. • Periodic and Non-Periodic changes.

2. Natural Changes • The changes that takes place naturally are called as natural changes.

3. Man-Made Changes The changes made by man are known as man-made changes.

4. Useful and Harmful Changes • Some changes that take place in our surroundings are useful while some are harmful changes.

5. Quick Changes • Some changes occur instantaneously they are quick changes.

6. Slow Changes • Some changes take a long time to happen they are slow changes.

7. Reversible Changes • Changes that can be made back and forth again and again are called reversible changes.

8. Irreversible Changes • Changes that do not happen back and forth again and again are called irreversible changes.

9. Periodic Changes • Changes that occur repeatedly after a definite intervals of time are called periodic changes.

10. Non-Periodic Changes • When the time that passes between changes that happen again and again is not the same, it is non-periodic changes.