Physical changes involve alterations to a substance without forming new substances, such as ice melting into water or water evaporating into gas. Chemical changes produce new substances through reactions, like burning wood or paper, digesting food, or frying an egg. This document was made by Anish Rexwal, Abhishek Thakur, and Prashant Rajput from class 7D to explain and provide examples of physical and chemical changes.

2. CHANGES
PHYSICAL CHANGE
• CHANGE IN
WHICH NO NEW
SUBSTANCES IS
FORMED.
CHEMICAL CHANGE
• CHANGE IN
WHICH NEW
SUBSTANCE IS
FORMED.

3. EXAMPLES OF PHYSICAL CHANGE
• ICE INTO WATER.
• WATER INTO GAS.
• MELTING CHOCLATE.
• MELTING ICE CREAM.
• MELTING OF WAX.

4. EXAMPLES OF CHEMICAL CHANGE
• BURNING OF WOOD
• BURNING OF PAPER
• DIGESTION OF FOOD
• FRING AN EGG.

5. MADE BY
•ANISH REXWAL
•ABHISHEK THAKUR
•PRASHANT RAJPUT
•FROM CLASS 7D