Archana Shukla Solutions for Chapter: Changes Around Us, Exercise 4: EVALUATE

Author:Archana Shukla

Archana Shukla Science Solutions for Exercise - Archana Shukla Solutions for Chapter: Changes Around Us, Exercise 4: EVALUATE

Attempt the free practice questions on Chapter 6: Changes Around Us, Exercise 4: EVALUATE with hints and solutions to strengthen your understanding. Wow Science Hands-on Learning in Science 6 solutions are prepared by Experienced Embibe Experts.

Questions from Archana Shukla Solutions for Chapter: Changes Around Us, Exercise 4: EVALUATE with Hints & Solutions

MEDIUM
6th CBSE
IMPORTANT

When we switch on a torch, it gives light. The moment we switch off the torch, light goes off. What kind of change is it? Explain. 
 

MEDIUM
6th CBSE
IMPORTANT

Give reasons for the following:

Expansion and contraction are maximum in gases.

HARD
6th CBSE
IMPORTANT

Give reasons for the following:

Silver pieces of jewellery tarnish when exposed to air.

MEDIUM
6th CBSE
IMPORTANT

Give reasons for the following:

Apples and some other fruits turn brown when cut surface is exposed to air.

MEDIUM
6th CBSE
IMPORTANT

Name the type of changes that occur in the burning of a candle. Explain with reason.

MEDIUM
6th CBSE
IMPORTANT

Name the type of change that occur during digestion of food. Explain with reason.

MEDIUM
6th CBSE
IMPORTANT

Myra wants to make a list of chemical changes that occur in her surroundings. But she is confused in certain cases. How can she identify the chemical changes? Name all the characteristics of chemical changes to help her and give one example for each. 
 

MEDIUM
6th CBSE
IMPORTANT

Why do water pipelines burst during extreme winters in the cold regions?