Important Questions for Class 6 Science Chapter 6 Changes Around us
In this page we have Important Questions for Class 6 Science Chapter 6 Changes Around us . Hope you like them and do not forget to like , social share
and comment at the end of the page.
Multiple Choice Questions
Which of the following is a desirable and undesirable changes?
(a) Burning of House
(d) Burning of cooking gas
(e) rusting of iron
(f) souring of milk
(g) rottening of fruits
(e) breaking of glass tumbler
The process of converting solid directly into gas
Which of the following is a slow and fast changes?
(a) burning of paper
(b) formation of coal
(c) growth of the baby
(d) Rusting of iron
(e) Burning a matchstick
(f) Switching on the bulb
Which of the following is an example of non periodic change?
(c) truck accident
(d) Rotation of fan
(e) Movement of earth around sun
(f) Phases of moon
The process of converting gas directly into solid?
Which one of these is not true?
(a)Change in which heat is given out is called exothermic changes.
(b) Changes that cannot be reversed is called irreversible changes
(c) Iron contracts on heating and expand on cooling
(d) None of these
Which of the following is a reversible change?
(a) burning of forests
(b) Ripening of fruits
(c) burning of candle
(d) Melting of ice
Match the column
(P) Changes in which heat is liberated
(Q) change in which new substance is formed
(Y) Endothermic Changes
(R) changes take place by absorption of heat
(Z) exothermic changes
Which of these are correct?
(a) P -> X, Q -> Y, R -> Z
(b) P -> Y, Q -> X, R -> Z
(c) P -> Z, Q -> Y, R -> X
(d) P -> Z, Q -> X, R -> Y
Iron rim is made slightly smaller than the wooden wheel. The rim is usually heated before fixing into the wooden wheel, because on heating the iron rim
(a) expands and fits onto the wooden wheel.
(b) contracts and fits onto the wooden wheel.
(c) no change in the size takes place.
(d) expands first, then on cooling contracts and fits onto the wooden wheel.
Salt can be separated from its solution (salt dissolved in water), because
(a) mixing of salt in water is a change that can be reversed by heating and melting of salt.
(b) mixing of salt in water is a change that cannot be reversed.
(c) mixing of salt in water is a permanent change.
(d) mixing of salt in water is a change that can be reversed by evaporation.
Practicing make students fluent in their concept. Help your child practice math using our Class 6 Maths worksheets (Kindle Edition)
You can use this ebook on PC, tablet, mobile devices by using Free Kindle Reading Apps for android and ios. Given below are the links of some of the reference books for class 6 science and class 6 math.
Thanks for visiting our website. DISCLOSURE: THIS PAGE MAY CONTAIN AFFILIATE LINKS, MEANING I GET A COMMISSION IF YOU DECIDE TO MAKE A PURCHASE THROUGH MY LINKS, AT NO COST TO YOU. PLEASE READ MY DISCLOSURE FOR MORE INFO.
Our aim is to help students learn subjects like
physics, maths and science for students in school , college and those preparing for competitive exams.