Chemistry Change Around Us Part 3 (Paper planes, Broken eggs, Dancing) Class 6 VI

TL;DR

This video discusses various examples of reversible and irreversible changes, including folding paper, dancing, breaking glass, tearing newspaper, and breaking an egg.

Transcript

hello friends this video on changes around us part three is brought to you by exam feel calm no whole feel from exam so let us start with the first examples which is the most common example of paper claims so when you look at the fun that you can have with a piece of paper you can create a paper clean you can create a paper board you can even creat... Read More

Key Insights

• 🙏 Folding paper into shapes and unfold it back demonstrates a reversible change.
• 💃 Dancing involves reversible changes in body movements.
• 😎 Breaking glass is an irreversible change, but it can be reversed in the long run through recycling.
• 🕰️ Tearing a newspaper is an irreversible change, but small pieces can be used to create a larger piece of paper.
• 🍳 Breaking an egg is an irreversible change as the pieces cannot be joined back together.
• ◀️ Reversible changes can often be undone or reversed to the original state.
• ◀️ Irreversible changes cannot be easily or instantly reversed.

Questions & Answers

Q: What is an example of a reversible change with paper?

Folding a piece of paper into a plane is an example of a reversible change because you can unfold it and regain the paper.

Q: Why is dancing considered a reversible change?

Dancing involves constant changes in body movements, but these changes can be reversed as you can return to the original posture or position.

Q: Is breaking glass a reversible or irreversible change?

Breaking glass is an irreversible change in the short run because you cannot instantly join the pieces back together. However, in the long run, the glass pieces can be collected and used to create new glass bottles, making it reversible.

Q: Can tearing a newspaper be considered a reversible change?

Tearing a newspaper is an irreversible change in the instant run because you cannot easily join the pieces back together. However, small pieces of paper can be collected and eventually used to create a larger piece of paper, making it reversible in the long run.

Summary & Key Takeaways

• The video provides examples of reversible changes, such as folding paper into a plane and unfolding it back into paper.

• It also explains how dancing involves reversible changes in body movements.

• The video discusses irreversible changes, like breaking glass, tearing newspaper, and breaking an egg.