Read Lighter Or Heavier of NCERT Class 8 Science
Review the CBSE Book Class 8 Science Activity Lighter or Heavier designed for Class 8 Science students. Published under the latest NCERT guidelines for 2026-27, this chapter-wise resource supports daily study and targeted revision.
Lighter Or Heavier PDF Resource
Navigate directly to the Lighter Or Heavier section using the digital viewer below. Organizing your study sessions chapter-by-chapter allows for seamless offline review. Be sure to utilize the accompanying NCERT Solutions to verify your textbook answers.
MATERIALS- METAL AND NON METALS
Karan is a curious student. One day, he put some iron dust in a beaker containing dilute hydrochloric acid. He noticed fumes coming out of the beaker. He got worried and wondered what had happened? He picked up the beaker to throw away its contents. But, OUCH! It was so hot. His teacher will definitely scold him now for being careless.
What to do:
1. Take dilute hydrochloric acid in the glass bottle.
2. Put some iron filings or zinc dust in the balloon.
3. Fix the balloon on the mouth of the glass bottle so that the iron filings get dropped in the glass bottle. What do you notice? Does the balloon inflate?
4. Remove the balloon carefully and tie its mouth tightly without letting the gas escape.
5. Release the balloon. Does it rise and float away? What does this indicate? Is the gas trapped in the balloon lighter or heavier than air? Which gas could it be?In the above activity you allowed metal iron to react with an acid. What happens when metal carbonates and bicarbonates react with acids? Let us find by doing an activity.
6. Take 2mL of vinegar in a glass bottle.
7. Take a pinch of baking soda in a balloon.
8. Fix this balloon on the mouth of the glass bottle so that baking soda gets dropped in the glass bottle. Do you notice bubble formation? What happens to the balloon? Remove the balloon and tie its mouth tightly without letting the gas escape.
Release the balloon. Does it rise and float away? Does it behave the same way as the first gas filled balloon in the first case? Is this gas heavier or lighter than air? Find out from your science teacher how you can test for these gases?
Please refer to the link below - CBSE Class 8 Science Activity Lighter or Heavier
Free study material for Science
NCERT Book for Class 8 Science Lighter Or Heavier
Class 8 Science Lighter Or Heavier Official E-Book
Secure your copy of the NCERT Textbook for Class 8 Science Lighter Or Heavier. Widely adopted across educational institutions, final question papers map directly to the framework outlined in this chapter.
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FAQs
You can download the latest, teacher-verified PDF for CBSE Book Class 8 Science Activity Lighter or Heavier for free on StudiesToday.com. These digital editions are updated as per 2026-27 session and are optimized for mobile reading.
Yes, our collection of Class 8 Science NCERT books follow the 2026 rationalization guidelines. All deleted chapters have been removed and has latest content for you to study.
Downloading chapter-wise PDFs for Class 8 Science allows for faster access, saves storage space, and makes it easier to focus in 2026 on specific topics during revision.
NCERT books are the main source for NCERT exams. By reading CBSE Book Class 8 Science Activity Lighter or Heavier line-by-line and practicing its questions, students build strong understanding to get full marks in Science.