Shobhit Nirwan Free PDF Notes Class 9 Matter in Our Surroundings

Shobhit Nirwan Notes Class 9 Matter in Our Surroundings, Shobhit Nirwan Notes Class 9 Science PDF, shobhit nirwan class 9th science notes, matter in our surroundings class 9 notes question answers, ncert class 9 science chapter 1

WhatsApp Group Join Now
Telegram Group Join Now

If you’ve been on the lookout for the “Shobhit Nirwan Free PDF Notes Class 9 Matter in Our Surroundings” authored by Shobhit Nirwan, your search ends here. You’ll find them available in PDF format. These notes are incredibly helpful for preparing for board examinations and for last-minute reviews before internal exams. Dive into these notes and achieve your best in your tests. Read on to discover more, Atoms and Molecules Class 9 Notes

Shobhit Nirwan Notes Class 9 Matter in Our Surroundings

Shobhit Nirwan Notes Class 9 Matter in Our Surroundings

Shobhit Nirwan Notes Class 9 Matter in Our Surroundings. Solutions are in PDF form below.

dearsirnotes.in

Who is Shobhit Nirwan ?

Shobhit Nirwan from Delhi, currently pursuing B.Tech. from Indian Institute of Information Technology Vadodara in IT Branch.


“Matter in Our Surroundings” is an important subject in both chemistry and physics. It helps us understand how different materials behave in different situations. This includes solids, liquids, and gases, and how they change when we change factors like temperature and pressure. Knowing about matter and its different forms helps us make sense of everyday things, like why water boils or how clouds form in the sky.

Here are some key ideas:

Shobhit Nirwan Notes Class 9 Matter in Our Surroundings Summary.

  1. States of Matter:
    • Solids: These have a fixed shape and volume because their particles are tightly packed together.
    • Liquids: They have a definite volume but take the shape of whatever container they’re in because their particles can move around each other.
    • Gases: Gases have neither a fixed shape nor volume because their particles are spread out and move freely.
  2. Particle Nature of Matter:
    • Everything is made up of tiny particles like atoms, molecules, or ions that are always moving.
    • How these particles are arranged and move determines what state of matter something is in.
  3. Changes of State:
    • Melting: When a solid turns into a liquid because its particles gain enough energy to move around more.
    • Freezing: When a liquid turns into a solid because its particles lose energy and become more ordered.
    • Evaporation: When a liquid turns into a gas because its particles gain enough energy to escape into the air.
    • Condensation: When a gas turns into a liquid because its particles lose energy and come together.
    • Sublimation: When a solid turns into a gas without becoming a liquid first, and vice versa.
  4. Effect of Temperature and Pressure:
    • Higher temperature usually means the particles have more energy, making them move faster and change state.
    • Pressure affects how close together the particles are and how they move. Increasing pressure can turn gases into liquids or solids.
  5. Diffusion and Brownian Motion:
    • Diffusion: This is when particles spread out from where there are lots of them to where there are fewer, making everything more even.
    • Brownian Motion: This is the jiggling movement of tiny particles in a liquid or gas caused by bumps from nearby particles.
  6. Plasma:
    • Plasma is a special state of matter where gases become ionized, meaning they have a lot of energy and the atoms lose or gain electrons.
    • You can find plasma in things like stars, lightning, and some man-made objects like fluorescent lights and plasma TVs.

Conclusion:

In today’s article we read about “Shobhit Nirwan Free PDF Notes Class 9 Matter in Our Surroundings”. If you liked this post then you can share it with your friends and relatives and you can tell us what topic you want for the next post in the comments section. This will help us too.

hey Guys my name is Neha, I belong to Prayagraj city of Uttar Pradesh, I have been in the field of blogging for about 2 years, I have more than 10 websites and I am also studying Class 12.

Leave a Comment