Some daily life examples-People sprinkling water on the road on a warm day, after taking a bath and standing under a fan, water from an earthen pot(mitti ka ghada) and drops of acetone(nail polish remover) on our hand.
Sir your teaching is so simplified and your English too is so soft,thanks for coming true for us,but wish link can I use to get to the videos of where you explained about other types of separation techniques?I need it sir🙏
Sir I have found some examples of evaporation 1.Placing a beaker in a room with a temperature of 30 degrees celsius. 2.Leaving a puddle of water in an open area under a hot sun. 3.Filling water in a beaker with a larger exposed surface area. 4.Putting a piece of cloth on a table with wind. 5.Hanging a shirt with lesser water vapour.
why it would take energy from body ? does cloth with higher evaporation rate cooler than lower evaporation rate? and what is your audience , is it school ?
Sir I really due enjoy your teaching,i 'm from Nigeria,how do I subscribe using Nigerian currency; for sciences?. I pray for exceeding blessings and long life so you can explore more in Jesus name.
Sir the best thing about you is that you speak calm and smooth english and hence we are able to understand word by word .Also the explanation is awesome .Thankyou.
Sir can you please make videos of other topics of chapter 1 science class 9. Your videos are very helpful and easy to understand. Please make the videos of others topics from chapter 1
Worksheet Q1 Define the terms:- a) diffusion b) latent heat of vaporisation c) sublimation Q2 list the differences between evaporation and boiling. Q3 How is humidity related to evaporation? Q4 Napthalene balls disappear if kept in air for a few weeks. Explain. Q5 Assign a reason why gases are highly compressible while solids are least. Sir can You solve this question
Sir, I got 3 examples 1) Water in an earthen pot is cool. 2) when we spray acetone on our body it feels cool. 3) Tea becomes cool faster in a saucer rather than in a cup...
Sir.... My name is Sivapriya.... From Kerala Thank you sir.... I was able to understand each and every point u said and I really liked your classes Tommorow is my physics (assessment/mid-term) exam.... So I was not able to understand thr concept.... But after seeing your video I understood everything... Thank you very much Sir🥰🥰