googlestudy

LORD KELVIN

1. He was born on 26 june 1824 in United Kingdom(UK)

2. Lord Kelvin of Scotland studied at Cambridge University, was a champion rower and later became a professor of natural philosophy at the University of Glasgow.

3. Lord Kelvin invented the Kelvin scale in 1848 used on thermometers.

4. The Kelvin scale measures the ultimate extremes of hot and cold.

5. Kelvin developed the idea of absolute temperature. It is called the second law of thermodynamics and developed the dynamical theory of heat.

6. In the 19th century, scientists were researching possibility of the lowest temperature. The Kelvin scale uses the same units of Celsius scale but it starts at absolute zero.

7. Absolute zero is 0°C which is – 273 K.

8. Lord Kelvin was passed away on 17 December 1907.

HEAT

Key words – Meanings and explanation

1) Temperature : The degree of hotness or coldness

2) Heat : Heat is a flow of energy, that flows from a body at higher temperature to a body at lower temperature

3) Calorie : Calorie is the CGS unit of heat. The amount of heat required to raise the temperature of 1 gm of water by 1 degree celsius is called calorie

4) Absolute temperature :Temperature measured on Kelvin scale is called absolute temperatura

5) Condensation : Condensation can be defined as the phase change from gas to liquid

6) Humidity : The amount of water vapour present in air is called humidity

7) Dew : The water droplets condensed on window – panes l, flowers, grass etc.., in winter morning is known as dew

8) Fog : The droplets of water floating in air due to condensation and forming a thick mist which restricts visibility is called fog

9) Joule : The unit of energy of work

10) Kinetic energy : The energy possessed by a body by virtueThe of its motion.

Advantages of SI unit given link below👇👇

https://googlestudy.science.blog/2021/05/14/advantages-of-si-units/

Advantages of SI Units

1) All the units are well defined without any ambiguity

2) All the units are easily reproducible

3) The base and supplementry units covers all branches of science and engineering

4) Almost all countries in the world have adopted SI system

5) There are special names to some difficult and familiar derived units

For any doubts contact @googlematerial

I spend more and more time at my desk these days, doing everything from preparing the family taxes to working on this blog. Because of this, my workspace is constantly changing. Holding the clutter at bay is challenging, so I prefer to keep nearby only a few quality items that serve multiple purposes over a stockpile of things I might never need.

My daily planner

My planner is one of those simple ring binder journals you can pick up from any stationery supplies store. White paper. No ruled lines to cage my venturesome handwriting and doodling. I’m an obsessive note-taker and fill pages to the margins with to do lists, rough sketches, and ideas for blog posts. I usually go through one planner every month.

Staying Organized

Who me? Organized? My husband might tell you otherwise, but I do find it hard to keep track of our weekly schedule. You know: school, swimming, grocery shopping, tidying up, paying bills, remembering appointments and so on. Fortunately, in our house we all pitch in. No one person does everything. But we do have a little secret that helps our day run more smoothly.

Travel Tips

There are millions of tips out there on how to fly with kids, what to bring on camping vacations, which suitcase to buy, where to go and what to see in just about every corner on Earth. What I want to share today is something a little different – something that we discovered last summer during a family hike in the Appalachians.