Roman numerals originally came from Etruscan numerals which were changed. The Roman numerals came in to use from 4th century B.C.
Historical Preview
Roman numerals originally came from Etruscan numerals which were changed. The Roman numerals came in to use from 4th century B.C.
QUICK CONCEPT REVIEWWe use numbers every day. When we get up in the morning we see the clock and read the time with numbers. We wait for our bus number to go to school. We go to our class say class 5 or 6. We learn mathematics in more...
LERNING OBJECTIVES This lesson 'will help you to:-
Learn about the basics of ecosystem.
Study about different types of ecosystem.
Understand and study about different food chains and food webs.
Learn and understand the relationship between different food chains.
Real-Life ExampleOur country India has diverse climatic and accordingly we find different plant and animal species. Example: In hot and dry Rajasthan we will find small shrubs and cacti plants and the prominent animal seen id camel. On the other hand, in Lehn in Kashmir, extreme cold temperature prevails and there is hardly any vegetation and the animal mostly seen is yak.QUICK CONCEPT REVIEW Ecosystem:
An ecosystem is a community of living things interacting more...
Learn about basic concepts of sound like Doppler Effect.
Real-Life Examples
When look into the mirror, we see ourselves. This is the example of reflection of light from the mirror which is producing the image of our face on the screen.
People who tend to listen to loud music on a regular basis start listening loud due to the deafness of ears.
QUICK CONCEPT REVIEW LIGHTPhotonPhotons are tiny little particles of light, far too small (to more...
Learn about the movement of planets in the universe.
Real-Life Example
In the night if we see the sky closely, we can see several shooting stars. These shooting stars are actually meteors that are burning.
Hysterical Preview
The names of all the planets are in roman as a group of roman people discovered them.
QUICK CONCEPT REVIEW As we all know we live on earth. Earth is a planet. We also see birds, trees and animals that live on earth. But have you ever more...
QUICK CONCEPT REVIEW As you already know that we live on earth. You have also studied about different things that the earth and its atmosphere provides us. We grow our food on earth. We also get many valuable things such as: coal, petroleum and water from earth. The atmosphere of earth provides us oxygen to breathe.We already know that there is a system called solar system which comprises of the sun and all the planets. All the planets revolve around the sun. In this chapter we shall learn some more...
Understand that our body needs food for energy and for growth.
Examine different types of food like fruits, vegetables and cereals.
Understand how we can fall ill if we do not keep our food safe and clean.
QUICK CONCEPT REVIEW In this chapter we shall learn some more things related to food. As we already know that by having a contaminated and spoiled food we can fall ill. In this chapter we shall learn how the food gets spoils and how we can prevent our food from getting spoiled.Historical preview
There were no tomatoes in Italian food. Peanuts in Thai food, or chili peppers in Indian food more...
Learn about the importance of team spirit in games.
Study about gender and class stereotyping in play.
Study about local and traditional games.
Learn about changing pattern of local games.
Study and learn about the changing nature of leisure.
Learn about the art of blowing and different techniques of breathing.
Learn about the role of labour in our society.
QUICK CONCEPT REVIEW Team; A group of players forming one side in a competitive game or sport is called a team.Teamwork: The efforts undertaken by every team member for the achievement of the team's objective is known as teamwork. more...