Balbharati solutions for Geography Integrated [English] Standard 6 Maharashtra State Board chapter 6 - Importance of Oceans [Latest edition]

Use the following ingredients: One bowl of rice flakes (pohe). One teaspoon oil. One tomato and a small onion, diced. Chilli powder to taste. Mix all the ingredients well. Give the mixture to all your friends and ask them to taste it. Now add some salt to the mixture and taste it again.

• What difference do you notice in the dish you tasted earlier and later?
• What do you think made the dish really tasty?
• For what other purposes do you use the last ingredient at home?
• Discuss the source of this ingredient.

Take some water in a steel dish (figure). It is better if the water is from a borewell. Keep the water in direct sunlight. Do not remove the dish until all the water gets. evaporated. Observe the dish after the water has evaporated completely. What do you see? Taste the substance in the dish.

Where does the water flowing through the rivers go in the end?

Are there volcanic eruptions in the seas?

Where did all this water on the earth come from?

See the figure and answer the following questions.

• What items are included in our diet?
• Which items amongst those shown come under non-vegetarian food?
• Which of these are prepared from aquatic creatures?

The above table records the maximum and minimum temperatures from some places located between 30∘ and 40∘ north parallels. Study the table and do as directed.

• Calculate the difference between the mean maximum and minimum temperatures and write it in the last column.
• Highlight the rows for the places having a range of temperature over 10°C with red colour.
• Colour other rows in blue.
• Find the locations of these places from an atlas.
• Which places are closer to the oceans? Tell whether the range of temperature at these places is less or more.
• What might be the main reason leading to differences in the temperature range of different places?
• In which thermal zone are all these places located?
• Which places are far away from the oceans? Do those places have a greater or smaller temperature range?
• Mention the places having the smallest and greatest temperature ranges.
• Draw a graph for the above data. Use a proper colour scheme.

Collect information about how a natural pearl is formed. Which oceanic organism develops it? In which sea is it found in India?

Sameer and Sania are playing a game of showing the waterways on a map of the world. Their routes are going in opposite directions. One is following the eastern route while the other is taking a route that takes to the west.

• From Mumbai port some goods are to be taken to London in UK. On a map of the world, show at least two such routes with a pencil. Write down the names of the ports of different nations that fall on the route followed by each.
  1. Ports on the route followed by Sameer. 
  2. Ports on the route followed by Sania.
• Which of the routes you feel is shorter? That of Sameer's or Sonia's?
• Which oceans does one have to pass through if one follows Sameer's route or Sonia's route?
• What are Panama and Suez? For what purpose were they constructed? Have these been used in Sameer's or Sonia's routes?
• Find if there can be any route other than the ones that you have marked.

Different marine animals like the blue whale, turtle, starfish, etc. appear before you in your dream and complain to you. They say, “You humans are not allowing us to live properly. You throw the waste and chemicals that you do not want into our house. The youngsters in our house are falling ill due to this. Some are getting killed. You must think about this situation and remove the pollution from the seas.” Now tell what you will do.

What would have happened if man had not discovered sea routes?

You live near Mumbai city. In your farm you have produced 1000 quintals of rice. There is a good demand for it in the overseas market than in the local market. A merchant from South Africa is ready to purchase this rice at a good price but he wants the import at Cape Town port within four months. Tell what you will do, as a good trader.

Tell about the items that can be obtained from the oceans.

Tell the importance of oceans.

Tell issues related to oceans.

Find the odd man out.

Find the odd man out.

Find the odd man out.

Find the odd man out.

Find the odd man out.

Which items does man get from the oceans?

Why is it economic to carry out transport by waterways?

Why is there a difference in the climates of regions close to the oceans and regions far away from the oceans?

Which continents are located along the coast of the Pacific Ocean?

Colour the different oceans on an outline map of the world and prepare an index for the map.

Group work: Make five groups. Each group should collect some information and pictures of one ocean. With the help of the information collected, each group should. make a poster and make presentation.

Which issue is indicated in this picture? What measures will you suggest to counter the issue?