Give reasons for the following statements.
1. Penguins can easily live in the polar regions.
2. The winds flow from the sea towards the land in summer.
3. Place a crumpled piece of paper on the mouth of an empty bottle and it comes outside
when you blow air inside the bottle.
Answers
Explanation:
Penguins can easily live in the polar regions.
Penguins are not arctic animals, but rather live at the South Pole, or Antarctic, and in surrounding areas. There are many types of penguins, some of which even migrate short distances to different breeding or feeding grounds, but for the most part they confine themselves to the southernmost latitudes of the world.
The winds flow from the sea towards the land in summer.
sea breeze
A sea breeze describes a wind that blows from the ocean inland towards land. This breeze occurs most often in the spring and summer months because of the greater temperature differences between the ocean and nearby land, particularly in the afternoon when the land is at maximum heating from the sun.
Place a crumpled piece of paper on the mouth of an empty bottle and it comes outside.
Inside the bottle, the air is moving more slowly - so a higher pressure. As the pressure is higher inside the bottle than in the mouth this pushes the paper out!
when you blow air inside the bottle.
As you blow into the mouth of the bottle the air is moving fastest - so is at the lowest pressure. Inside the bottle, the air is moving more slowly - so a higher pressure. As the pressure is higher inside the bottle than in the mouth this pushes the paper out!
Explanation:
Statement 1 - Penguins can easily live in the polar region because they have maintain high body temperatures to remain active. The thick skin helps to maintain warm in cold temperature. The feathers are tightly attached and overlap to one another, it provide waterproofing and warmth.
Statement 2-During summers, the temperature over sea is low. This creates high pressure area over the sea. On the other hand, the temperature over land is high creating low pressure area. Since the winds blow from high pressure to low pressure areas, winds in summer season blow from the sea to land.
Statement 3-Inside the bottle the air is moving more slowly - so a higher pressure. As the pressure is higher inside the bottle than in the mouth this pushes the paper out!