When you go to the seaside, maybe you will notice(注意) that the wind very often comes from the sea to the land in the  (1)  part of the day, but in the evening, the wind blows in the opposite direction(方向).Why does this happen?

In the morning, when the sun   (2)   ,it begins to warm the land   (3)   the se a. The land  (4)   warm faster than the sea. So while the air above the sea is cool ,the air over the land   (5)  warmer. The air   (6)  the land rises and the cool air from the sea moves   (7)   the land.

When evening comes,   (8)  the sea and the land become cool, but the land cools more   (9)   than the sea. The wind now changes   (10)   direction.