Grade 6 Science Practice

Label the diagram

Match the key term with the right definition

Wind flows from an area of (a)   pressure to an area of​ (b)   ​ pressure.

The pressure differences occur when the Earth's surface is heated ​ (c)   by the Sun.

During the day, the land is ​ (d)   than the ocean . That means the air over the land

will ​ (e)  

The energy from the sun is transferred to the Earth by

Label the Global winds correctly

Match the following

Label the diagram correctly to show the global winds

1. Density currents are ​ ​​ (a)   movements of water within the ocean that result from variations in water density.

3. ​ (b)   currents are the horizontal movement of ocean water near the surface.

4. Upwelling is a phenomenon in oceanography and meteorology where deep, ​ (c)   , nutrient-rich water rises to the surface of the ocean.​ ​ ​

Upwelling can happen without winds

A ​ (a)   is a large system of rotating ocean currents. In the Southern hemisphere, the gyres are moving ​ (b)   and in the Northern hemisphere, the gyres are moving ​ (c)   .