This picture shows the national flags for the United Arab Emirates and Jordan. Firstly, we can see that both flags share the same colors, including red, green, white and black. Secondly, on the left side, there is a red rectangle on Arab’s flag, but there is a red triangle with a white star in the middle on Jordan’s flag. Finally, on the right side, although the white rectangle is in the middle on both flags, on Arab’s flag, the green rectangle is on the top, while on Jordan’s flag, the black rectangle is on the top. In conclusion, we can learn about the similarities and differences of the two flags.

This picture shows Maslow’s pyramid of needs. Firstly, at the bottom, we can see the basic needs, including physiological needs and then safety needs; it means that people need to get food, water, warmth and rest and then will feel safe and secure. Secondly, there are psychological needs, including belongingness and love needs, and esteem needs; it means that we need to be involved in intimate relationships before pursuing the prestige and feeling of accomplishment. Finally, on the top, there is the self-fulfillment needs, or self-actualization, meaning achieving one’s full potential, and including creative activities.

This picture shows the layers of the earth. Firstly, the globe is surrounded by the atmosphere. Then, from the outside to the center of the earth, there are crust, mantle, outer core, outer core of molten mantle and solid metal inner core. As for the layers of land, we can see continental crust, followed by oceanic crust and upper mantle, which is consisted of the lithosphere and the asthenosphere. Moreover, the mantle continues down to outer core. In conclusion, we can learn about the multiple layers of the earth, which are fundamental for studying geology.