Pis forParallelogram
A parallelogram is a shape with four sides. A parallelogram looks like a rectangle that has been pushed sideways. Both pairs of opposite sides are parallel and the same length. The windows in the picture, viewed from this angle, look like a parallelogram. In fact, each of the windows is a little parallelogram by itself.
A tram, or streetcar is a kind of small train that also runs on railway tracks. Trams are typically seen in suburban streets instead of trains or buses.
Vietnam is a country in south-east Asia. The capital of Vietnam is Hanoi. People in Vietnam speak Vietnamese.
Scientific name: genus: dioscorea
A yam is the tuber of a vine, found in many countries around the world. Yam tubers can grow very big - up to 70kg. Yams have a rough skin that is hard to peel, but much softer flesh inside.
Many people call sweet potatoes yams or sweet yams, but they are actually different vegetables.
Some variety of yam can be eaten raw, but most need to be cooked. Yams can be fried, boiled, pounded down and made into a dough. They can also be dried and powdered and used to make something similar to instant mashed potato.
