STEM 15 4_2

a model building of sand, often made by children on the beach

the shell of a small creature that lives in the sea

a small hard piece of something ( a small piece of sand)

a construction that connects two different things

a container with an open top and a handle

a tall narrow building or part of a building, especially of a church or castle

a very tall building in a city

a small drop of water or any other liquid