A monumental structure with a square base and four triangular sides that form a point at the top
Pyramid
This is an object used for travelling over snow, with narrow, long strips of wood or metal under it, instead of wheels
Sledge
This is the line we see where the sky meets the land
Horizon
A person who is legally owned by someone else and has no personal freedom
Slave
This is the main guilty of Titanic's sinking
Iceberg
This is a very small river
Stream
An ancient imaginary creature with a lion’s body and a person’s head
Sphinx
A circular house made of hard blocks of snow
Igloo
This is an area of land that is very wet
Swamp
A two-wheeled vehicle pulled by horses that was used in ancient times for racing and fighting
Chariot
A large area of ice floating in the sea
Ice floe
A large area of land covered with grass
Grassland
A system of writing that uses pictures instead of words, especially used in Ancient Egypt
Hieroglyphics
Patterns of colours in the sky that can be seen at night in some particular places of the world
Northern lights
This is a cylinder of wood from a tree
Log