Answer:
Scorpius, Orion, Ursa major
Step-by-step explanation:
Constellation is a group of stars that forms a pattern on the celestial sphere. The pattern typically represents, an inanimate object, a god, an animal, a mythological person etc.
Polaris is a star also known as North Star because it is almost at the north celestial pole. It is located at the end of the handle of Little Dipper, in Ursa Minor.
Big Dipper is an asterism in the constellation Ursa major, which is one of most commonly known shape in the sky.