I would start off by reading the story Aliens love underpants and go through all space specific vocabulary to make sure it is understood.
We would then integrate with art to create an alien and spaceship of their own choice.
Hands on activity: Create a star lantern.
Interactive learning: Kahoot quiz in groups. This reinforces learning and assessment.
Nursery Rhymes: Twinkl Twinkl Little Star, Hey Diddle Diddle
Creative Projects: In groups on space
Questioning: Constant questions throughout