What do astronauts wear?
spacesuit
to stop you from moving or going
restrict
someone who was born in a country and lives there
citizen
a very big hall for concerts and meetings
auditorium
a teacher who teaches physics, biology, earth science, chemistry
science teacher
to be the boss and make sure someone does the work correctly
supervise
people who come to your classroom to talk about something
visitors
What's that?
a model of the solar system
space flights into outer space to learn new things about the space
space missions
to like to do something very much
passion
to like something too much; to have too much interest in someone or something
obsession
when you talk about something in front of people to inform them about something
speech
to talk about something in front of people using pictures, graphs, visuals
presentation
