alphabetize these words: computer, email, dictionary
computer, dictionary, email
He is an ____.
astronaut
We can see the ___ from Earth.
moon
This is a ___.
ship
The radio was ____ in 1895.
invented
Scientists design things to help astronauts explore outer ____.
space
Scientists build _____ that let astronauts fly into space.
spaceships
Spaceships use cameras and _____ to communicate.
computers
How are a ship and a spaceship different?
Today, people fly into space. In the past, they ____ into space for the first time.
flew
