Front

What's the meaning of "cipher"?

Back

A cipher is a secret system of writing that you use to send messages.

Front

A ____________ machine or method is more complex than others.

Back

sophisticated

Front

Which problem has Julian Calendar faced because of his love for science?

Back

teasing

Front

Julian was excited to move to a new city where nobody knows he's a nerd.

Back

TRUE

Front

Julian is an expert in__________

Back

aerodynamics

Front

Greta and Ben wish that the copter could ___, so they ask Julian to help finish building it.

Back

fly