Vocabulary: astr, di-, bi-, tri-

Front

What is the term for a person who travels into outer space in a spacecraft?

Back

astronaut

Front

What is the antonym of 'dilemma'?

Back

solution

Front

What type of research is conducted by NASA scientists that relates to space?

Back

astronomical

Front

What is the antonym of 'diverse'?

Back

same

Front

What is the symbol used in printed text to indicate a note at the bottom of the page?

Back

asterisk

Front

What does the prefix 'astr-' relate to?

Back

It relates to stars or outer space.

Front

What does the prefix 'di-' mean?

Back

It means two or double.

Front

What does the prefix 'bi-' signify?

Back

It signifies two or both.

Front

What does the prefix 'tri-' indicate?

Back

It indicates three.

Front

Give an example of a word that uses the prefix 'bi-'.

Back

Bicycle (a vehicle with two wheels).