What does the word 'research' mean in paragraph 1?

• information

• story

• problem

What is the meaning of 'shifting their weight' in paragraph 2?

• sitting very still

• standing up straight

• moving their bodies around

• turning their bodies in circles

In paragraph 6, the Wright brothers wanted to test the glider before 'putting a man in it.' What does this phrase tell about them?

• They acted bravely.

• They valued safety.

• They acted dangerously.

• They valued cooperation.

What is the meaning of the word 'adjustments' in paragraph 6?

• adventures

• struggles

• events

• changes

What is the meaning of the phrase 'had come in handy' in paragraph 6?

• was easy

• was boring

• was useful

• was difficult