HMH Unit 5 Surviving the Unthinkable Vocabulary

What does the word impact mean?

• the striking of one thing against another

• a significant or major effect

• Both answers are correct

What does the word circumstance mean?

• in an important way

• the weather

• the condition in which something happens

What is the meaning of the word significant?

• a situation

• to help someone

• in an important way

What does the word constraint mean?

• the water cycle

• A restriction or limitation

• a situation

Which of the following sentences demonstrates the correct usage of the word "circumstance"?

• Due to the rainy weather, the picnic was canceled, and we had to find an alternative circumstance.

• Josie's good grades were a circumstance of her hard work and dedication to her studies.

• Pablo's new job offer came as a circumstance surprise to his family.

• The circumstance of the accident forced us to reroute our travel plans.

In the context of making a difference, what does the word "impact" most likely refer to?

• The force or effect of one thing on another.

• A loud noise or reverberation.

• A type of footprint left behind on a surface.

• A collision or contact between two objects.

What does the word injure mean?

• to do physical harm or damage

• to avoid a situation

• to create something

Which sentence uses the word "significant" correctly?

• Sierra's new backpack was significant because it was red.

• Jamal felt significant when he won the race.

• The teacher asked for a significant amount of homework to be completed.

• The test results showed a significant improvement in Priya's math skills.