Unit 1 Lesson 4 Vocabulary

What are symptoms?

• Signs of illness or disease

• Materials transported in a train

• Mysterious and scary things

• Dog sled races

When people who have a contagious disease are separated from those who are healthy, it is called

• Epidemic

• Quarantine

• Serum

• Twilight

What is a serum used for?

• Walking through water

• Battling an illness

• Dog sledding

• Transporting materials

When you walk through water, you are said to

• Wade

• Plight

• Eerie

• Perish

What do you call people who are in charge of dog sleds?

• Symptoms

• Mushers

• Freighters

• Treacherous

The time when the sun is beyond the horizon, but its light is still visible, is called

• Twilight

• Quarantine

• Epidemic

• Plight

If something is eerie, it is likely to be

• Difficult and dangerous

• Mysterious and scary

• Signs of illness

• Materials transported in a train

A struggle or a dangerous and difficult situation is known as a

• Quarantine

• Serum

• Plight

• Freight

An illness that spreads and affects a lot of people is called an

• Eerie

• Perish

• Epidemic

• Treacherous

If something is described as treacherous, it means it is

• Mysterious and scary

• Signs of illness

• Difficult and dangerous

• Separated from healthy people