[B] Do Whales Sleep?

LET'S UNLOCK WORDS AND PHRASES 🔐

submerge

[ suhb-ˈmurj ]

verb

- to go below the surface of an area of water

Seals exhale so they can submerge more easily.

vigilant

[ ˈvij-uh-luhnt ]

adjective

- always being careful to notice things, especially possible danger

Following the bomb scare at the airport, the staff have been warned to be extra vigilant.

being

[ ˈbee-ing ]

noun

- a person or thing that exists

Strange beings from outer space are still a popular subject for sci-fi movies.

majestic

[ muh-ˈjes-tik ]

adjective

- beautiful, powerful, or causing great admiration and respect

The majestic Montana scenery will leave you breathless.

stem from something

phrase

- to start or develop as the result of something

Their disagreement stemmed from a misunderstanding.

LET'S READ! 📖

Direction: Read the passage aloud. Then, read it silently.

Do Whales Sleep

COMPREHENSION CHECK 🧠 A. Directions: Identify if the statements are TRUE of FALSE. If the statement is FALSE, provide the correct answer.

COMPREHENSION CHECK

Whales breathe without any conscious effort, just like humans.
Whales have blowholes located on the sides of their heads.
Whales can enter a state of deep unconscious sleep without any risk of drowning.
Whales can sleep with only one hemisphere of their brain at a time.
Whales are fully unconscious when they sleep and cannot respond to external stimuli.

B. Direction: Answer the following questions based on the article.

What makes whales different from humans when it comes to breathing?
Where are whales’ blowholes located, and why are they important?
Why can't whales enter a state of deep unconsciousness for extended periods?
How do whales sleep while staying partially conscious?
Why do whales engage in partial sleep near the water’s surface?

C. Direction: Match the words in column A with their synonyms in column B.

A	B
1. replenish	a. adept
2. fascinating	b. intentional
3. adaptation	c. restore
4. voluntary	d. enthralling
5. capable	e. adjustment