Skip to content
Science worksheet about dolphins with fill-in-the-blank vocabulary questions and a labeled diagram of a dolphin's blowhole.
Worksheet

How Do Dolphins Sleep Without Drowning?

View Worksheet →

Download as-is, or customize
to fit your needs.

About:

This science worksheet explores how dolphins sleep without drowning. Students fill in blanks using vocabulary (blowhole, adaptation, mammals, automatically) and label body parts while reading about dolphin breathing and brain adaptations. Works well as a standalone activity on animal biology, part of a marine-life unit, or a science-and-language arts combination lesson.

Subject:
Science
Topic:
Animals
Grade Level:
Not Grade Specific
Updated July 2026

Word Bank

  • adaptation
  • automatically
  • blowhole
  • mammals

How to Use This Worksheet

Print this worksheet for classwork, homework, or independent practice. Click 'Open This Worksheet' to edit questions, adjust formatting, or add your own content before downloading.

Related Activities

Under the Ocean Word Search

This 15-word ocean animals word search introduces early elementary students to sea creatures and underwater vocabulary.

Green Sea Turtle Word Search

This 21-word green sea turtle word search teaches students in Grades 4–6 about marine biology and conservation.

Medical Terminology: Reproductive System

This printable anatomy worksheet for 9th–12th graders introduces medical terminology related to the reproductive system.

Medical Terminology: Respiratory System

This worksheet guides students through medical terminology related to the respiratory system using flashcards and combining-form translation exercises.

Quranic Study: Surah An-Naba Verses 31-40

This printable worksheet covers Surah An-Naba Verses 31–40 with Arabic text, English translations, and explanations.

Farm Animals Word Search

This 10-word farm animals word search introduces young learners to common domestic animals.