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How Animals Use Their Senses

Interactive passage with audio narration, comprehension questions, and printable PDF.

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Format: Interactive (Online), Printable (PDF)
Grades: 345
Subjects: scienceelareading
Standards: NGSS 4-LS1-2
Languages: English, Spanish

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What's included

Reading passage

Reading comprehension

Audio narration

With word word highlighting

Comprehension quiz

Auto-graded

Writing activity

Open-ended response

Glossary & flashcards

Vocabulary practice

Differentiated version

Adapted for varied levels

Spanish translation

Bilingual support

About this reader

This Grade 4 science reading passage introduces students to how animals use their senses to receive information about their environment. Aligned with NGSS 4-LS1-2 and the Disciplinary Core Idea LS1.D, the passage explains that different sense receptors are specialized for particular kinds of information. Students learn that animals like dogs rely heavily on smell, eagles depend on sharp vision, and bats use hearing to navigate. The passage establishes the sense-process-respond model, helping students understand that senses are the first step in how animals interact with the world around them. This audio-integrated resource includes a simplified differentiated version, Spanish translations, vocabulary glossary, multiple-choice questions, writing activities, and graphic organizers. The content uses age-appropriate language and real-world examples to build foundational understanding of how different animals rely on different senses depending on their needs and habitat.

Written by Workybooks TeamPublished by Workybooks

Sample passage and quiz content

CONTENT PREVIEW

Dog sniffing scent trails. — Animals use specialized sense receptors to gather information and survive.

Animals have five main senses: sight, hearing, smell, taste, and touch. Senses are the ways animals collect information about the world around them. This information helps animals find food, avoid danger, and communicate with each other.

Different animals rely on different senses depending on where they live and what they need to survive. A dog has a powerful sense of smell that is much stronger than a human's sense of smell. Dogs can smell things that are far away or hidden underground. An eagle has incredibly sharp vision that allows it to spot a small mouse from high in the sky. A bat uses its excellent hearing to find insects in complete darkness. These animals have special sense receptors—body parts that detect information from the environment.

Each type of sense receptor is specialized for a particular kind of information. Eyes detect light and color. Ears detect sound waves. The nose detects chemicals in the air. The tongue detects chemicals in food. Skin detects pressure, temperature, and pain. When a sense receptor detects something, it sends a signal to the animal's brain. The brain then decides how the animal should respond. This is called the sense-process-respond model.

Think of sense receptors like different tools in a toolbox. Just as you use a hammer for nails and a screwdriver for screws, animals use different senses for different jobs. A bloodhound uses its nose to track people, while an owl uses its hearing to hunt at night.

Interesting Fact: A dog's nose has about 300 million smell receptors, while humans only have about 6 million. This is why dogs can be trained to find missing people or detect dangerous substances!

What are the five main senses?

Sight, hearing, smell, taste, touchRunning, jumping, flying, swimming, walkingEating, sleeping, playing, hunting, hidingHot, cold, wet, dry, soft

Which animal uses smell as its strongest sense?

EagleBatDogOwl

What do sense receptors do?

They make animals grow biggerThey detect information from the environmentThey help animals sleep betterThey produce food for animals

Why does an eagle have sharp vision?

To see prey from high in skyTo hear insects in the darkTo smell food undergroundTo taste better food

What happens after a sense receptor detects something?

The animal immediately falls asleepThe animal stops moving completelyA signal is sent to brainThe sense receptor breaks down

How do bats find insects at night?

Using their excellent hearingUsing their sharp visionUsing their sense of smellUsing their sense of taste