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Give K-6 students the opportunity to explore ideas in greater depth at their own pace while meeting real-world scientists and engineers with 
Twig Science Leveled Readers.

Bring literacy and science together using informational, narrative, descriptive, and argumentative text types

Discover new strategies for introducing students to informational text developed by award-winning author and phonics specialist Wiley Blevins by downloading his whitepaper.





Twig Education’s magazine-style leveled readers can be used during science or English Learning time to build knowledge and check understanding. By combining these subjects, teachers can effectively teach twice as much in the same time.

The leveled readers guide students aged 5 - 11 through the process of understanding informational text. This kind of text makes up 90% of the text we read as adults—like road signs, emails, or instructions. Being able to understand informational text therefore helps students with the real-world demands they’ll face when they leave school.

The readers are available at four skill levels to suit every student. Multiple support tools help students to access vocabulary, read complex sentences, and understand key ideas. Visual glossaries give definitions of important vocabulary.

Interviews with real scientists and engineers introduce STEM careers to students. The readers can also be combined with Twig Education’s high-quality video content that bring phenomena to life.



1. Exploring Phenomena

Build curiosity about a phenomenon—students will discover what we know and how we know it.

2. STEM Career

Introduce students to professionals working in STEM careers in these fascinating interviews with real scientists.

3. Real-World Connection

Connect students’ learning to the real world—showing why they should care about the phenomenon and how it affects them. 


Be a Scientist


Be a Scientist features encourage students to take part in real scientific experiments and investigations in the form of optional micro-labs.


These activities can be done without specialist equipment, and student-facing instructions are provided

Visual Glossary

Each leveled reader features a visual glossary that provides definitions for key terms and scientific vocabulary for Tier 2 and Tier 3 vocabulary support.

Cool Tools, On the Job, and A Day in the Lab

Follow in the footsteps of some seriously cool scientists and engineers.

Discover what incredible equipment and skills the scientists interviewed in each reader use to conduct and record their experiments.




An author and reading specialist, Wiley has written several books on reading instruction and teaching students to read informational text.


He is a cross-curricular expert with extensive experience in English Language Arts and English Learners, including graduate work in education at Harvard University, elementary classroom teaching, and professional development in the United States, Latin America, and Asia.

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Currently available in English, Spanish and Chinese, Twig Science Readers can be localised into any language.


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Ready-made lesson plans include discussion questions and ideas for how to extend learning. 


Help students get more out of the Readers by using the printable worksheets.


The Friendly Kakapo

Wiley Blevins

Phenomenon: Different plants and animals live in different places.

Animal Builders

Wiley Blevins

Phenomenon: How do animals change their environments?


Samantha Z. Miller

Phenomenon: Why do skyscrapers create shadows in cities?

What is it Made of?

Linda B. Ross

Phenomenon: How can we describe materials as different from one another and understand how their properties relate to their use?

Roller Coaster Ride

Lisa Lerner

Phenomenon: How are objects affected by the forces of push and pull?

Weather Hazards

Jennifer Rose

Phenomenon: What is the weather like around the world?

Sculpting Landscapes

Rebecca Rector

Phenomenon: How have weathering and erosion sculpted some of the Earth’s most interesting landscapes?

Absolute Zero

Audrey Carangelo

What is matter made of?

Looking to the Stars and Beyond

Rebecca Rector

Phenomenon: What patterns fo we notice when we observe the sky?


Barbara M. Linde

Phenomenon: How do the environment and genetics affect animals and plants?

Pushes and Pulls

Wiley Blevins

Phenomenon: What happens when we push, pull, and drop objects? How can we change their speed and direction?

Our Leafy Friends

Wiley Blevins

Phenomenon: How are all plants alike and how are they different?

Day and Night

Wiley Blevins

Phenomenon: What patterns do we observe in the sky?

Incredible Erosion

Samantha Z. Miller

Phenomenon: How do natural processess shape the Earth?

Life Cycles

Elizabeth Raum

Phenomenon: How do plants’ and animals’ life cycles help them survive?

The Science of Baseball

David McGinty

Phenomenon: What happens to energy when objects collide

Shake, Rattle, and Roll

Alice Boynton

Phenomenon: How can we reduce the damage caused by earthquakes?

The Galápagos Islands

Deirdre A. Prischmann

Phenomenon: How do matter and energy move through an ecosystem?

It's Alive!

Allison Lassieur

Phenomenon: How do human body systems and subsystems work together?

Global Warming

Allison Lassieur

Phenomenon: How can we reduce harmful impacts on the environment in the places where people live?

What's the Weather?

Wiley Blevins

Phenomenon: How do we observe weather and collect data to describe weather patterns over time?

Animal Talk

Wiley Blevins

Phenomenon: How do animals use their body parts, communicate with their young, and make sounds?

What is a Map?

Elizabeth Raum

Phenomenon: How can we understand and describe the land and water on Earth?

Where Are the Bees?

Linda B. Ross

Phenomenon: How do living things in an environment depend on one another and what do they need to grow?

Surviving in Different Environments

Samantha Z. Miller

Phenomenon: What is the relationship between an organism and its environment?

Renewable Energy

Victoria G Christensen

Phenomenon: How do people produce and transfer energy for their use?

Amazing Animal Senses

Rebecca Rector

Phenomenon: How do the many parts of an animal’s body work together to help it live in the world?

Where's the Water?

Victoria G Christensen

Phenomenon: Why do some places lack fresh water and what can we do to protect it?

What Causes Weather?

Audrey Carangelo

Phenomenon: Weather and climate vary around the world, but we can use science and past trends to predict them.

Twig Science Readers are available in print or as digital flipbooks in US English, Spanish or Chinese, and can be localised into any other language.

We work with the world's leading educational organisations, contact us to discuss commercial co-operation for your territory.

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