Your Science Sub Starter Kit

Free Lesson Plan Collection

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General Science

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About Your Science Sub Starter Kit

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Welcome to your Science Sub Starter Kit — your all-access pass to 30 FREE, classroom-ready science lessons for primary, middle, and secondary students (and perfect for homeschooling, too!). Inside, you'll find a treasure trove of engaging PDF lesson plans, interactive Google Sheets, and self-marking Google Forms — all designed to make your teaching life easier.

Whether you're a substitute teacher walking into the unknown or a full-time educator needing reliable backup, these zero-prep resources are ready to print, assign, or share in just a few clicks.

From ecosystems to energy, volcanoes to the human body, there’s something here for every science topic and every kind of classroom.

Let this be your go-to grab bag of science brilliance — free forever, and created with busy, brilliant teachers like you in mind.

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Earth Science

3 Chapters

Geology

Free Lesson Plan Collection Natural Disasters

This ready-to-use lesson helps students explore the causes and effects of natural disasters in a way that’s engaging, flexible, and easy to teach. With thought-provoking tasks and varied activities, it encourages curiosity, critical thinking, and real-world connections—perfect for sub plans, review days, or anytime you need a meaningful science lesson with zero prep.

Free Lesson Plan Collection Volcanoes

Spark curiosity about Earth’s fiery forces with this no-prep volcano lesson. Whether used as a quick filler, a full-class activity, or a sub plan, this resource makes it easy to explore volcanoes in a way that’s engaging, accessible, and classroom-ready — no matter the age group or setting.

Environmental Science

Free Lesson Plan Collection Climate Change

This flexible, no-prep lesson introduces students to the key ideas surrounding climate change in a clear and approachable way. With a variety of engaging activities, it supports understanding, discussion, and critical thinking—ideal for quick planning, sub days, or enriching your environmental science coverage without added stress.

Free Lesson Plan Collection Environmental Science

These ready-to-go resources help students explore important environmental themes through accessible, engaging activities. Designed to spark curiosity and promote thoughtful discussion, they’re perfect for filling lesson gaps, supporting review, or adding variety to your science curriculum—with no prep required.

Free Lesson Plan Collection Recycling

These flexible, no-prep resources introduce students to the importance of recycling and waste reduction in a fun, accessible way. With a mix of engaging tasks and thought-starters, they’re ideal for encouraging real-world thinking and supporting environmental awareness—great for sub plans, extension work, or everyday science lessons.

Free Lesson Plan Collection Virtual Water

These thought-provoking resources help students explore the hidden water behind everyday choices, encouraging critical thinking and real-world connections. Easy to use and low-prep, they’re perfect for sparking discussion, supporting environmental awareness, or enriching your science lessons with engaging, flexible content.

Free Lesson Plan Collection Renewable Energy

These easy-to-use resources introduce students to the big ideas behind renewable energy in a clear, engaging way. With flexible activities that encourage curiosity and real-world thinking, they’re perfect for sub plans, class discussions, or supplementing your science curriculum—no prep required.

Free Lesson Plan Collection Ecosystems

These engaging, ready-to-use resources help students explore the relationships and balance within ecosystems through flexible, thought-provoking activities. Designed to support understanding and spark curiosity, they’re ideal for quick lessons, review sessions, or adding depth to your life or environmental science teaching.

Meteorology

Free Lesson Plan Collection Gulf Stream

These flexible, no-prep resources guide students through the fascinating role of the Gulf Stream in shaping global systems. With engaging activities that support curiosity and critical thinking, they’re perfect for enhancing lessons, supporting independent work, or sparking interest in Earth and environmental science topics.

Life Science

3 Chapters

Zoology

Free Lesson Plan Collection Spiders

These ready-to-use resources invite students to explore the fascinating world of spiders through a variety of engaging, low-prep activities. Perfect for sparking curiosity, supporting inquiry, and adding hands-on learning to your life science lessons with minimal effort.

Free Lesson Plan Collection Animal Classification

These flexible, easy-to-use resources help students explore the basics of animal classification through engaging and thought-provoking activities. Ideal for supporting understanding, encouraging critical thinking, and adding variety to your life science lessons with minimal preparation.

Anatomy

Free Lesson Plan Collection Body Organs

These ready-to-use resources offer engaging activities that help students explore the functions and importance of body organs. Designed for flexibility and ease, they’re perfect for reinforcing key concepts, supporting review, or enriching your life science curriculum with minimal prep.

Free Lesson Plan Collection The Skeletal System

These accessible, low-prep resources guide students through the basics of the skeletal system with engaging and varied activities. Perfect for building understanding, encouraging curiosity, and adding depth to your life science lessons with minimal effort.

Free Lesson Plan Collection Human Anatomy

These versatile, ready-to-use resources help students explore key concepts of human anatomy through engaging, flexible activities. Ideal for supporting comprehension, sparking curiosity, and enhancing your life science lessons with little to no preparation required.

Genetics

Free Lesson Plan Collection DNA

These easy-to-use resources introduce students to the fundamentals of DNA with engaging, thought-provoking activities. Designed for flexibility and minimal prep, they’re perfect for deepening understanding, encouraging inquiry, and enriching your life science curriculum.

Free Lesson Plan Collection Natural Selection

These ready-to-use resources explore the key ideas behind natural selection through engaging and accessible activities. Ideal for fostering critical thinking, supporting student understanding, and adding variety to your life science lessons with minimal preparation.

Physical Science

3 Chapters

Physics

Free Lesson Plan Collection Electromagnetic Spectrum

These flexible, easy-to-use resources introduce students to the fundamentals of the electromagnetic spectrum through engaging activities. Perfect for supporting understanding, sparking curiosity, and enriching your physical science lessons with minimal prep required.

Chemistry

Free Lesson Plan Collection States of Matter

These ready-to-use resources help students explore the properties and changes of matter through clear, engaging activities. Designed for flexibility and ease, they’re perfect for reinforcing key concepts and adding variety to your physical science lessons with minimal preparation.

Free Lesson Plan Collection Periodic Table

These accessible, no-prep resources guide students through the basics of the periodic table with engaging and flexible activities. Ideal for supporting understanding, encouraging exploration, and enhancing your chemistry lessons with minimal effort.

Astronomy

Free Lesson Plan Collection Space Toilets

These fun and flexible resources explore the unique challenges of life in space through engaging, thought-provoking activities. Perfect for sparking curiosity, encouraging problem-solving, and adding an out-of-this-world twist to your science lessons with minimal prep.

Free Lesson Plan Collection Black Holes

These ready-to-use resources introduce students to the mysteries of black holes through engaging and accessible activities. Designed to spark curiosity and support understanding, they’re perfect for enriching your space science lessons with minimal preparation.

Free Lesson Plan Collection The Planets

These flexible, easy-to-use resources guide students through the fascinating world of the planets with engaging activities. Ideal for building understanding, sparking curiosity, and enriching your space science lessons with minimal prep required.

Multidisciplinary Science

1 Chapter

Miscellaneous

Free Lesson Plan Collection Fractals

These accessible, ready-to-use resources explore the intriguing patterns of fractals through engaging and thought-provoking activities. Perfect for encouraging curiosity, supporting critical thinking, and adding a unique dimension to your science lessons with minimal preparation.

Famous Scientists

1 Chapter

Physical Science

Free Lesson Plan Collection Albert Einstein

These ready-to-use resources offer engaging activities that explore the life, ideas, and impact of Albert Einstein. Designed for flexibility and ease, they’re perfect for inspiring curiosity and enriching your science lessons with minimal preparation.

Free Lesson Plan Collection James Clerk Maxwell

These flexible, easy-to-use resources introduce students to the contributions and legacy of James Clerk Maxwell through engaging activities. Ideal for supporting understanding, sparking curiosity, and enhancing your science curriculum with minimal prep required.

Story Time

6 Lessons

Free Lesson Plan Collection The Light Bulb

These ready-to-use resources explore the history and science behind the invention of the light bulb through engaging, accessible activities. Perfect for sparking curiosity, supporting learning, and adding variety to your physical science lessons with minimal preparation.

Free Lesson Plan Collection The Planets

These flexible, easy-to-use resources guide students through the fascinating world of the planets with engaging activities. Ideal for building understanding, sparking curiosity, and enriching your space science lessons with minimal prep required.

Free Lesson Plan Collection The Human Body

These versatile, ready-to-use resources help students explore key concepts of human anatomy through engaging, flexible activities. Ideal for supporting comprehension, sparking curiosity, and enhancing your life science lessons with little to no preparation required.

Free Lesson Plan Collection Evolution

These ready-to-use resources explore the key ideas behind natural selection through engaging and accessible activities. Ideal for fostering critical thinking, supporting student understanding, and adding variety to your life science lessons with minimal preparation.

Free Lesson Plan Collection Extreme Weather

These flexible, no-prep resources help students explore the causes and effects of extreme weather through engaging and thought-provoking activities. Ideal for encouraging critical thinking, supporting understanding, and enriching your Earth science lessons with minimal effort.

Free Lesson Plan Collection Albert Einstein

These ready-to-use resources offer engaging activities that explore the life, ideas, and impact of Albert Einstein. Designed for flexibility and ease, they’re perfect for inspiring curiosity and enriching your science lessons with minimal preparation.

About the Teacher

Lee Baker

Lee Baker is an award-winning software creator with a passion for turning scientific data into stories.

Data might be his natural habitat, but his passion extends far beyond the spreadsheet.

He believes that science shouldn't be confined to textbooks or worksheets, and he creates a collection of dynamic lesson plans that bring science to life, encouraging students to think critically, explore creatively, and solve problems like the innovative thinkers they are

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