40 Best Free Science Worksheets For Elementary Grades

These free 5 main body systems worksheets are a great way to start learning about the body.

Have fun labeling the body systems while learning new words.

I highly recommend these anatomy books from Know Yourself to use with these. Use code CLARE10 for an exclusive 10% off.

The older students will learn all 11 human body systems and write what the main function is and what organ helps.

Learn 18 new science vocabulary words with this free body systems word search printable.

The words are hidden vertically, horizontally, and diagonally, and some are even hidden backward. But don't worry the answer sheet is included.

Learn about the 8 phases of the moon with these free printables.

Learn 15 vocabulary words relating to the phases of the moon with our free phases of the moon word search puzzle.

Learn about the planets in our solar system with these free coloring pages.

Have fun while learning about the planet, with our free planet memory game. See who can match the planets first.

Learn about outer space with these free printable perler bead templates

In this space lesson plan children can learn key facts about the eight major planets in our solar system.

You can also use our printable Planets fact cards set and access a complete Space Unit for additional lessons and resources.

Make your own STEM-inspired straw rockets with this free printable rocket ship! Easy to make with only a few supplies

How far can your rocket fly? Create a straw rocket using a few simple materials, including a free printable rocket template.

The scientific method for kids helps kids explore how things work in the world.

The scientific method steps will encourage your kid to find the answer to their favorite question, “why?”

Learn more about the Scientific Method, plus use the free Scientific Method printable to guide your kids in how to apply it to their next experiment.

If you like enjoying STEAM activities for kids in your home, you are going to love these free printable scientific method worksheets.

They walk your kids through the scientific method and can be adapted for any STEM project!

Enjoy hands-on learning fun with this free scientific method cootie catcher.

Your kids will have a blast with this creative way to learn and practice these science ideas.

Have fun learning all about frogs with our free life cycle of a frog worksheet.

There are 5 pages to download including frog coloring pages, frog facts, and more.

Learn all about the life cycle of a goose with our free 5-page activity pack.

Perfect for younger students, and includes word scrambles, word searches, and sequencing.

Have fun learning about the caterpillar and the butterfly with these 7 free printables about the life cycle of a butterfly

Have fun learning all about the prickly hedgehog with these 8 free life cycle of a hedgehog worksheets.

Our free life cycle of a penguin worksheets are a perfect winter activity.

There are 10 pages to download and have fun with including coloring pages, memory games and so much more.

Have fun this winter learning all about the polar bear life cycle with our free worksheets for 2nd -4th grade students

Learn all about Butterflies with this fantastic free Life Cycle printable! It comes in several versions, so you can adapt it to the age group of your students.

Have you ever wondered how a bee's life cycle works?

Well, now you can find out with these life cycle of a bee color by number worksheets!

They're perfect for kids who want to learn more about these amazing creatures.

Just color in each section according to the number provided, and you'll see the life cycle of a bee come to life right before your eyes!

Have yourself a bug hunt and learn some fun fact about your favourite creepy crawlies. 

Learn about the life cycle of a frog with this free printable work sheet

The STEM Challenge Cootie Catcher is a great way to get kids interested in STEM, and it’s also a great way to teach them problem-solving skills.

The Cootie Catcher STEM Challenge PDF is available to download for free!

Have fun learning about the weather with our free preschool weather worksheets.

The 8 pages include writing practice, coloring, and matching activities.

Get kids excited to learn about the weather with this fun rain cloud activity. Includes a FREE printable experiment observation sheet!

Are you looking for an easy way to explain the greenhouse effect to kids?

We have hands-on experiments and fun printables that will make the greenhouse effect easy to understand and will clear up some common misconceptions

Quick and classic 5 day STEM challenge using budget-friendly materials that suit a wide range of ages/grades.

What happens when you try to do a sink or float science experiment with water AND baby oil? Try this simple STEM experiment and find out.

What happens when you add a packet of hot cocoa powder to your traditional baking soda and vinegar science experiment? Try this STEM experiment to find out!

Learn all about the rock cycle with this free activities pack. Includes 7 pages for learning fun!

This experiment is aimed at observing the plant growth and stages of development in dicotyledon plants.

Make your own invisible ink using lemon juice, this activity comes with a free printable instruction sheet featuring characters from the Disney movie big hero 6

Make your own unpoppable bubbles and beat the evaporation odds with this DIY science experiment.

Kids love building and playing with wooden blocks. Use this interest to challenge children to create specific things from the blocks, like a staircase or a boat. Print the free printable to give you ideas to get you started!

Challenge children to create the tallest tower they can using only cups and popsicle sticks. Print a FREE STEAM Choice Board for even more ideas.

Make a hoop glider and a paper plane and use the free printable to find out which one flies the best!

Learn about place value and fundamental math concepts, while playing with Lego.

Tangrams are an exceptional way to learn geometry and problem solving, both key STEM skills.