Designed with elementary and middle school students in mind, our vibrant collection of Valentine-themed slime activities complete with slime valentine printable ideas, can provide students with a playful and hands-on exploration of chemistry and creativity. As part of Valentine’s Day STEM activities, making slime can be a fun project to play with but also provides a lot of science for kids to learn!
In the classroom, teachers can bring in slime printables to captivate students’ attention, turning a typical Valentine’s Day celebration into an interactive and educational experience.
Tailored for specific age groups, these Valentine slime printables foster a sense of curiosity and wonder, making learning a memorable adventure.

Whether it’s measuring ingredients or observing chemical reactions, students embark on a journey that seamlessly integrates fun with foundational STEM concepts.
So, take a look at the following valentine slime printable ideas and watch as your classroom transforms into a hub of excitement, curiosity, and slime-filled learning!
Sticky Hearts: Slime Valentine Card Free Printable
This vibrant collection of Valentine-themed slime activities engages learners in playful and hands-on exploration, combining education with hands-on fun.
Teachers can transform the classroom into an interactive and educational space during Valentine’s Day celebrations. As students dive into colorful concoctions, they not only experience the joy of crafting but also gain insights into the scientific principles behind slime formation.
Tailored for specific age groups, these printables foster curiosity, creating a memorable adventure that seamlessly integrates fun with foundational STEM concepts.
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So let’s get started making valentine slime!
Classroom-Friendly Valentine Shirts
I love wearing fun Valentine-themed shirts in the classroom during February. Here are a few of my favorite Valentine Shirts for Teachers.
Be Kind Valentine Teacher Shirt
I Love You Sign Language Teacher Shirt
Kindness Teacher Valentines Day Shirt
Wood Heart Earrings for Valentine’s Day
Teaching Sweethearts Valentine’s Day Teacher Shirt
My Class is Full of Sweethearts Teacher Valentine’s Day Shirt
Tie Dye Heart Shirt for Teachers
Love All Day Every Day Teacher Valentine’s Day Shirt
Painted Heart Valentine’s Day Shirt for Teachers
Heart Fractions Math Teacher Valentine’s Day Shirt
Penguin Heart Teacher Earrings
Valentine Alphabet Teacher Shirt
Heart Envelope Valentine Earrings
ASL Sign Language Love Valentine ASL Teacher Shirt
All We Need is Love Globe Shirt
Valentine Elements Chemistry Teacher Shirt
Valentine SPED Teacher Inclusion Valentine’s Day Teaching Shirt
Teaching Valentine Conversation Hearts Shirt for Valentine’s Day
This Teacher Loves Her Students Valentine’s Day Shirt
Valentine Dinosaur Love Valentine’s Day Shirt for Teachers
Wearing a fun shirt, decorating the classroom with red and pink decorations, and doing other fun Valentine’s Day activities will make Valentine’s Day about more than just cardboard Valentines and candy.
The Science of Slime
The science journey of slime begins with understanding polymers, the long chains that give slime its unique stretchy texture.
As students mix ingredients, they witness chemical reactions that form cross-links, transforming a gooey mixture into a cohesive and satisfying slime. This hands-on experimentation fosters a deeper comprehension of molecular interactions, encouraging an early grasp of complex scientific concepts.
Furthermore, the printables seamlessly integrate math skills as students measure and mix precise quantities of ingredients. This mathematical precision plays a crucial role in achieving the perfect slime consistency, adding an extra layer of educational depth to the slime-making process.
By observing cause-and-effect relationships in the slime-making process, students develop critical thinking skills, setting the stage for future scientific exploration.
As the slime concoction transforms from a mere mixture to a fascinating polymer masterpiece, students not only witness the magic but actively participate in the creation of chemical bonds.
This engagement fosters a sense of ownership and curiosity, encouraging them to ask questions like, “What happens if I add more of this ingredient?” or “Why does it feel different when I stretch it?”
With the help of these slime valentine printable sets, children can become young scientists, unlocking the secrets of molecular structures and chemical reactions.
Valentine Science Books and More!
These fun Valentine’s Day Books for kids will teach kids about the science around Valentine’s Day, the history of the holiday, and a whole lot more!
The Calendar Kids Meet February Book
In My Heart a Book of Feelings
I Love You Around the World Valentine Coloring Book
Candy Bites the Science of Sweets
Celebrate Valentine’s Day Holidays Around the World
Build Valentine’s Day Fun with LEGO
Essential Supplies for these Slime Valentine Printable Resource
Opting for environmentally-friendly alternatives instead of creating individual worksheets for each class offers not only cost savings but also effective time management.
- Inkjet Printer
- Inkjet Cartridges
- Thermal Laminator
- Laminating Sheets
- Scissors
- Pencils
- Dry Erase Markers
- Cardstock Paper
- Printer Paper
- Crayons
Valentine Classroom Decorations
Add some Valentine’s Day festivities and flair to your classroom with these classroom decorations for Valentine’s Day!
Valentine’s Day Door Decorating Kit
Tissue Paper Classroom Valentine’s Door Decorations
Valentine’s Day Classroom Window Clings
Valentine Letters Classroom Door Decorations
Valentine’s Day Classroom Decorating Kit
Our Class is Sweet Cupcake Valentine’s Day Classroom Decorating Kit
Our Love for Learning Grows and Grows Classroom Decorations
A Class Full of Sweethearts Classroom Decorations for Valentine’s Day
Remember, preparation is key; check your supplies in advance to avoid any hiccups during the creative process. Now, armed with both cost-effective and readily available materials, you’re ready to dive into a mess of educational slime fun!
Fun Facts about Valentine’s Day for Kids
Did you know that the first recorded mention of slime dates back to the early 1700s?
Valentine’s Day also has its roots in ancient Rome! The holiday is believed to have originated from the Roman festival Lupercalia, which was celebrated in mid-February. During this festival, young men would draw the names of young women from a container, and they would then be paired together for the duration of the festival, often leading to marriages.
Over time, Lupercalia merged with Christian traditions, and by the Middle Ages, the idea of romantic love became associated with this day. So, the next time you celebrate Valentine’s Day, remember that its history is a fascinating blend of ancient customs and romantic traditions!
Fun Facts about Slime

Ever wondered what gives slime its squishy texture? It’s the magic of polymers! The long chains formed during the slime-making process create a unique, stretchy consistency that’s both fascinating and satisfying to touch.
Let’s not forget the sensory delight! The tactile experience of playing with slime enhances sensory learning, promoting spatial awareness and fine motor skills. Students don’t just create; they engage in a sensory exploration that makes STEM concepts more tangible and memorable.
STEM Extensions for Slime Valentine Printable Ideas
Have students experiment with different food coloring or pigment additions to observe how it affects the color and appearance of their slime.
This extension introduces elements of chemistry, allowing students to understand the science behind color changes in materials.
Have students measure and record the properties of their slime, such as stretchiness, bounciness, and stickiness.
Then, facilitate discussions on how different ingredient quantities or types impact these properties, promoting critical thinking and data analysis skills.
Transform the classroom into a slime engineering lab! Task students with creating a slime that meets specific criteria, such as being stretchy, moldable, and bouncy.
This extension adds an engineering component, prompting students to think critically about the design and functionality of their slime.
Implement interactive science journals where students document their slime-making process, observations, and reflections.
Explore the states of matter by discussing how slime transitions between solid and liquid states.
This extension facilitates discussions about the properties of solids and liquids, introducing scientific concepts in a hands-on and memorable way.
Explore the impact of temperature on slime properties. Have students make slime in varying temperature conditions and observe how it affects its consistency and behavior. This extension introduces discussions on heat energy and its influence on the physical properties of materials.
Investigate the physics of slime by exploring its behavior under different forces. Students can observe how slime reacts to stretching, squeezing, and dropping, introducing concepts of elasticity, viscosity, and force.
Classroom Valentines from Teachers to Kids
Your students will love any of these creative classroom valentines for kids from their teacher!
Printable Tea Pun Valentines that Kids Will Love
Zoo You Want to Be My Valentine Zoo Printable Valentines
Army Men Printable Valentines for Kids
Printable STEM Valentines for Kids
Ingenious School Valentines Ideas For Classmates
Magic Erupting Color Reveal Science Valentines for Kids
Printable Punny Chemistry Valentines for Kids
Printable LEGO Valentines for Aspiring Engineers!
Invisible Ink Classroom Valentines
Classroom Valentine Food Building Valentines
Parachute Classroom Valentines
Classroom Valentines Erupting Volcano Science
Classroom STEM Robot Building Kit
Classroom Fuse Bead Valentines
Paper Plane Classroom Valentines
Flower Building Classroom Valentines
Valentines Day Appliance Building Block Valentines
Animal Building Classroom Valentines
More Valentine Slime Printable Fun!
Here are some more fun valentine activities for kids!
- Zoo You Want to Be My Valentine Zoo Printable Valentines
- Printable LEGO Valentines for Aspiring Engineers!
- How to Make Glitter Slime That Sparkles and Shines
- 12 Valentine’s Day STEM Activities
15 Slime Valentine Printables for the Classroom
Use these Valentine's Day slime printables to round out your STEM and STEAM activities during February. Embrace the controlled chaos of the science of slime and bring festive flair into your science lab!
Dive into the ooey-gooey world of love with our 14 Creative Valentine's Day Slime Recipes Kids Love! Explore a delightful collection of vibrant and heart-themed slime creations, adding a touch of fun and creativity to your Valentine's Day celebrations. From glittering Cupid's arrows to charming heart-filled concoctions, these recipes promise to engage young hearts in a mess of festive, hands-on joy!
Unleash a burst of adorable creativity with our Super Cute Slime Valentine Printables! These delightful printables add a charming twist to the slime-making experience, featuring whimsical designs and love-infused elements. Perfect for Valentine's Day festivities, these printables make crafting slime an enchanting and heartwarming affair for kids of all ages. Let the love-filled fun begin with these super cute additions to your slime-making adventures!
Get ready for a whimsical and googly-eyed Valentine's Day celebration with our Googly-eyed Slime Valentine Card Free Printable! These fun and free printables add a playful touch to your valentine exchanges. Simply print, attach a slime pouch, and watch the eyes of your little valentines light up with joy. It's a delightful, interactive way to spread love and laughter on this special day!
Experience the joy of giving with our Slime-tastic Valentines with Free Printables! These delightful creations combine the charm of Valentine's Day with the fun of crafting slime. Simply print the free, adorable designs, add a touch of gooey magic, and share the love with friends and family. It's a whimsical way to spread smiles and gooey happiness this Valentine's season!
Discover the enchantment of Love Blobs: Slime Valentines with Free Printables! Embrace the perfect blend of creativity and affection as you share these charming, gooey valentines with your loved ones. Each printable comes with a dash of whimsy, ready to be paired with a delightful slime surprise. It's a heartwarming way to express love and joy on Valentine's Day, one gooey blob at a time!
Spread smiles and sticky sweetness with Gooey Greetings: Valentines Slime with Free Printables! These whimsical printables add an extra dash of fun to your Valentine's Day celebrations. Pair them with a gooey surprise, and watch as your loved ones delight in the joy of playful greetings and slime-tastic surprises. It's a gooey way to send heartfelt messages and make this Valentine's Day truly unforgettable!
Experience the magic of love and laughter with Squishy Smiles: Valentines Slime with Free Printables! These adorable printables bring an extra dose of joy to your Valentine's Day celebrations. Share the love by pairing them with squishy, delightful slime creations that are sure to bring smiles to the faces of your special valentines. It's a squishy, sweet way to spread happiness and create lasting memories!
Get ready to share the love with Sticky Love Notes: Slime Valentines with Printables! These charming notes add a touch of sweetness to your Valentine's Day greetings. Combine them with a gooey surprise of homemade slime, and watch as your heartfelt messages stick in the hearts of your loved ones. It's a delightful and interactive way to express affection, creating lasting memories with each sticky, love-filled note!
Spread joy and gooey happiness with Sticky Smiles: Slime Valentines Printables! These charming printables add an extra layer of delight to your Valentine's Day celebrations. Pair them with homemade slime for a memorable and interactive experience that will leave everyone smiling. Share the love with a touch of stickiness and a lot of heartfelt joy!
Elevate your Valentine's Day celebrations with Print and Stick: Stickered Slime Valentines Delight! These charming printables and free stickers add an extra layer of fun to the traditional valentine exchange. Just print, add a gooey surprise, and watch the joy unfold as recipients delight in the perfect combination of heartfelt messages and interactive slime-tastic fun!
Unleash the magic of love with our 3-Ingredient Sparkly Valenslime with Free Printables! This simple and delightful recipe combines sparkles, creativity, and a touch of gooey magic. Add our free printables to the mix, and you've got a dazzling Valentine's Day surprise that sparkles with joy and captures hearts with its simplicity and charm. Get ready for a glittering and gooey celebration of love!
Get ready for a playful twist this Valentine's Day with our You've been Slimed! Fun Valentines Slime Printables. Surprise your loved ones with a gooey, personalized touch that adds a dose of fun to traditional valentine exchanges. These printables turn ordinary messages into interactive and memorable moments, making it a slime-tastic celebration full of laughter and surprise for all!
Experience the fluffier side of love with our Fluffy Valentine's Day Slime Printables! Elevate your celebrations with this delightful combination of creativity and charm. These printables, paired with a fluffy slime surprise, bring an extra touch of joy to Valentine's Day, making it a heartwarming and squishy affair for all to enjoy!
Dive into a world of delight with Squishy Surprises: DIY Valentine Slime Recipes and Printables! Elevate your Valentine's Day celebrations with these easy-to-make and heart-themed slime creations. The added bonus of charming printables makes this crafting experience a delightful combination of fun, creativity, and love for kids, parties, and crafts. Get ready for a squishy adventure that brings joy to hearts and hands alike!
Discover the magic of Love in a Container: DIY Slime for Hearts and Crafts! Unleash your creativity with these delightful Valentine's Day slime recipes, perfectly crafted for heartwarming fun. From charming printables to hands-on crafting, this squishy adventure brings love and joy to every container, making it the perfect addition to your Valentine's Day celebrations, crafts, and gifts. Get ready to squeeze the love with this delightful DIY slime experience!
With these extensions for each slime valentine printable, educators can effortlessly bring joy to the classroom, fostering a positive learning atmosphere while reinforcing fundamental STEM concepts.
Teaching Resources for Valentine’s Day
Here are some fun STEM teaching resources for Valentine’s Day that you can use in the classroom.
Browse the entire category of Valentine’s Day classroom supplies here or grab some of my Valentine’s Day favorites from the list below.
Exploding Candy Lab Science Kit
Chemistreats Classroom Candy Science Kits
Lollipop Lab Candy Science Kit
Valentine Building Block Bears
LEGO Friends Flower and Chocolate Kit