For science lovers and chemistry geeks alike, here are some sweet science valentines to print for friends and family!

Print out these sports valentines cards, great for kids who just aren't into the fluff and frill of Valentine's Day.

These cute animal valentines will make Valentine's Day a breeze. Just print them and help your child cut them out.

Add a spooky twist to your Valentine's Day with vampire valentines! Your little monsters will love giving these out to classmates and friends.

These valentines will really quack you up! Sweet and old-fashioned, yet so easy; just print and cut into six.

Help your child find a heartfelt way to say happy Valentine's Day with these fold-and-color valentines.

Happy Valentine's Day, from your favorite Brainzy characters!

These sweet cards will make Valentine's Day a breeze this year. Just have your child cut them out and fill in the name of her friends, and you're ready to go!

In this Valentine's Day math worksheet, learners will tally, graph, and interpret data about a classroom gift exchange.

These Valentine's Day cards will be the oddest and most unique cards your sweetie ever got!

These printable Valentine's Day cards are perfect for a kid who's in love with animals and science!

Help your child find a heartfelt way to say happy Valentine's Day with these color-and-fold cards.

Happy Valentine's Day! These sweet little cards will make the day a bit easier. Just print and cut, and you're ready to go.

Help your kid tell a friend (or a secret crush) 'Happy Valentine's Day' with this printable card. Print and color this heart-candy-themed Valentine's Day card.

Help your child say "Happy Valentine's Day" in a heartfelt way with these color-and-fold cards.

Give your child a heartfelt way to say happy Valentine's Day with these color-and-fold cards.

Kids can wish friends and family a 'Happy Valentine's Day' with this printable Valentine's Day card. This Valentine's Day card has a sweet doily on the front.

Unleash your inner science geek with these sweet science valentines! These cards are perfect for giving out to teachers and classmates on Valentine's Day.

Give your little one a fun project this Valentine's Day. They can color and decorate valentines for all their friends!

Get into the spirit of science this Valentine's Day with some adorable science valentines! These cards are great for handing out to friends and classmates.

Print these out for your child you'll have instant Valentine's Day cards! Then with your help, she can cut them out and give them to all her friends.

Late on buying valentines this year? This colorful card will help save time while spreading lovey greetings to your child's friends and family!

Help your little love bug make a special valentine for a friend. This printable Valentine's Day card features a black-and-white cover and a heartfelt message.

A candy valentine is always a nice gift on Valentine's Day. Make a candy valentine out of lollipops with this candy valentine worksheet.

Save a spot for a friend with these printable Valentine's Day bookmarks, a sweet addition to a traditional Valentine.

Read page 10 of The Nightingale, by Hans Christian Andersen, and find out what will happen to the Emperor!

Flowers and candy make the perfect Valentine's Day gift! Little love birds can cut out these flowers and add a lollipop to make a sweet Valentine's treat.

The origin of Valentine's Day is a mystery made up of legends and history. Learn about the possible origin of Valentine's Day in this Venn diagram worksheet.