These STEM design challenge cards ask learners to build something new for a specific reason or purpose and are a great way to foster creative thinking.

Break down a word to create new ones with this fun worksheet for second through fifth graders!

Challenge your child' memory skills with this colorful worksheet. This fun printable will help with memorization skills and spatial awareness.

Got a gardening guru on your hands? Give them a fun challenge with this fill-in-the-blanks quiz about the parts of a seed!

Our ecosystems need a protector; is your third grader up to the challenge? Identify harmful pollutants in a science worksheet that doubles as a coloring page.

Help your child practice his science skills with this science worksheet, which will challenge his knowledge of reptiles and ask him to solve a puzzle!

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

Crossword puzzles are a great way to make life science learning fun. This one's all about natural selection, and it's sure to give your child a fun challenge.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of plants.

Looking for a worksheet that will give your kid help with his life-science skills? This printable will challenge his knowledge of birds.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of the metric system.

Get lost with a dizzying maze that challenges you to help the lightning bolt reach the ground!

Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

Searching for a worksheet to help your fourth grader with science? This printable will help him with geology.

Confused about continents? Get better acquainted with all the continents on earth with this word scramble.

Looking for a worksheet to help your child with science? This printable will help them with their biology vocabulary.

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

How fast does sound travel? Help your child figure out the physics of sound waves with this informative worksheet.

Learn Saturn facts with this science printable, like that it is one of the large gas planets in our solar system!

Step up to the controls, Dr. Frankenstein -- the world is in need of a new creature!

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

Searching for a worksheet that will help your child practice their reading skills? This printable uses life science as a background to help young readers.

Fill in the blanks from the words listed in the word bank, then keep this sheet handy to prepare for tests and quizzes on life science and photosythesis.

This multi-page worksheet provides an opportunity for kids to practice both their understanding of food webs and their reading comprension skills.

From glaciers to mountains to wetlands, our planet has lots of different landforms. Help your child learn all about them with this fun earth science crossword.

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

Not your typical crossword, this puzzle will have your child learning to recognize the shapes of the continents. Great for map skills and vocabulary!