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!

Use these STEM design challenges to foster creativity and critical thinking skills in young learners while introducing them to the engineering process.

Children will plan our their STEM design, reflect on the process of building their creation, and brainstorm ways they could make their design even better.

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

Challenge your science student to record a shadow over the course of a day and make the connection between shadows and the time of day.

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!

Looking for a worksheet to challenge your child's knowledge of science? This printable asks him to identify a solid, liquid and gas.

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!

Here's a fun way for kids to review their knowledge of earth science terms. Challenge your child to give a definition of each word as he finds it.

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.

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

Get this earth science worksheet that will challenge your child's knowledge of volcanoes and teach him some new vocabulary.

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.

Help your child learn about the nervous system and the digestive system with this fun worksheet, which will challenge his knowledge of physiology.

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.

Budding inventors can get a fun review of the simple machines with this word search.

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!