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.

These math cards are printable quiz cards to challenge your first grader's overall knowledge.

Teach your 1st grader about bees with this fun fact worksheet. Play Sudoku to challenge her logic puzzle skills!

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

Challenge your child with a basic life science question, and she'll circle the objects that she thinks helps flowers grow.

Can your child tell what will be attracted by a magnet? Challenge him to think about why magnets attract certain objects.

Looking for a collection of questions to quiz your kid's overall knowledge? This printable will challenge your kid's overall knowledge.

Do you know where your food comes from? Challenge your child's knowledge of seeds and fruit with this fun match up activity.

Challenge your first grader to put these plant life cycle stages in the correct order with this fun beginning biology sheet.

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.

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!

Does your little scientist know the water cycle? Challenge her with this cut and paste activity where she'll label each part of this water cycle!

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.

Searching for a worksheet that will give your kid help with their science? This printable will challenge her knowledge of birds.

Looking for quiz questions to test your first grader's general knowledge? This printable will challenge your kid's overall knowledge.

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.