Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Help your child learn about animal classification with this fun and delicious activity.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Make edible amber fossils with your second grader to explore the fascinating world of science!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.