This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Our baked French toast recipe is particularly tasty on a chilly winter morning. Make our baked French toast recipe with your child to teach them about measuring.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Use familiar household items and decorations to turn estimation into a fun game!

Enjoy the season of crunchy leaves and crisp harvest scents with a tall glass of pumpkin juice.

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Thanksgiving is a time to be with loved ones. It's also a time to chow down! Need help in the kitchen? There's no better helper than an avid fourth grader.

Enjoy some autumn fun, and develop measurement skills with this sweet-smelling fall art project.

Help your child learn healthy eating habits by transforming every kid's favorite food into a healthy, flavorful after-school snack.

Making your own glass cleaner is easy, effective and inexpensive!

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Take play-dough to the next level with this homemade recipe, adding surprising ingredients perfect for summer!

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea explores substances that cause a bubble to last longer.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Encourage your child to eat nutritiously by having them build this delicious summer fruit cone!

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Learn to make homemade ketchup with your child and experiment with spices and flavors!

Create a special Father’s Day surprise by planning and mapping a hike around the neighborhood!