Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

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.

Practice measurement using centimeters in this fun math race designed for your second grade student!

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

This experiment will examine and precisely measure the amount of sugar in various sodas.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Get your child excited about measuring with this fun and easy household measurements activity.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Your second grader will get great measuring practice as she helps you make this rich and creamy green dip!

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

This craft activity encourages kindergarteners to explore measuring. Get ready to measure the fun that your child will have creating his own ruler!

Watch your fifth grader hone his basic kitchen and measuring skills as he helps you whip up a batch of this soothing, savory soup.

Building a rocket ship is a great way for kids to learn about measuring and construction. It'll fuel their creative side too!

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Your child will love these Easter eggs with a soft touch. There are lots of skills at work here, including fine motor, measuring, and patterning!

Your kid will practice measuring, cutting and basic stitches by recycling an old t-shirt into a a cute skirt using simple sewing techniques.

Snowman soup is an extra special kind of hot chocolate. Make some snowman soup with your child, and let him practice measuring and mixing this holiday season.

Measuring and mixing is half the fun with these Irish oatmeal cookies, and it's a great way to introduce your second grader to cooking and kitchen tools.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

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.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

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

This gluten free recipe for coconut rice is a tasty way to help any picky eater expand her culinary horizons. She'll get great measuring practice along the way!

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

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