Showing Results for comparing-three-digit--old

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!

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

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

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

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

Encourage your child to jump into sea creature science by creating her own colorful "socktopus" sculpture.

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.

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.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

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

This project examines whether more expensive golf balls translate into better results on the golf course.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

Determine which video game elevates the heart rate best and burns the most calories.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

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

Make this easy composting dessert and then enjoy the yummy results!