Showing Results for four digit : Page 6

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Take a stab at 18th century American cooking with your kids by following this tasty recipe from one of the first colonial cookbooks.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Want to play publisher for a day? Become a book jacket illustrator for this creative and fun project.

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

Your child can personalize these customizable cookies for friends and family as he makes his own fortune cookies from this fortune cookie recipe.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Make physical activity fun with this 4th-5th grade fitness game that's a twist on classic Tic-Tac-Toe.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Have you ever taken a bag of snacks with you on a road trip? If you lived in the 19th century, you might have taken hardtack instead.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Create a yarn doll out of a few toothpicks and colorful string with this Guatemalan craft.

Give your child some simple craft supplies and see what happens in this heartwarming and artistic contribution to the Seder table this year.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this activity, your child will learn how to make a drop spindle with a handy vegetable.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Does your young writer need more details to beef up her writing? Why not make it fun by mixing in some creative artwork, and take her writing to the next level.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Create a compass rose from sidewalk chalk in this summer geography project!