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

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Ignite your child's creativity by having them design their own clay version of an alebrije, a traditional fanciful creature like the ones made in Oaxaca, Mexico.

This science fair project idea examines which type of insulation holds in the most heat.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Explore the world from your own home by conducting research about other cultures with your 4th grade child.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This decimal game is a great way to help your child get familiar with how decimal values work.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Design and throw a boomerang in this exciting craft project!

This project investigates the affect of storage temperature on microwave popcorn.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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.

Movement activities are crucial for developing minds and bodies. Animal movements, in particular, encourage children to think about their own body mechanics in comparison with animals they may have observed.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science experiment tests if dog saliva can really help heal wounds.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Your fourth grader will love practicing his math facts with this fun computation game.

In this experiment we will be determining whether birds prefer certain colors of seed.