Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Help your child learn about animal classification with this fun and delicious activity.

Learn whether writing things down really makes things easier to remember.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

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

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Learn with makes water molecules work with this fun and easy science activity!

Learn all about balance and motion as your child designs a corn maze!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Make sourdough bread...and learn some colonial history and modern science in the process!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

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

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

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.