This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

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

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science fair project idea determines if the color of light affects the growth of plants.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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