When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Find out whether putting something on top of a plant will inhibit its growth.

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

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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

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

This science fair project idea investigates whether air has mass and weight.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

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

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.