This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

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

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

This science fair project examines the different composition of fungi and plants.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

In this experiment you will use plastic and magnets to test your local soil composition.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

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

Using a toy race car kids create a visual model of the Doppler Effect.

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.