This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

This science fair project idea investigates how color affects temperature.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.