Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project investigates which type of light bulbs are the best at producing flattering photographs in both flash and non-flash conditions.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

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.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

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.

This science project establishes a "breakability index" - basically to assess how much damage is done in different circumstances.

This activity is a fun challenge for students who have just started learning to program educational robots.

This science fair project idea outlines the principles and techniques behind paper batteries.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

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.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

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.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.