Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

This science fair project idea determines the most effective method of preserving food.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Here's a simple science activity that will help your child better understand how wells bring us water.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

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 science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

Check out this cool and free middle school science fair project idea on how to make a solar oven.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Explore the effect of wind speed on the burning rate of a candle.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

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