Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

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.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This science fair project idea experiments with unusual ideas in fashion design and the development of eco-friendly fashion products.

In this project, students will learn what and how foods are grown in rain forests and if there are sustainable methods that can be used.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This science project idea determines how people recognize words while reading.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.