Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

If your Father's Day festivities include meeting up with extended family, why not put all the dads to the test with a chili cook-off?

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Can cells be frozen? This science fair project provides information to answer this question.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

The Kindergarten Personal Record Book makes measurement fun & active! Kids record their vital statistics from head to toe using unusual tools like paper clips.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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 teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.