This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

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.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

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

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

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.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

Examine the connection between temperature and chemiluminescence.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Determine which metal has the highest rate of conductivity.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?