Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

In this experiment we will be determining whether birds prefer certain colors of seed.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Find out whether putting something on top of a plant will inhibit its growth.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea determines if the color of light affects the growth of plants.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

In this project students experiment with making music using only glasses of water.

This simple experiment serves as an introduction to the greenhouse effect.