In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Figure out which fruit has the most vitamin C (ascorbic acid) in this fun science project!

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this cool science experiment, test and compare the adhesive holding strength of homemade casein glue versus commercial glue.

This science fair project idea experiments with spinning color wheels and optical illusions.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

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

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!