This science fair project teaches students about wilting and browning of salad greens.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Here's a science activity to help your child investigate how seeds are designed to travel.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.