This science fair project idea investigates the hardness property of minerals.

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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.