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.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

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.

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

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!

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

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.

Determine how good we are at direct and indirect observation.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

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.