In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

This project explores whether music affects the growth and health of plants.

This project compares different liquids and the freezing, melting and boiling points of liquids.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

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

Explore the wattage of microwaves in relevance to cooking time.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

This science fair project idea deals with the qualities of shade on a sunny day.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Determine which metal has the highest rate of conductivity.

Science fair project that cultivates slime mold and monitors the stages of its development.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

Test whether cutting up meats will make it cook faster than just cooking it whole.