Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

This project tests the hypothesis that dark colors absorb more heat than light colors.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

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.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

Help your preschooler grasp the concept of ordering and sequence while teaching him valuable vocabulary with simple activities around the house.

If your Father's Day festivities include meeting up with extended family, why not put all the dads to the test with a chili cook-off?

Make pickled carrots at home! Here's a fun activity to get your child in the kitchen and make something special with no fuss or muss.

Determine which metal has the highest rate of conductivity.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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