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

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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

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.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

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.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Science fair project that uses distillation to convert salt water into fresh water.

This science fair project idea investigates food preference of birds.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

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

This Christmas plate features your child's favorite holiday things through drawings. Make a Christmas plate with your child this holiday season.

This science fair project idea discovers the effect of (high) heat on animal cells.

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

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.