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For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

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 project examines the affect of temperature on viscosity and surface tension of different liquids.

In this hands-on craft project, kids will make an analog clock of their own, and then use it to learn how to tell time.

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

This footwear-focused activity introduces fractions as part of a set and it's the perfect way to generate excitement about fraction concepts.

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

This activity with add some fun and education to long car trips. Perfect for family vacations!

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!

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This flannel board will give your child hands-on practice with math, but in a fun format, full of ladybugs.

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

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This science fair project idea measures physical dexterity as a function of temperature.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.