Do you think heat can affect a plant's growth rate?

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

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

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

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

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Introduce the idea of measuring weight to your preschooler or kindergartener by making a fun and easy-to-use bungee scale to weigh household objects.

This project examines how temperature affects the volume of gas in balloons.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

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?

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

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

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!

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.