What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

In this activity, your child will be challenged to make a tower using paper cups.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this activity your child will create their very own marble maze!

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This science fair project examines how seeds hitchhike on animals and clothing.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.