Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

I scream, you scream, we all scream for homemade spearmint ice cream!

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

The objective of this science project is to determine the length of time for different seeds to germinate.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Make a backbone model to explore human anatomy and life science.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This science fair project idea demonstrates that plants give off water.

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

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

This project examines whether people's taste perception is influenced by what they see.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

In this project children practice the scientific method while playing with puffy paint.

The project investigates how water and movement affects erosion.

This science fair project idea investigates which objects float and sink in honey, water, and oil.