What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Science fair project that determines whether mass and weight are the same or different.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea determines which method of hand cleansing is the most effective.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

This project compares the strength of one, two, and three-ply toilet paper.

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