Preschool - 4th Grade Science Resources : Page 18

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

The goal of this project is to create an exciting topographical map out of dough.

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

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Make a spring collage with your child to get them outside and those creative juices flowing!

Here's a simple science activity that will help your child better understand how wells bring us water.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project idea determines what household items are good conductors of electricity.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.