1st - 4th Grade Science Projects Activities : Page 4

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

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

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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

How powerful is the reaction between baking soda and vinegar? Find out here!

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.