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

This science fair project idea explores the different properties of matter.

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

In this science fair project, students create their own miniature salt flats at home.

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

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science fair project idea determines the most effective method of preserving food.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

Using a toy race car kids create a visual model of the Doppler Effect.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This science fair project idea produces varying pitches of sound.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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