Search 4th Grade Science Projects : Page 9

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

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

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This project investigates the affect of storage temperature on microwave popcorn.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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.

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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

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.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

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

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

In this science fair project, students make their own rain gauge to measure rainfall.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.