4th - 7th Grade Science Projects Activities : Page 9

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This science fair project idea explores which fruit molds the fastest.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This science fair project idea determines the probability of a coin landing heads or tails.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Find out whether matte or shiny nail polish lasts longer.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This project examines what types of objects burn and which burn faster and cleaner.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project investigates why the number of visible stars changes from place to place.