Search 4th Grade Science Projects : Page 4

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.

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

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

This science fair project idea examines whether boys and girls differ in reflexes.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

In this science fair project you will make a model of a cell membrane using very simple material.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.