4th Grade Science Projects Resources : Page 6

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

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

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

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

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This science fair project idea explores whether white light can be separated into different colors.

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

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.