4th Grade Engineering and Science Inquiry Resources : Page 7

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.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

In this project students experiment with making music using only glasses of water.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

This science fair project idea produces sounds by creating vibrations using different objects.

This science project teaches students to classify different shapes of leaves.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Find out which kind of bubble wrap fares best when put in impact.

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This science experiment tests if dog saliva can really help heal wounds.

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.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.