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

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science fair project idea explores the different properties of matter.

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair project idea explores the different properties & interactions of sugar molecules.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Use pepper and soap to discover some fun facts about the properties of water.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

This project compares the strength of one, two, and three-ply toilet paper.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

This science fair project idea investigates the hardness property of minerals.

This science fair project idea provides evidence that air is everywhere and takes up space.

Do different types of oil mix or stack? Find out in this science fair project idea!