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This science fair project idea identifies trees using a dichotomous key.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Construct and experiment with a periscope using reflected light rays to gather an image.

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this design challenge, your child will make a bottle rocket using typical household items.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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

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!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.