The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

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.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

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

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

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.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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.

This project will examine the relationship between materials and air resistance.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

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

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.