This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

This experiment will explore the best way to create a perfect soft-boiled egg.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Determine whether the application of Febreeze will lower the bacterial count.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

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

Determine which metal has the highest rate of conductivity.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

In this science fair project, students examine how temperature affects sugar transport within a plant.

The objective of this experiment is to evaluate the effects of acid rain on plants.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.