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

Do you think heat can affect a plant's growth rate?

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Science fair project that cultivates slime mold and monitors the stages of its development.

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Check out this fun science project to explore the relationship between solubility, drug absorption, and time required for a drug effect to become apparent.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Science fair project that uses distillation to convert salt water into fresh water.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Make pickled carrots at home! Here's a fun activity to get your child in the kitchen and make something special with no fuss or muss.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

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

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

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

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

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Learn how milk freezes into ice cream. Does the fat content affect how quickly the milk freezes? What is salt's role in the freezing process?

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.