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Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Try a 100th Day of School Scavenger Hunt with your preschooler, and send her on the search for objects of different colors!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This project examines how temperature affects the volume of gas in balloons.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

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

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This project compares different liquids and the freezing, melting and boiling points of liquids.

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

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Determine which metal has the highest rate of conductivity.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

This project concerns activity happening millions of miles away, on the sun.

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

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

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

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

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