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This experiment was performed to study the effect an energy drink has on the heartbeat rates of Daphnia. The experiment was done by exposing Daphnia to different concentrations of the Red Bull drink, mixed with water, and counting their heartbeats per minute.
Difficulty: Middle school
Cooking is critical for our diets, as it helps us digest certain foods that may not be as gentle on our stomachs (easily digestible) in their raw form. Although proponents of healthy diets will often promote raw fruits and vegetables as being the healthiest, this may not always be the case. For this science fair project, you will determine whether cooking depletes or in fact concentrates the amoun
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Convection is the phenomena characterized by the movement of molecules in gases and liquids. Heat causes molecules to be active, while cooler temperatures result in less activity. Convection can be observed in volcanoes, in the ocean, in cooking, in heating your home and even in decorative lava lamps. In this science fair project you will observe how the addition of salt to water effects convecti
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As environmental science students, we need to learn the importance of minimizing the impact of our actions on the world around us. Did you know that when miners drill into or strip the earth to obtain ore or fossil fuels, they can cause great environmental harm? In this science project, we will be operating our own "mine" to understand how mining can damage our environment . We will be mining "
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Seashells are the hard, outer coverings that mollusks produce, in order to protect themselves from predators; it also serves as a form of shelter form the elements. Seashells come in a wide range of shapes, sizes, and colors; however, they all are created from the same material - calcium carbonate. In this science fair project, you will investigate how seashells, and other objects containing calci
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Fast food is very popular as evident by the number of fast food chains in our neighborhoods. But does the convenience that fast food offer come at a cost? In this science project, you will be conducting a survey to understand "fast food habits", and you will also examine the nutritional vale of these meals.
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While most of us do not give much thought to water quality, serious aquarists are keenly aware of the importance of maintaining water quality. But while aquarists are careful to maintain ph, nitrates, and ammonia levels, many do not give the same attention to the level of dissolved oxygen (DO). An understanding of the relationship between temperature and DO is the subject of this science project.
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The salinity of the world's seas and oceans varies due to a number for factors including temperature and water depth. In this science fair project, you will explore how salinity is affected by temperature, to understand why salinity varies throughout the world's oceans.
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If an electrical current is passed through water between electrodes (the positive and minus poles of a battery), the water is split into its two parts: oxygen and hydrogen. This process is called electrolysis and is used in industry in many ways, such as making metals like aluminum. If one of the electrodes is a metal, it will become covered or plated with any metal in the solution.
Difficulty: Middle school
The purpose of this experiment was to determine whether the efficiency of a carbon filter decreases faster at higher concentrations of chlorine.
Difficulty: High school
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