I. Title – The Effect of Volume on Heart Rate II. Problem/Research question – Your heart rate can be affected and changed using a variety of things. One thing that can cause your heart rate to change is the volume of audio. How does the volume of an audio track affect your heart rate? If the volume of an audio track is increased‚ the number of hearts beats per minute will increase as well. III. Variables – ❖ Independent Variable ➢ The volume of the audio track ❖ Dependent
Premium Heart rate Nervous system
Internal Assessment: Rate of Evaporation Ann George Mr. Frias/4th Period Wheeler High School Research Question How will changing the molar mass of alcohol affect the rate of evaporation‚ represented by the change in temperature over time‚ measured using a temperature probe? Research/Abstract Alcohol is an organic compound in which the hydroxyl functional group‚ OH‚ is bound to a carbon atom. Its carbon center should be saturated; it should have single bonds to three other atoms. The different types
Premium Evaporation Alcohol Water
Have you ever seen dry ice‚ well let me show you. To measure the evaporation rate it is important to know that a half pound of dry ice will be placed outside and timed. The same thing will happen but in a cool room. If the dry ice is -109.3°F then it will evaporate in any condition warmer. The hypotheses is that the dry ice in the outside will evaporation faster. It is important to understand this because if you are trying to store dry ice and you put it in a freezer it will still evaporate. So in
Premium Water Temperature Melting point
Introduction Water is known as a vital component to sustain life. When one is confronted with the fact that water is considered a renewable resource in the short term but only 3% is usable (N.Gray)‚ precautions must be taken to ensure the conservation of water. The agriculture industry consumes approximately 70% of the planet’s usable water globally. At large scale the water footprint arguably cannot be reduced‚ raising the question on whether our water is being used to its full potential. Water can be
Premium Water Water resources Water supply
My hypothesis is that if I turn the water to vapor then I will be able to determine the ratio and the amount of moles of the salt and water. This is because by using evaporation I will be able to learn the mass of the salt and of the water needed for n=m/MM which states the amount of moles can be found by dividing mass of the moles by the molar mass. Experiment 1 First I took a crucible‚ a balance‚ and a Bunsen burner and placed them onto the workbench. Then I measured the mass of the empty crucible
Premium Water Chemistry Chemical reaction
Chemistry Project on Evaporation of Liquid Acknowledgement I would like to show my gratitude to my Chemistry Teachers Ms Seema More without whose support and encouragement this project could never have have taken the present shape . I would also like to thank my lab incharge Mr. Kakde For helping Me out During The Practical Part Of This Project. Aim Acknowledgment I am are greatly thankful for the cooperation and help from the Community Science Center (CSC) authorities and the Chemistry lab
Premium Chemistry Water Temperature
CNBC Investopedia. (2011). Retrieved from http://www.investopedia.com/terms/c/currentratio.asp Investopedia Investopedia. (2012). Retrieved from http://www.investopedia.com/terms/r/returnonequity.asp#axzz28ZHmfXpq Investopedia. (2012). Price-earnings ratio. Retrieved from http://www.investopedia.com/terms/p/price-earningsratio.asp Investopedia Investopedia. (2012) Retrieved from http://www.investopedia.com/terms/e/earnings-power.asp#axzz28ZHmfXpq Investopedia. (2012) Retrieved from http://www.investopedia
Premium Financial ratios Financial ratio Balance sheet
HOW THE SHAPE OF THE BODY AFFECTS THE TEMPERATURE LOSS Introduction Small organisms have a surface area that is large enough‚ compared with their volume. As a results they lose heat rapidly when the environmental temperature is lower than their body temperature. However when the animal gets bigger their volume increases at a larger rate than their surface area‚ so the surface to volume ratio decreases. Adaptations help organisms to survive in their habitats. Adaptations can be structural‚ behavioral
Premium Temperature Thermodynamics Desert
Introduction to Measurement Mass‚ Length‚ and Volume Introduction Much of what we know about the physical world has been obtained from measurements made in the laboratory. Skill is required to design experiments so that careful measurements can be made. Skill is also needed to use lab equipment correctly so that errors can be minimized. At the same time‚ it is important to understand the limitations of scientific measurements. Concepts Measurement Significant figures Accuracy
Free Measurement
increases the chance that children and adolescents who attend school have a tendency to fall asleep or become sleepy while at school. It has been found that ‘chronic sleep loss affects many aspects of adolescents lives and that there are repercussions of unhealthy sleep habit.’ (Owens‚ J‚ 2013). Chronic sleep loss is very serious and affects school children because the pupils are too tired to achieve high academic due to low concentration levels‚ and also raises the risk of naughtiness. Side effects of
Premium Sleep Sleep deprivation High school