Water Potential Investigation Aim: To determine the water potential of potato cells and sweet potato cells during the process of osmosis. (Only water molecules can pass through by the process of osmosis) Osmosis is the movement of water particles from a low region of water concentration to a high region of water concentration through a partially permeable membrane. A partially permeable membrane is known as the barrier which allows certain substances to move across, such as water molecules
demonstrate my understanding of Elastic potential energy. And the projectile concepts of the effect of changing potential into kinetic energy and for me to demonstrate my ability to apply elastic potential energy to a scientific investigation. What am I going to do and what will it prove: I am going to use an elastic band and release it from different tensions I will then measure how far it ‘flies’. Doing this will tell me the relationship between force, potential energy and kinetic energy. My
essay will explore the many different issues that a security manager must consider when hiring security personal pertaining to the information requested in the form of background investigations and the legal ramifications of what information can be obtained and what information if any is off limits to the investigation of an applicant. As a manager of a security firm one would want to be cautious as to who should be hired and for what position that applicant should be able to fill. With this being
When the water potential of the surrounding solution is less negative than that of the potato cells, water enters the cells’ vacuoles by osmosis causing the turgor of the cells to increase. Method 1. Using a cork borer remove a core of potato. 2. Use a white tile to push the cork borer into the potato. 3. Using a scalpel or razor blade cut the skin off the ends of the potato cores. 4. Cut the potato cores into 30 disks 5mm thick, using a ruler to measure the thickness. 5. Place
HP: Potentials and Limitations Name School Hewlett- Packard has long been regarded as one of the companies at the forefront of the campaign for sustainable industry and responsible waste management. With the ICT sector (information and communication technologies) contributing to about 2% of the world's carbon footprints, Hewlett-Packard fully transformed its organizational structure to integrate concepts of sustainability. For instance, responsible water consumption, maximization of conference
Determining the Water Potential of Potato Tuber Cells I will carry out an investigation that will enable me to determine the water potential of the tested potato tuber cells. Water Potential is the measurement of the tendency of water molecules to move from one place to another. (Ridge 1991) Water always moves down the water potential gradient, therefore moving from an area of higher water potential to an area of lower water potential. Equilibrium is reached when the water potential in one region
equipment needed for this investigation. § Set up the equipment as shown in the diagram. § Pour water from the kettle into the beaker until it is half full and put a thermometer in the beaker to measure the water's temperature. § Put the squash ball in the beaker for a set amount of time and take down how warm the water is by looking at the temperature reading. § Decide on a drop height for the squash ball. Use this drop height throughout the whole investigation. § Write down how high
The Effect of the Height of a Crater on Its Diameter Introduction ============ A crater is formed when a meteor for outer space strikes the lunar surface. The force of the impact obliterates the meteorite and displaces part of the moons surface, pushing the edges surrounding rock. At the same time, more displaced material shoots outward from the crater. I will simulate this in the classroom by using a margarine tub full of sand and using different heights to represent the distance
Unwanted Pregnancies = Abused Children Who can resist the invitation to abort an unwanted pregnancy for the child's sake primarily, and not just the "health" of the mother? Let's examine this frequently voiced contention: that aborting unwanted pregnancies is beneficial because they would later lead to abused children. And everyone, of course, is opposed to the maltreatment of kids. The landmark study on this was done at the University of Southern California. Professor Edward Lenoski
did he conduct his investigations? Ø Investigations were originally intended to last 3 years, but took 17 years to complete. Booth was central in the investigation but had at any one time up to 35 people working with him. While Booth controlled their work, he expected them to contribute ideas and to take responsibility for writing specific sections of the final work. Ø Examples server to show how intermeshed and yet wide-ranging Booth’s investigators and investigations became. Ø Jesse
themes in his Topics-sameness and difference, part and whole, better than, etc. These are tools for all dialectical investigations into being and action (viz. Top. I.11 104b2) for they secure definitions and get at essences of things or their aspects. Reflecting structures of being and good, they allow Aristotle to arrive at objective reality and good. Being tools for all investigations into being and values, we are not free to reject them, nor can we have any discourse or claim to reality or good.
that abused children become abusive parents and concluded that the case for transmission across generations has been overstated. Looking back on past investigations gives support for intergenerational transmission, almost without exception. These investigations identify maltreating parents and then interview them about their own childhood. Investigations done with and without control groups indicate abusing parents report high rates of having been abused physically during childhood (Steele and Pollock
wasn't just because of the quality and origin of the author and the setting , it was because of the infuriating character of Cheif Detective Inspector Jack Laidlaw , he is the main character and the most memorable one. He is the spearhead of the investigations into the murder of a teenage girl , he has to do this in a city of hard men, villains and fat cat businessmen. To look more deeper into the mysterious character of Laidlaw and his personality , we need to look at his interests and prejudices
Meno's question. Although he is not particularly keen on answering whether virtue can be taught without first having a complete understanding of what virtue is, he attempts to please Meno by solving this in the way that geometers conduct their investigations, through a hypothesis. Socrates states that if indeed virtue can be taught then one thing will happen, and if it cannot a different thing will happen. In the end of the play, the conclusion is reached that virtue is a gift from the gods. Now the
The Importance of Disaster Investigations for Systems Engineers - What is a Systems Engineer? In the modern industry engineering systems are becoming more complex by the day. Therefore a need for elite engineers i.e. the Systems Engineer, capable of applying a wide range of engineering disciplines to a variety of tasks from product design and development from requirements analysis to simulation to manufacturing and marketing etc… is essential. Such engineers work within a team at
Investigating the Relationship Between the Number or Letters in a Word and the Number of Arrangements of the Letters There Are Introduction The aim of these investigations is to explore and find a relationship between the number of letters in a word and the number of arrangements of the letters there are. 1. LUCY For these investigations, I have decided to use numbers instead of letters because it will be easier to work out all of the arrangements if I can do them in numerical order. I have
the distance it can travel. I will use a margarine tub as my object to carry out my investigation. Knowledge ========= From preliminary work and research on the Internet I have gained some knowledge. This will help me carry out my experiment and understand it. Equations --------- Work done (j) = force applied (N) x distance (m) The previous equation also applies for Elastic Potential Energy. Acceleration (m/s²) = force (N) mass (kg) Forces ------ Friction =
Assessment for DCP and CE Determining if temperature affects enzyme activity This investigation is using a range of temperature in order to find weather or not Temperature affects enzyme activity. I will: 1. Observe the effects of different temperatures on enzyme activity 2. Infer the relationship between the two 3. Use a line graph to display data and draw a conclusion Research Question How does temperature affect enzymes activity? Variables Independent Variable: Temperature
The Analysis of Autism Facilitates Neuroanatomical Investigations Studying the functions of the various structures of the brain is best carried out through analysis of brain defects. For example, individuals with autism exhibit particular behaviors that are not considered normal. Assuming that behavior originates from the brain, then it becomes clear that in order to discover the causes of the abnormal behavior a comparison must be made between and healthy brain and the brain of an autistic
several implementations of modern technology in criminal investigations, and the ethical issues that accompany these techniques, focusing on the tradeoff between security and privacy. Specific topics include centralization of information, telecommunications, and general technology. Cases are cited for each topic, as well as a discussion of the ethical issues involved. With the advent of modern technologies, the face of criminal investigations, and indeed daily life, has been irrevocably altered.