Paper Airplane Lab Report
My third hypothesis is that the Member’s Mark will hold the most pennies when it is dry because Member’s Mark is two-ply and appears the thickest. PROCEDURE To prepare for both experiments I will acquire five brands of toilet paper, rubber bands, and a stopwatch from local stores. There is no control group for any of the experiments because I am comparing brands of toilet paper.
The control group was the Pinewood Derby car that had not been cut yet, and the experimental group was the two shorter car lengths. To perform the experiment, race the cars and record their times, then cut the car in half and make
Lab Report- Penny Drop Lab Abstract: This lab is called the Penny Drop Lab. In this lab, your goal is to find out how many drops of water you can fit on the top surface of a penny. You are trying to find the surface tension between two liquids. In this case, we used soapy water and plain water. Adding soap ends up reducing the surface tension of the water.
Introduction: The purpose of this lab was to determine what the prey species for a single species of owl is like in different regions of the United States. This was accomplished through the dissection of the owls pellet. An owl pellet is a collection of the bones, fur, teeth, feathers and insect shells of small rodents, bugs and birds that cannot be digested by the stomach.
In this week’s lab we had to determine the density of a quarter, penny, and dime. My question was “How does is each coin?” Density is the amount of mass in an object. To find the density of each coin in this lab, we used a triple beam balance to find each coin’s mass and a graduated cylinder to find their volumes. With all this information, I can now form a hypothesis.
In our gummy bear lab experiment, we experienced osmosis, the water version of diffusion. My lab partner, Maggie, and I were given two yellow gummy bears. The first one measured at 10 mm in both thickness and width, and 21 mm in height. The approximate volume was 2,100 mm^3, and the mass was 2.567 grams. The second one was 11 mm in thickness, 9 mm in width, and 20 mm in height.
Emma Rosandich Mahziar Sakiani Period 1 Bubble Lab Report Background Research: Bubbles are basically a very thin film of soapy water that is enclosing air that forms a hollow sphere with an iridescent surface. The surface of water in made of hundreds of molecules that stick tightly together because of intermolecular forces and surface tension. Surface tension helps the bubble keep its shape. Soap molecules have two ends- one end that sticks to water, and the other that is repelled by water. Bubbles are round because they are ‘minimal surface structures’, which means that bubbles hold the least possible surface area they can.
WHAT HAPPENED? The taller the starting ramp height was, the greater the distance the plastic container rolled up the ramp. When the height of the starting ramp was 0 cm (the control group), the average distance the container climbed up the ramp was 0 cm.
In this egg drop project, a container was built to house one egg and was then dropped at various heights. The purpose of this lab was to find how impact time affected the force with which an object, the egg container, hits another surface as the momentum moves to zero. Our hypothesis states that if the impact time is stretched longer then the force exerted on the egg would decrease, making the egg less likely to break. The independent variables for the egg drop project was the height at each drop; the dependent variables were impact time and survival of the egg. The controls were mass, design of the container, and the egg.
The dependent variable in this experiment is the tangential velocity. The relationship of tangential velocity and the mass of the object will be observed
INVESTIGATION FOLLOWUP Procedure My science experiment was to test toilet paper, to find a good toilet paper brand to use. The goal was to find the toilet paper that broke apart the fastest in moving water, the toilet paper that held the most pennies when wet, and the toilet paper that held the most pennies when dry. For the deconstruction test, what toilet paper would break apart the fastest in moving water, I tested the toilet paper by placing a mixer in water and dropping a 2 by 2 inch piece of toilet paper in the spinning water. I repeated this twenty times for each brand of toilet paper.
Your imagination will soar when you witness what can be done with a simple piece of paper. John Collins, also known as “The Paper Airplane Guy,” has traveled the world, demonstrating the science behind designing planes that shatter world records. One of his creations, thrown by professional football player Joe Ayoob, broke the Guinness World Record in 2012 for longest indoor distance flown by a paper airplane. John hopes to spread his love of this creative activity by inspiring the inner scientist in everyone.
This essay discusses the making of an apparatus for the egg drop activity while also a lead in about calculations of the final velocity and height of the drop. The aim of this activity is to 1) to demonstrate the understanding of rate of change in momentum and 2) make the apparatus well so the egg doesn’t crack or break. To make sure I was a prepared for this activity and that my egg would survive, I made a list of lightweight things that could possibly be used to make the apparatus structure.
The purpose of this lab was to change pennies from copper to silver to gold, like alchemists have attempted to do in history. Through the data and observations gathered throughout this experiment, it can be concluded that the pennies were not changed into a different element. For example, the density of the penny from 2005; which was the penny that was experimented on to see whether or not it could turn into silver; was 4.62 g/cm3 before the experiment and 4.89 g/cm3 by the end of the experiment. If this copper penny really would have turned into silver, then the density of the penny would be 10.49 g/cm3; which is the density of silver; by the end of the experiment. The penny may have turned silver in color, but this was only because it was plated in the zinc that was added to the beaker of water in the experiment.
Thus the measurements will repeat for each experiment, where the paper cup’s height from the ground varies in each
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