Title: Laboratory Techniques and Measurements Purpose: To properly use‚ understand‚ and correctly convert the scientific measurements such as: finding density‚ converting centimeters to millimeters‚ 3 different units of temperature‚ etc… Procedure: I used a metric ruler to measure the length of the objects‚ a thermometer to determine the degrees of the water‚ and a scale to determine the mass of the designated objects. I used the proper equipment to measure out or hold the item. After I gathered
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dropper’s density. When the density of the dropper increased‚ it became more dense than the water it was in‚ causing the dropper to sink. When pressure was released‚ the air was sucked back into the dropper making it less dense than the water again‚ so it floats back up to the top of the bottle.
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objects with different amount of density and put them each in ten cups of water. I then put in teaspoons of water and recorded whether or not the objects floated until all the objects were floating. I was able to see how an objects density affects how much salt is needed to make it float. Page 2 Introduction/ Research When trying to make an object float it depends on its density. Density is the “mass per unit volume.”[7] An object floats if it has less density then water. Objects like a boat
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Lab Jessica Cimaroli Lab 1 Purpose To learn about the International System of Units (SI) system and how it relates to measurements in mass‚ length‚ temperature‚ volume‚ and time. To learn about the common techniques and laboratory equipment used to make SI measurents. Procedure Length Measurements 1. Gather the metric ruler‚ CD or
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CHM130 Lab 6 Exploring Density Name: Paige Miller A. Data Tables Place your completed Data Tables here: Part IIIa (3 points) Volume of water in graduated cylinder (mL) 10.00 mL Mass of rubber stopper (g) 11.37 g Volume of water and rubber stopper (mL) 16.50 mL Part IIIb (6 points) Volume of water in graduated cylinder (mL) 20.00 mL Mass of iron nail (g) 3.45 g Volume of water and iron nail (mL) 20.50 mL Part IV (20 points) Type of Aluminum Foil Mass (g) Length (cm) Width (cm)
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floating and then classify objects according to whether they sink or float. CONTEXT In this activity students will determine whether various objects sink or float in water. Whether an object sinks or float in a liquid depends mainly on two factors: density and buoyancy. However‚ at this level‚ students do not need to explain why objects sink or float. They are rather to be encouraged to observe that the same objects will sink or float every time‚ i.e.‚ that there is consistency in the way the objects
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The floating egg experiment – How much salt is needed to make an egg float? Aim: To investigate the effects of salt on the density of water (and therefore the ability to float an object in said water) and to find the amount of salt needed to float one regular egg in a glass of water. Research: Internet research shows that adding salt to water increases the density‚ and in turn makes it easier for objects to float. 4-10 teaspoons of salt in 1 glass of water is said to be enough to make one egg
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the cell will wither and dry out—and eventually die. More generally‚ the property of water that allows it to expand when frozen only goes on to show how dependent life is on the existence of water on Earth. Because the density of frozen water‚ or ice‚ is lower than the density of liquid water‚ a layer of ice forms over the water still in its liquid state; this layer of ice insulates the water underneath it‚ ensuring that the water will remain‚ for the most part‚ in liquid form. If ice was denser
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Colorful Sugar Water Density Tower Sick Science! Summer Camp - Cooking up Kitchen science with sugar water (Submit Review) Stay inside and beat the heat or stay dry on a rainy day while testing the density of sugar water. This experiment is perfect kitchen science - it uses materials found in your pantry. We used Steve Spangler Science materials in conducting our experiment. We used four different density mixtures‚ but you can use as many as you want. * Email * * Materials
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Background: This lab is all about finding the density of a candy bar‚ and determining whether or not the candy bar will float or end up sinking in a glass of water. In order to investigate the principles of mass‚ you have to find the volume and density for four different types of candy bars. My question is‚ which candy bar will have the least amount of density? Hypothesis: If a Twix has cookie inside‚ then it will have the least amount of density. Materials: 4 candy bars( Snickers‚ Twix‚ 3
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