RRHS Material Science: Trivia Quiz!

The chemical symbol "C" on the periodic table represents the element carbon. Carbon is a nonmetallic element that is essential for life and is found in all living organisms. It is known for its ability to form a wide variety of compounds due to its unique bonding properties. Carbon is also a key component of many important substances such as diamonds, graphite, and coal.

The chemical symbol "Sn" on the periodic table represents the element tin. Tin is a metallic element with the atomic number 50 and is commonly used in various industries, including electronics and coatings. It is a silvery-white metal known for its low toxicity and resistance to corrosion, making it a valuable material in many applications.

The fume hood should be used when conducting experiments that may produce fumes, small amounts of smoke, or smells. This is because the fume hood is designed to safely contain and remove these hazardous substances from the laboratory environment. By using the fume hood, researchers can protect themselves and others from potential health risks associated with these substances.

The correct answer is Copper. "Cu" is the chemical symbol for copper according to the periodic table.

Coiling is the correct answer because it refers to the shaping process used to make the upper portion of the pottery. Coiling involves creating long, snake-like coils of clay and then stacking and joining them together to build the desired shape. This technique allows for more control over the form and thickness of the pottery, as well as the ability to create intricate designs and patterns. Slabbing and throwing are other pottery techniques, but they are not specifically related to the shaping of the upper portion of the pottery.

The correct answer is ABC because the statement mentions that there are 3 fire extinguishers in the classroom and shop. The options given are "ABCD," "OMG," "MSG," and "ABC." Among these options, only "ABC" matches the number of fire extinguishers mentioned in the statement. Therefore, "ABC" is the correct answer.

The chemical symbol "Si" on the periodic table represents the element silicon.

The chemical symbol "Hg" on the periodic table represents the element Mercury. Mercury is a heavy, silver-colored metal that is liquid at room temperature. It is commonly used in thermometers and barometers due to its high density and low freezing point. Mercury is also toxic and can be harmful to human health and the environment if not handled properly.

The correct answer is Iron because "Fe" is the chemical symbol for iron on the periodic table.

A glass cutter is a tool specifically designed for cutting glass. It typically consists of a small metal wheel or blade that is used to score the surface of the glass, creating a line along which the glass can be easily broken. This tool is commonly used in various applications such as glass art, stained glass work, and glass installation.

Viscosity is a property of liquids that refers to the resistance or opposition to flow. It is not dependent on temperature, as stated in the incorrect options. The correct answer accurately defines viscosity as the rate of resistance or opposition to the flow of a liquid, regardless of temperature.

The chemical symbol "Na" on the periodic table represents the element sodium. Sodium is a highly reactive metal that is commonly found in salt and various other compounds. It is an essential element for many biological processes and is also used in various industrial applications. Sodium is known for its characteristic yellow color when burned and its ability to react explosively with water.

The chemical symbol "Cl" on the periodic table represents the element chlorine. Chlorine is a halogen with atomic number 17 and is commonly used as a disinfectant and in the production of various chemicals. It is a highly reactive element and exists as a diatomic molecule, Cl2, in its natural state. Chlorine is a greenish-yellow gas with a strong odor and is essential for various biological processes.

The correct answer is Aluminum because "Al" is the chemical symbol for aluminum on the periodic table. Alumina is a compound of aluminum, but it is not the chemical symbol. Alibaster is a type of mineral, and argon is a different element on the periodic table.

Nitrile disposable gloves are the appropriate PPE when conducting experiments with chemicals in the classroom. Nitrile gloves are resistant to many chemicals and provide a barrier between the hands and the chemicals, reducing the risk of exposure. They are also disposable, which means they can be easily discarded after use to prevent cross-contamination. Compared to cotton gloves, leather gloves, and mittens, nitrile gloves offer better protection and are more suitable for handling chemicals in a laboratory setting.

The correct answer is A because wood, paper, and trash are all examples of combustible materials that can undergo combustion and produce fire.

Water should not be used to extinguish grease fires, gas fires, fires in toasters, or fires in microwaves because water can cause these types of fires to spread or intensify. Grease fires are fueled by oil or fat, and water can cause the oil to splatter and spread the fire. Gas fires on engines can be fueled by flammable liquids, and water can spread the fire or cause an explosion. Fires in toasters and microwaves involve electrical components, and water can conduct electricity and pose a risk of electrocution. Therefore, using water on any of these types of fires is not recommended.

The chemical symbol "Pb" on the periodic table represents the element lead.

The given correct answer is D. The explanation for this is that the fire extinguisher mentioned in the statement is specifically designed for combating fires caused by combustible metals. Since the extinguisher is not available in the class or shop, it implies that it is not suitable for dealing with other types of fires such as those caused by flammable liquids or electrical equipment. Therefore, option D is the correct answer.

The correct answer is to warn the student and then reposition or put away the cord so it is no longer in the walkway. This is the responsible and considerate action to take in order to prevent accidents or injuries. It is important to prioritize the safety of oneself and others, and taking proactive measures to remove potential hazards is the right thing to do.

Carbon is alloyed with iron to create steel. Carbon is added to the iron during the steel-making process to increase its hardness and strength. The carbon atoms form a solid solution with the iron atoms, creating a stronger and more durable material. This process is known as carbonization and is essential in the production of steel, which is widely used in various industries due to its high tensile strength and versatility.

A fire that has flammable liquids, grease, or oil as its combustion source would be classified as a Class B fire. This is because Class B fires involve flammable liquids and gases, such as gasoline, oil, and grease. These fires can spread rapidly and are best extinguished using foam or dry chemical fire extinguishers specifically designed for Class B fires.

During the "heat treating metal" lab, when the red hot spring steel bristle was plunged into cold water, it caused rapid cooling of the metal. This process is known as quenching. Quenching involves rapidly cooling heated metal to increase its hardness and strength. This sudden cooling causes the formation of a martensitic structure, which makes the metal brittle. Therefore, when the end of the steel bristle was broken off easily with fingers, it demonstrated the effects of quenching on the metal.

The appropriate procedure for distinguishing between clear liquids in a test tube is to hold the container down and pointed away from your nose, and lightly "waft" or fan your hand to quickly smell any fumes gassing off, without inhaling. This is because different liquids such as alcohol, laquer thinner, and acetone have distinct smells, allowing you to identify them based on their odor.

If a material is described as being "Non-Newtonian", it means that the material or substance does not follow the laws of physics as described by Newton. This means that the material's behavior and properties cannot be explained or predicted using Newtonian physics principles. The material may exhibit unusual or unexpected behavior when subjected to shear forces or energy, and its viscosity or flow characteristics may not adhere to the typical patterns observed in Newtonian fluids.

A material that is "Dilatant" becomes thicker or more rigid when energy (shear force) is added to it. This means that it becomes more viscous and does not flow easily. Examples of dilatant materials include oobleck (cornstarch-water mixture) and liquid body armor.

The glaze used to put this kind of finish on the Raku Pinch Pot is likely made from Copper Oxide. Copper oxide is commonly used in pottery to create a variety of colors and effects on the surface of the clay. It can produce vibrant blues, greens, and reds when fired at the appropriate temperature. Therefore, it is the most suitable option for creating the desired finish on the outside of the Raku Pinch Pot.

Annealing is the correct answer because it refers to the gradual cooling process of glass in a kiln from a high temperature to room temperature. This process is necessary to relieve internal stresses in the glass and prevent it from cracking or breaking easily. Sintering, tempering, and quenching are not appropriate terms for this specific cooling process.

Ductility is the property of a material that allows it to be stretched into a wire without breaking. In this scenario, when we pulled the thick copper wire through a die to make it thinner and longer, we were testing its ability to be stretched and elongated without fracturing. Therefore, the property of copper being explored in this situation is ductility.

Work hardening is the correct answer because when copper wire is repeatedly bent and straightened, it becomes harder and stronger. This is due to the dislocations in the crystal structure of the metal increasing, which makes it more resistant to further deformation. This process is known as work hardening and it is a characteristic property of certain metals, including copper. Malleability refers to the ability of a material to be hammered or pressed into different shapes without breaking, while annealing is a heat treatment process to soften and relieve internal stresses in a material. Ductility refers to the ability of a material to be stretched into a wire or thread.

The term "Thixotropic" refers to a liquid material that becomes thinner or liquefies when energy or shear force is applied to it. This means that the material has a resistance or opposition to flowing as a liquid and becomes less viscous when subjected to agitation or movement. Examples of thixotropic materials include catsup, concrete, some paint, and printer's ink.

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The high carbon steel exterior surface of the Samurai sword provides the toughness and sharpness needed for striking the intended target, while the low carbon steel interior prevents the sword from breaking. This combination of materials allows the sword to maintain its edge and durability during use.

The purpose of the higher temperature firing of the pottery, which is lower than the final glaze firing, is to remove any remaining moisture trapped in the clay. This firing is called the bisque fire.

The coefficient of thermal expansion refers to the rate at which a material expands or contracts with changes in temperature. In the context of fusing glass in a kiln, it is crucial to ensure that the coefficient of thermal expansion of the glass matches with the kiln's temperature changes. If there is a mismatch, the glass may break as it cools down and anneals after the fusing process. Therefore, understanding and considering the coefficient of thermal expansion is important for successful glass fusing.

When we hammered the copper wire on an anvil, we were exploring its malleability and work hardening properties. Malleability refers to the ability of a metal to be hammered or rolled into thin sheets without breaking. By hammering the copper wire, we were testing its malleability. Work hardening, on the other hand, is the process in which a metal becomes stronger and harder when it is deformed through mechanical work, such as hammering. So, by hammering the copper wire, we were also examining its work hardening properties.

Copper was used as a material to cover the bottom of the ship hulls because it has antimicrobial properties. It effectively killed organisms that tried to grow on the hull, preventing damage and rot. This practice was common during the era when ships were made of wood and sailed the seas. Zinc, Ferrous Oxide, and Silver Nitrate are not commonly used for this purpose and do not possess the same antimicrobial properties as copper.

Silicon can be engineered to be a conductor in some circumstances and an insulator in other applications. This is because silicon is a semiconductor, which means its electrical conductivity can be controlled by adding impurities or applying external electric fields. By doping silicon with specific elements, it can be made to conduct electricity, while in its pure form, it acts as an insulator. This property makes silicon a vital material in the field of electronics and allows for the creation of devices like transistors and diodes.

When working around chemicals, clear safety goggles are the preferred Personal Protective Equipment (PPE) to protect your eyes. This is because clear safety goggles provide a barrier between the eyes and any potential chemical splashes or airborne particles, ensuring that the eyes are protected from harm. Sunglasses at night would not provide sufficient protection, safety glasses may not provide a complete seal around the eyes, and a welding helmet is specifically designed for protecting against the intense light and heat produced during welding, not chemical exposure.

The correct answer is 200 F for 8-10 hours. Candling is a process used to evaporate the water moisture from pottery without boiling the water. Setting the oven to 200 F for 8-10 hours allows for a slow and gradual evaporation of the water, preventing any damage to the pottery. This temperature and duration are ideal for achieving the desired outcome of candling the pottery effectively.

The best ancient Samurai Swords were rated as 5 Body swords. This suggests that the rating system used for these swords was based on their overall quality, craftsmanship, and performance. The term "Body" may imply that these swords were considered to be the embodiment of perfection and excellence in terms of their physical attributes and functionality.

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All of the mentioned metals - silver, copper, and zinc - are considered antimicrobial because they have properties that inhibit the growth of various living organisms such as barnacles, moss, fungus, and bacteria. These metals have been widely used in various applications, including medical devices, water purification systems, and surface coatings, due to their ability to prevent the growth and spread of harmful organisms. Therefore, all of the mentioned metals possess antimicrobial properties.

An electrical fire is classified as a Type C fire because this type of fire involves energized electrical equipment or wiring. Type C fires are typically caused by short circuits, overloaded circuits, or faulty electrical appliances. They require specialized extinguishing agents that are non-conductive and specifically designed to suppress electrical fires.

The "Nipping Pliers" tool is used for breaking glass into smaller pieces and trimming up around an edge. Among the tools pictured in the set, the tool located in the middle right position is the correct answer.

The atomic/molecular structure referred to in the explanation is the Body Centered Cubic (BCC) structure. This structure allows the sword to have a tough hard outer shell while maintaining a sharp edge and durability. The BCC structure is characterized by a lattice with atoms at the corners and one atom in the center of the cube. This arrangement provides strength and stability to the material, making it suitable for withstanding shocks and impacts without breaking or shattering.

The "Grozer Pliers" are used for breaking glass at a right angle to a scored line. Among the tools pictured in the set, the tool located on the far right is the correct answer.

The correct crystal structure for high carbon steel is FCC (Face Centered Cubic). This means that the carbon atoms are located at the center of each face of the unit cell in the crystal structure. This arrangement results in a durable and very hard surface for the steel.

Wedging is the correct answer because it is the process of kneading and working the clay to remove air bubbles and create a uniform consistency. This is important for creating a project as it ensures that the clay is free from air pockets which can cause the project to crack or explode during firing. Mixing refers to combining different materials, molding is shaping the clay into a desired form, and kneading is a part of the wedging process.

Smothering the burning sawdust with the can causes a reduction atmosphere inside the can. In a reduction atmosphere, there is a limited supply of oxygen, which causes the carbon in the sawdust to react with the glazes on the pottery. This reaction results in the formation of beautiful, smoky colors on the pottery's surface. Therefore, this step in the Raku process is called reduction.