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What are the differences between brass and woodwind instruments?
Brass instruments tend to be made out of brass or other metals/alloys. Woodwind instruments have reeds, which makes a different sound to the brass instrument (in simple terms you have to blow raspberries into to make a sound- it is a little more complecated than that, but its hard to explain).
Is brass a metal?
Brass is an alloy made of copper and zinc, which are both classified on the periodic table as metals. Its malleability and acoustic properties make it a prime choice in musical instruments.
Where are heavy metals found in the periodic table?
Heavy metals are typically found in the middle of the periodic table. These heavy metals are often also transition metals.
What family are many familiar metals in?
alkaline metals
What is one physical difference between transition metals and poor metals?
reactivity
How can expanding metal be measured?
Metal expansion can be measured using a variety of instruments like thermometers, thermocouples, or strain gauges. By subjecting the metal to different temperatures and observing the resultant expansion, the coefficient of thermal expansion can be calculated. Additionally, techniques such as interferometry or laser holography can be used to measure the expansion of metals with high precision.
What is the cubical coefficient of thermal expansion for metals?
Since most metals are isotropic, the cubical coefficient of expansion is three times the linear coefficient of expansion. The linear coefficient of expansion is obtained from measurement and tables for the specific material which are readily available.
What are the advantages and disadvantages to expansion and contraction of metals?
Thermometers
Would a bimetallic strip work if the two different metals happened to have the same rates of expansion?
No, a bimetallic strip relies on the different rates of expansion of the two metals to produce a bending effect when exposed to temperature changes. If the two metals have the same rates of expansion, the strip would not bend and would not function as intended.
What property allows metals to be shaped into musical instruments?
a piano
Why has not the earth's crust blown off due to the expansion of metals under the crust?
because it streatched more as the metals expand
Which of the two metals contract more when cooled?
Generally, all metals contract when cooled. However, the rate at which they contract depends on their coefficient of thermal expansion. In general, materials with higher coefficients of thermal expansion will contract more when cooled.
Why the bimetallic strip bent with the heat?
A bimetallic strip is composed of two different metals with different coefficients of thermal expansion. When heated, the two metals expand at different rates, causing the strip to bend. The side with higher expansion will curve outward due to the lengthening of that metal compared to the other side.
What works by using two metals with different expansion rates and mercury switch?
A thermostat.
Which two metals are used in a bimetallic strip?
The two metals commonly used in a bimetallic strip are steel and copper. These metals have different coefficients of thermal expansion, causing the strip to bend when heated or cooled due to the uneven expansion and contraction of the metals.
How does the deformation thermometer work?
A deformation thermometer measures temperature by monitoring the deformation (expansion or contraction) of a material in response to changes in temperature. When the material is heated, it expands, and this expansion is measured to determine the temperature. Common materials used in deformation thermometers include metals like copper and bimetallic strips.
What metals conduct sound?
Metals such as aluminum, copper, and steel are known for their ability to conduct sound well due to their high density and stiffness properties. These metals are commonly used in musical instruments like brass instruments, guitar strings, and drum cymbals to produce and transmit sound effectively.
