Learning Objectives

Define considerable home.Define extensive residential or commercial property.Give examples of extensive and also extensive properties

How a lot is twenty dollars really worth?

How much is twenty dollars really worth?

I agree to mow someone’s lawn for twenty dollars (it’s a relatively massive yard). When they pay me, they give me a $20 bill. It doesn’t matter whether the bill is brand new or old, dirty, and also wrinkled – all these bills have actually the exact same worth of $20. If I desire more $20 bills, I have to mow more lawns. I can’t say, “This specific bill is actually worth even more than $20.” To have even more money, I need to put in more job-related.

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Extensive and also Intensive Properties

Extensive Properties

Some properties of issue depfinish on the dimension of the sample, while some do not. An substantial residential property is a property that relies on the amount of issue in a sample. The mass of a things is a measure of the amount of issue that an object consists of. A tiny sample of a particular type of issue will have a little mass, while a larger sample will certainly have a greater mass. Anvarious other comprehensive building is volume . The volume of an item is a meacertain of the space that is inhabited by that object.

The number below illustrates the comprehensive building of volume. The pitcher and also glass both contain milk. The pitcher holds approximately two quarts and the glass will certainly host around 8 ounces of milk. The same milk is in each container. The just distinction is the amount of milk had in the glass and in the pitcher


Figure 2.4

Milk pitcher and also glass.


Intensive Properties

The electrical conductivity of a substance is a residential or commercial property that counts just on the type of substance. Silver, gold, and also copper are wonderful conductors of power, while glass and plastic are bad conductors. A larger or smaller item of glass will not adjust this home. An extensive property is a residential or commercial property of issue that depends only on the form of matter in a sample and not on the amount. Other extensive properties encompass shade, temperature, density, and solubility.

The copper wire shown in the photo listed below has actually a certain electrical conductivity. You can cut off the small finish sticking out and it would have the very same conductivity as the whole lengthy roll of wire presented below. The conductivity is a residential property of the copper steel itself, not of the length of the wire.


Figure 2.5

Copper wire.


Summary

An extensive residential property is a home that depends on the amount of issue in a sample.Mass and also volume are examples of considerable properties.An extensive property is a residential property of matter that depends only on the type of matter in a sample and also not on the amount.Color, temperature, and solubility are examples of extensive properties.

Practice

Questions

Use the link below to answer the following questions:

http://www.recommendation.com/motif/science/extensive-and-intensive-properties

Is power a substantial or extensive property?Is density an extensive or intensive property?

Review

Questions

Define considerable building.Give two examples of extensive properties,Define extensive property.Give two examples of intensive properties.
extensive property: A home that counts on the amount of issue in a sample.

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intensive property: A residential property of issue that depends just on the kind of issue in a sample and also not on the amount.