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What is the lead made out of in a pencil?
The lead in a pencil is actually made of a mixture of graphite and clay. Despite its name, it does not contain any actual lead. The proportions of graphite and clay determine the hardness of the lead.
Is it possible to carry out a sieve analysis on a sample clay why?
Yes, it is possible to carry out a sieve analysis on a clay sample, but the results may be limited. Clay particles are very fine and can pass through standard sieves, making it challenging to accurately separate and measure them. For effective analysis, a hydrometer or sedimentation method is often used in conjunction with or instead of traditional sieve analysis to assess the distribution of clay particles. This allows for a better understanding of the particle size distribution in the sample.
Is eating the lead of pencils continuously unhealthy?
There is no lead in pencils ! The 'lead' is actually graphite, clay and wax - mixed in various proportions.
How do you make a clay model of a human body?
To make a clay model of a human body, start by creating a basic armature out of wire. Then sculpt the general shape and proportions of the body using the clay. Add details such as facial features, muscles, and clothing before allowing the clay to dry and harden.
What is a slab clay?
A slab of clay usually means rolled out clay. The thickness varies but is generally about a half inch.
What is the adjective for clay?
The noun clay (type of soil material or its analogs) can also be used as a noun adjunct to mean of, about, or consisting of clay (e.g. clay sculpture). Adjectives that refer to being clay-like are rarely used, but are clayey or clayish.
What is the mass of 10.00cm cubed sample of clay is 22.0 grams what is the density of clay?
Density = mass/volume = 22/10 = 2.2 grams per cm^3.
What are texture percentages of clay when determining the texture of a soil?
Clay soil contains at least 25% clay particles, which are smaller than silt and sand particles. The texture of a soil is determined by the relative percentages of sand, silt, and clay particles present in the soil sample.
What determines soil texture'?
The proportion of sand, silt, and clay in a soil's composition determines its texture.It depends on the proportions of soil particles.Wats the aw set
What is the percentage of silt and clay in a sample of sand?
depends on the kind of soil, each kind would have different composition, in fact the kind is defined by the percentage of sand,silt and clay it has.
Is clay etible?
It can be, but, lets get down to it. Clay is dirt. And usually people dont eat dirt! :)
What is roman brick made from?
they usually made of clay or mud clay then they fired it and used it for whatever
