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Can you use a mechanical pencil for testing?
Yes ,as long as it has number two lead.
Is 0.5 lead the same thing as a number 2 pencil?
Actually, what you are asking is referring to the hardness of the pencil. So both, 0.5mm and 0.7mm are the same hardness as number two pencils. The number of lead, 0.5, is a thinner lead in diameter to the 0.7.
Is a pencil made of matter?
The "lead" in a number two pencil is graphite. Because it is the color of lead, it is called that...but it's actually graphite, a lubricant. So if you get your zipper stuck, draw on it with a number two pencil..it works!
If the 2 pencil is the best pencil why is it still 2?
The number two in reference to a pencil denotes the relative hardness of the graphite or "lead" that is in the pencil, HB being softer and three being harder, etc.
What are 2 physical properties of pencil lead?
Two physical properties of pencil lead are its gray color and its smooth, solid texture.
Is 0.7 lead the same as a number two pencil?
No. 0.7 lead is just the dimension (in millimeters) The 0.7 has nothing to do with the hardness (which is what the No. 2 refers to). You can purchase 0.7 leads of various hardness that all will fit in the same mechanical pencil.
What is two physical properties of pencil lead?
Two physical properties of pencil lead are its hardness, which is measured on the Mohs scale, and its color, typically ranging from dark grey to black.
What are two physical properties of a pencil lead?
Two physical properties of pencil lead are its hardness, measured using the Mohs scale, and its color, typically either graphite gray or black.
Which 2 elements combine together to form pencil lead?
Graphite and clay are the two elements that combine to form pencil lead. Clay is used as a binding agent, while graphite provides the writing substance in pencil lead.
What is a pencil ''lead'' really made of?
Pencil "lead" is actually made of a mixture of graphite and clay. The combination of these two materials helps create the darkness and smoothness needed for writing and drawing. Despite its name, there is no actual lead in pencil lead.
What are the two physical properties of pencil lead?
The two physical properties of pencil lead are its hardness and its ability to leave a mark on paper. Hardness determines how dark or light the mark will be, while the marking ability is due to the graphite composition of the lead.
Sharper than a number two pencil?
The metaphor "sharper than a number two pencil" means that someone is smart or fast-acting.
