Graduated cylinder
This should not be taken as a precise measurement of 1 mm, but this hypen: - is approximately a millimeter in length. It's the closest I can do on the keyboard.
mEniscus is the curve or crescent of the surface on a liquid or substance and can be concave or convex. The meniscus should be taking in to account when a readings made to make precise measurements.
about 22-30 inches I should say.
Is this the density of a liquid or an object? If this is the density of a liquid and you want to make an object float, than the density of the object should be less than 2.7. If this is the density of an object you are trying to make float, than the density of the liquid should be greater than 2.7.
The millimeter should be sufficient. If you want greater precision, measure with micrometers. A nickel made in the USA is about 2 millimeters thick, which is equivalent to 2,000 micrometers. However, keep in mind that the precise thickness will vary from nickel to nickel, depending on the amount of wear.
gradulated cylinder
A graduated cylinder or a volumetric flask should be used to make a precise measurement of liquid volume. These tools have calibrated markings on the side that allow for accurate measurements to be made. It is important to ensure that the liquid level is read at eye level to minimize any parallax error.
the nearest .01 mL
This should not be taken as a precise measurement of 1 mm, but this hypen: - is approximately a millimeter in length. It's the closest I can do on the keyboard.
The article at the link below should help you get a handle on the subtle differences between accuracy and precision.
the ansewr is h
The number of significant figures should be equal to the significant figures in the least precise measurement.
You can find some good measurement worksheets which should help you teach your 4th grade students all about measurements here at the following web address: www.education.com/worksheets/measurement/
the best liquid eyeliner to get is probably not the bristle brush ones but you should use the felt ones which work best because they are the most precise or the gel eyeliners! hope this helps :)
mEniscus is the curve or crescent of the surface on a liquid or substance and can be concave or convex. The meniscus should be taking in to account when a readings made to make precise measurements.
The final answer.is only as accurate as the least accurate component in the calculation, so use the significant figures of the measurement with the fewest.
This is because the uncertainty in your answer is determined by the least precise measurement. It's no use expecting your answer to be known to 4 decimal places if you are only measuring to the nearest whole mile.