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# Metrics in Science

### This stack will help students study the use of metrics in Science.

What is the metric system? The metric system is a system of measurement based on the number 10.
What is the "SI" units? SI is the standard system of measurement that allows scientists to compare data and communicate with each other about results.
List prefixes for the most common SI units Common SI prefixes are: kilo-, hecto-, deka-, deci-, centi-, and milli-.
What is the definition of "length"? Length is the distance from one point to another. The basic unit of measure in the SI system is the meter (m).
What is the definition of "mass"? Mass is a measure of the amount of matter an object contains. The basic unit of measure in the SI system for mass is kilogram (kg).
What is the formula for length? The formula for length is LxWxH.
What is the definition for "weight"? Weight is a measure of the force of gravity acting on an object.
What is the definition for "volume"? Volume is the amount of space an object takes up. The basic unit of volume in the SI system is cubic meter (m3).
What is the definition for "density"? Density is a measure of how much mass is contained in a a given volume.
What is the formula for density? The formula for density is: Density = mass volume
What are the two units of measure for temperature that scientists use? The two units of measure that scientists use for temperature is Celsius(C) and Kelvin(K). We will use Celsius in our science class.
Explain absolute zero. Absolution zero is the 0 degree on the Kevlin measurement scale. It is the temperature when all molecules stop moving. (-273.16 degrees Celsius)
What unit of measure do scientists use to measure mass and weight? Scientists use grams to measure mass and weight.
What unit of measure do scientists use to measure volume? Scientists measure volume in liters or cubic meters.
What unit of measure do scientists use to measure length? Scientists measure length in meters.
What scientific tool is used to measure mass? To measure mass, a scientist would use a balance beam.
Explain how weight is different than mass. Weight is determined by the gravitational pull on an object and mass is determined by the amount of matter an object contains.
How can you find the volume of an irregularly shaped object? One can find the volume of an irregularly shaped object by using water displacement.
How can you convert milliliters into centimeters? One millimeter is the same amount of volume as a cubic centimeter.
What type of experiment could we do to see the concept of density? An experiment to see if items would sink or float would help to understand density.
What does temperature really measure? Temperature actually measures how fast atoms and molecules are moving in a particular substance.
What is the average temperature for a human body? The average temperature of a human body is 98.6 degrees Farenheit or 37 degrees Celsius.
Put the following metric prefixes in order from least to greatest: milli-, kilo-, deci-, centi-, hecto-, and deka. The metric prefixes from lease to greatest are: milli-, centi-, deci-, (meter), deka-, hecto-, and kilo-.
Created by: lonniewood