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chapter 2 lesson 1

TermDefinition
Metric System a measurment system based on the number 10.
Why do scientists use a standard measurment system? It allows scientists to compare data and communicate with each other about their results.
What is the main SI unit of measure? The meter
Mass a measure of the amount of matter in an object.
What is the main SI unit of mass? The kilogram.
Weight a measure of the force of gravity acting on an object.
Volume the amount of space an object or substance takes up.
What is the main SI unit for volume? The cubic meter.
Density a measure of how much mass is contained in a given volume.
What is the main SI unit of density? Kilograms per cubic meter.
What other scale can you use for temperature? In addition to the Celcius scale, scientists sometimes use another temperature scale, called the Kelvin scale. In fact, the kelvin is the official unit for temperature.
What SI unit is used to measure time? The second
What are common tools scientists use to measure length and mass? Meter stick and triple beam balance.
What formula is used to determined the volume of a rectangular solid? Length, times width, times height.
Why is an objects density expressed in two units? Because the objects density is made up of mass and volume.
What is SI stand for? International system of units.
Meniscus The curve along the top of the liquids surface.
Created by: kwinkler
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