Earth Science NYS Unit 1 Measurements

33 terms by DaRoz

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Observations

Using the senses to gather data from the environment

Tools

May extend the senses

Qualitative Observation

Properties of an item that are not easily measured

Qualitative and Quantitative

Two types of observations

Quantitative

Type of observation where a property can be measured using a tool that extends the senses

Length

Distance between two points

Width

Distance between two points

Height

Distance between two points

volume

how much space an object takes up

Regular Solids

Cubes, Rectangular Prisms, Cylinders, Spheres are examples of what kind of geometric shapes

Formula

The Volume of a Regular Solid can be calculated using a

Rectangular Solids

The Formula V = L x W x H gives the Volume of

cylinders

The Formula V = (Pi) x R2 x H gives the Volume of

water displacement

the volume of an irregular solid is determined using

Mass

How much matter an object contains

Mass is Determined Using

A Balance

Measured using a Stopwatch

Time

temperature

measured with a thermometer

Celsius scale

for most measurements, temperatures are measured on the

Fahrenheit scale

for weather variables, temperatures are recorded on the

density

describes how much mass is found in an amount of space

density

constant for substances at given temperatures

T/F: Density can never change

FALSE

heated

in general, density decreases as a substance is

cooled

in general, density increases as a substance is

T/F: Density is effected by pressure

TRUE

increases

if the same amount of mass is compressed (squished) into a smaller space, the density

decrease

if the pressure of an object, like a gas, decreases, its volume will expand while its mass stays the same, causing the density to

cooled

*EXCEPTION* = water- density decreases as it is

D = M/V is the formula for

density

D = M/V this formula represents

Density = Mass ÷ Volume

you can use the density equation to determine two other things

Mass or Volume

T/F: If you are looking for either mass or volume, put density over 1 and cross multiply and divide

TRUE

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