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chap 13 study guide
science
Question | Answer |
---|---|
Name several chemical changes | heating, cooking, changing color permenantly, light, fizzing, burning |
What physical propery can be measured in cubic centimeters | volume |
The amount of space that an object takes up is it's ________? | volume |
Which state of matter will have particles that move very loosely | liguids |
Which object has greater density? 10 lbs of feathers or rocks? | 10 lbs of rocks because they do not take up the same amount of space. |
If object A floats on top of a liquid and object B sinks to the bottom of the same liquid. What can you tell about the density of the two objects? | object a has more density than object b |
describe water vapor | its water going through a phisical change from liguid to gas |
name several phisical properties of matter | shiy solid hot cold |
if a metal worker is able to hammer out a sheet of copper which properties are he usng | phisicl malleable |
phisical change is dif than chemical. how | phisical- apearance changes but properties dont chemical -sustances change into a new substances |
in the _______state of matter the particles move the slowest | solid |
which measurement changes when an object is taken from earth to the moon_____why______________________________ | weight:the mon has a different pull of graviy on mass |
plasma is dif than gas . how | the particles in plasma are electricallt charged |
what container do use to slow the process of meltig | insulated |
a substances _____ and____ point are the same | freezing melting |
water= 1 object z =0.43 will it float | it has more density so it will float |
a phisical and chemical change on copper | phisical-ductile folded chemical cuprite mineral green patina |
compare the four states of matters volumeandshapes | solidsolid definate shape and volume liquid no definate shape.definate volume- gas and plasma no definate shape or volume |