Definitions
Definitions
Section 1
Section 2
Section 3
100
a characteristic of a pure substance that describes its ability to change into different substances
chemical property
100
a single kind of matter that is pure?
substance
100
Every form of matter has what two kinds of properties?
Physical Properties and Chemical Properties
100
Length x Width x Height is the equation for calculating what?
Volume
100
A substance that undergoes______is still the same substance after the change.
Physical Change
200
To measure the properties of matter, scientists use a system called?
The International System of Units
200
when chemicals combine they form a?
Chemical Bond
200
What are some of the Physical Properties (list 2)
Physical State, Texture and Color, Flexibility
200
Mass/Volume is the equation for what?
Denseity
200
Unlike Physical Change ______ produces new substances with properties different from those of the original substances.
chemical change
300
any change that alters the form or appearance of matter but does not make any substance in the matter into a different substance?
Physical Change
300
Atoms combine to form larger particles called?
Molecules
300
What are the chemical properties? (list 2)
New Substances and New Properties, Flamibility, Ability to React.
300
Waters density is 1 g/m3 Woods density is greater than 1 gram Which one will float?
Water
300
____ is a chemical change that releases energy in the form of heat and light.
Combustion
400
a measure of the average energy of random motion of particles of water?
Temperature
400
Relates the mass of a material in a given volume
Denseity
400
What are the four elements that matter is made up of?
Air, Earth, Fire, Water
400
FIND THE DENSITY Mass:200g Volume:250g3
200g/250g3= .80 g/cm3
400
The melting of ice is an?
Endothermic change
500
Anything that has mass and takes up space
Matter
500
The total energy of all of the particles in an object
Thermal Energy
500
When elements are chemically combined they form?
Compounds
500
FIND THE VOLUME Length:20cm Width:5.7cm Height:9.5cm
20cm x 9.5cm x 5.7cm= 1083cm3
500
What is the formula for carbon dioxide gas?
CO2
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