Describing Matter
What is an example of a physical property of matter?
color, shape, texture, smell
The force of gravity on an object
weight
Carbon is an example of...
a) element
b) compound
c) mixture
element
solid
What is an example of elastic potential energy?
a rubber band stretched out
True or False: Toxicity is an example of a chemical property
true
True or false: mass is the amount of space an object takes up
What are the two kinds of mixtures
homogeneous, heterogeneous
What is the matter phase change when you melt something
solid to liquid
What has more potential energy? a person on a mountain or a person in their bed?
a person on a mountain
Breaking glass is an example of: physical or chemical change?
physical
What is more dense: a block of gold or a pile of feathers
block of gold
True or False: compounds are not chemically combined
FALSE
Boiling a pot of water is an example of
vaporization
True or false: work is happening when a bulldozer is pushing a pile of dirt
true
Baking a cake is an example of: chemical or physical change
chemical
No. it is the same!
Provide an example of a homogeneous mixture
salt water, iced coffee
what is the phase change of condensation?
gas to liquid
What is the equation of mechanical energy?
Kinetic + Potential
Melting ice is an example of: physical or chemical change
physical
What is the equation of density
D= M/V
What is an example of a compound?
CO2, H20
what is another term for vaporization?
evaporation
Define energy tranformation
when energy changes form