Intro To Biology worksheets
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Chemistry is the study of
the universe
chemicals
matter
Matter is defined as
any substance that takes up space
any substance that contains atoms/molecules
both answers are correct
An example of a physical property is
the ability to rust
bubbling or fizzing
decay or rotting
texture/how something feels
Which of these statements best describes a chemical property of a substance?
it fizzes when mixed with acid
it is blue
it is a fine powder
it has a mass of 13 grams
When water is mixed with a green powder, it heats up and gas forms. This describes a
physical Change
chemical Change
A broken window is an example of
a physical change
a chemical change
The chemical formula for vinegar is C2H4O2
Vinegar is an element
Vinegar is a compound
Elements
are made of 2 or more different types of atoms
cannot be accurately counted - there are too many of them
are made of the same type of atoms, there are 118 that have been identified
The formation of a solid when two liquids combine is called?
condensation
freezing
precipitate
Identify the type of change happening in the picture as the two liquids combine...
chemical change
physical change
change in appearance only
The chemical formula for aluminum granules is Al2
this is an element
this is a compound
Stirring chocolate syrup into your milk is a
chemical change
physical change
The dew on the grass evaporating as the sun rises is a
chemical change
physical change
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