1-1 Chemistry and its methods Flashcards
(5 cards)
1
Q
What is Chemistry?
A
the science that studies
the properties and interactions of
matter
2
Q
What is matter?
A
Anything that occupies space and has mass
3
Q
What is mass?
A
Measure of the amount of matter that an object contains.
4
Q
Qualitative Observations
A
No numbers involved
Color, appearance, statements like
“large” or “small”
Stating that something is hot or cold
without specifying a temperature.
Identifying something by smell
No measurements
5
Q
Quantitive Observations
A
A quantity or measurable attribute is
specified.
Numbers with units are expressed from measurements.
Dimensions are given such as mass, time, distance, volume, density, temperature, color specified as a wavelength etc…