SCIENCE TEST 9/24 Flashcards
What are properties?
DENsity,hardness,melting point,,color,solubility
WHat are non,properties?
Mass length weight size volume shape
WHy do scientist need to know properties of a substance
to identify and compare
Does the amount of a substance affect the properties of that substance?
No because size and length or non properties
Melting point
when a solid starts turning into a liquid
Density what happens to Density when the size changes
nothing
how many variables does a controlled experiment have
1
independent variabe
the variable changed
dependent variable
the variable measured
constants
the variable that stays the same
quantitative
data with numbers
qualitative
data that can be observed
property
to identify or compare
substance
made of one thing all the way through
mixture
made of one or more substances