Unit 1 - Intro Flashcards
Making a prediction is an…
inference
Using your senses is an
observation
Your senses can be extended by using _____to make measurements.
instruments (like a ruler, thermometer, etc)
Grouping objects or events is …
classification
Negative powers of ten: the decimal moves …
to the left
Positive powers of ten: the decimal moves …
to the right
_____- the amount of matter in an object
Mass
_____- the amount of space an object occupies
Volume
The density formula is ….
D= M/v (on the esrt)
Most objects are the most dense as…
a solid
As temperature increases, what happens to density?
decreases (the molecules spread apart)
Water is weird! Water is most dense around what temperature and phase?
4 degrees Celsius (as a liquid) (on the esrt)
As temperature decreases,what happens to density?
density increases (the molecules move closer together).
As pressure increases, what happens to density?
density increases (the molecules move closer together).
If you break an object into smaller pieces, what happens to density?
the density stays the same.