When a chocolate bar is cut in half, its density is
Answer
halved
doubled
unchanged
Question 2
Question
If a loaf of bread is compressed its
Answer
density decreases
density increases
neither of these
Question 3
Question
Compared to a bar of pure gold, the density of a pure gold ring is
Answer
much more.
slightly more.
less.
the same.
Question 4
Question
If the mass of an object were doubled while its volume remained the same, its density would
Answer
be four times as great.
double.
be half.
stay the same.
Question 5
Question
Compared to the density of a kilogram of feathers, the density of a kilogram of lead is
Answer
less
the same.
more.
Question 6
Question
If you hold two objects that have the same weight density, then they
Answer
have equal mass densities.
may have unequal mass densities.
are equal in weight.
Question 7
Question
A strong spring is stretched 10 cm by a suspended block. If the block's weight is doubled, the spring will stretch to
Answer
15cm.
Its elastic limit.
40cm.
20cm.
Question 8
Question
An un-stretched hanging spring is 50cm long. Suspending a 100-N block from it increases its length to 60cm. Adding another 100-N block makes the spring's new length