Matt's cube, after 5 trials, had an average density of 7.40 g/cm3 . his group's cube was made of
a) aluminum.
b) gold.
c) nickel.
d) zinc.

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these

Is a pencil falling to the floor anon contact force, a force, or a contact force

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.