In a complete sentence, list three things a scientist would study. Please help me :(

The modern periodic table has groups.

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.

What type of energy conversion occurs when you place your feet near the fire place and they become warm