Use the drop-down menu to complete the statement.

An element is made up of
.

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic