BELL WORK INSTRUCTIONS(1)TAKE OUT A PIECE OF PAPER AND PENCIL FOR THE BELL

WORK

(2)PLACE YOUR IPAD ON THE DESK FACE DOWN

(3)GET OUT OTHER MATERIALS FOR TODAY’S CLASS - such as HOMEWORK, SOMETHING TO TAKE NOTES,

etc.

(4) BE READY WHEN THE BELL RINGS – THAT’S WHEN THE CLOCK STARTS

(5) PASS IN THE BELLWORK WHEN THE TIMER GOES OFF.THIS DOES NOT MEAN THAT IT IS TIME TO CHAT!!!!!!

(6) TURN IN YOUR HOMEWORK AND BE ATTENTIVE FOR CLASS.

BELL WORK #7: TUESDAY October 27, 2015 “5 minutes for 5 points”

(1)WHAT ARE THE FOUR MAGMA TYPES?

(2)NUMBER THE MAGMA TYPES IN ORDER OF CRYSTALLIZING FIRST (AT HIGHEST TEMPERATURES) TO LAST, BASED ON THE BOWEN REACTION SERIES

(3)WHAT ARE THE NAMES OF THE 3 FAMILIES OF IGNEOUS ROCKS?

(4)WHAT ARE TWO MORE NAMES OF IGNEOUS ROCKS (NOT GIVEN IN #3)?

(5)WHAT ARE THREE FACTORS USED TO CLASSIFY IGNEOUS ROCKS?

BELL WORK #7: TUESDAY October 27, 2015 ANSWERS

(1)What are the FOUR MAGMA TYPES? (see#2)(2)Number the MAGMA TYPES in order of

crystallizing first (at highest temperatures) to last, based on the Bowen reaction series:

- (1) Ultramafic; (2)mafic; (3) intermediate; (4)felsic

(3)What are the names of the 3 FAMILIES of igneous rocks?

- Gabbro; Diorite; Granite

BELL WORK #7: TUESDAY October 27, 2015 ANSWERS Continued

(4) What are two more names of igneous rocks (not given in #3)?- MANY choices, including (and there’s more):

peridotite; kimberlite (from ultramafic magma)

scoria; basalt (from mafic magma)

andesite (from intermediate magma)

obsidian; rhyolite; pumice (from felsic magma)

(5) What are three factors used to CLASSIFY IGNEOUS rocks?

- composition; texture; formation process (intrusive vs. extrusive)