Materials Each group of students will need: One 1/2-gallon plastic bottle filled with dry sand, One plastic gallon-size tub, One foam cup with holes punched in the bottom (use a paper clip as a hole-punch), One graduated cylinder or measuring cup (something to measure the volume of water used during the activity), One ruler or yardstick, and One protractor with a piece of string and a small weight (or contact goniometer if available - used to measure the angle between mineral crystal faces).
(Each group of students; will need; ) (One 1/2-gallon plastic bottle; filled; with dry sand) (something; to measure; the volume of water) (holes; punched; L:in the bottom) (water; used; T:during the activity) (One plastic gallon-size tub; use; a paper clip; as a hole-punch) (One; graduated; cylinder or measuring cup (something to measure the volume of water used during the activity), One ruler or yardstick, and One protractor with a piece of string and a small weight (or contact goniometer if available - used to measure the angle between mineral crystal)
Each group of students One 1/2-gallon plastic bottle something holes water One plastic gallon-size tub One
will need filled to measure punched used use graduated
with dry sand
the volume of water
L:in the bottom
T:during the activity
a paper clip as a hole-punch
cylinder or measuring cup (something to measure the volume of water used during the activity), One ruler or yardstick, and One protractor with a piece of string and a small weight (or contact goniometer if available - used to measure the angle between mineral crystal