• Earthquake Epicenter Triangulation
￫ seismic, seismometer
4012#3229 SIBLINGS CHILDREN 3229

› Erosion by Water
4012#11105 SIBLINGS CHILDREN OPEN

• Identifying Minerals
4012#2947 SIBLINGS CHILDREN 2947

• Igneous Rocks
4012#4028 SIBLINGS CHILDREN 4028

• Introduction to Minerals
○ 5 citeria: solid, naturally occurring, inorganic, fixed chemical formula, specific atomic arrangement -- igneous, granite, speckle, quartz, biotite mica, plagioclase feldspar, fluorite, talc, selenite gypsum, pyrite, silicate, bituminous, sulfur, halite
4012#4013 SIBLINGS CHILDREN 4013

• Landscapes and Drainage Patterns
-- plain, humid, arid, jagged, drainage, dentritic, radial, annular, lush, precipitation, abrasion
4012#812 SIBLINGS CHILDREN 812

• Metamorphic Rocks
4012#4030 SIBLINGS CHILDREN 4030

Pillow English Listening

• Relative Dating of Rock Layers
4012#3208 SIBLINGS CHILDREN 3208

• Rocks and Minerals
4012#3207 SIBLINGS CHILDREN 3207

• Rotation and Revolution
4012#2905 SIBLINGS CHILDREN 2905

• Sedimentary Rocks
4012#4029 SIBLINGS CHILDREN 4029

• structure of the universe
-- cluster, glob
4012#4026 SIBLINGS CHILDREN 4026

• What is a Cold Front?
4012#4015 SIBLINGS CHILDREN 4015