Lee County Schools 4th Grade “If You Ate a Rock”
Rock Specimen
Candy Analogy
Description
1. Obsidian
Hershey Bar- dark
chocolate
2. Granite
Chewey Chocolate Chip
Granola Bar
3. Basalt
Mr. Goodbar
4. Scoria
3 Musketeers
Dense dark brown-dark grey or black sample,
fine-grained and homogeneous; flat on the
bottom with parallel ridges on top.
The material appears to be a matrix of minerals
of varying size, color, and composition, often
interlocking.
Sample has a thin layer of dense, fine grained,
brown matrix, containing angular and semiangular inclusions.
Sample has a homogenous light brown interior
with a frothy texture, indicating a high
percentage of gas(air) during formation.
Medium brown, fine grained matrix with round
air bubbles and small light-colored, rounded
particles.
Dense medium-brown sample, fine-grained and
homogeneous; flat on the bottom with parallel
ridges on top.
5. Rhyolite
6. Shale
7. Gypsum Alabaster
8. Sandstone
9. Conglomerate
10. Limestone
11. Slate
12. Marble
13. Quartzite
14. Gneiss
15. Shist
Nestle Crunch or
Hershey Krackel
Hershey Bar *
Big Kit Kat
Rice Krispy Treat
Interior: Alternating light and medium- colored
material in parallel layers. Layers appear to be
fine to medium grained.
Interior: buff-colored matrix containing rounded
particles of varying sizes bound together.
Hershey Bar- Milk
Chocolate
Snickers
Butterfinger
Interior: Layers of varying color and texture; one
is smooth and fine grained, another contains
rounded inclusions and blebs.
Interior: very thin layers of friable, shiny to
golden, platy finegrained fragments.