Classifying Rocks by Size, Texture, and Color

What color are the rocks?

• Black

• Tan

• Pink

What kind of luster do these river rocks have?

• Dull

• Shiny

• Both

True or False: These rocks look to be smooth or fine grained

• True

• False

• Cannot determine

What is the most likely size of the rocks?

• Pebbles

• Boulders

• Sand

What type of texture is this rock? (Pick the BEST answer)

• Fine Gained (smooth)

• Coarse Grained

• Porphyritic

• Glassy