A rock with ____ -grained texture has a rough surface.
coarse
A rock with a fine-grained texture has a _____ surface.
smooth
Rocks with no grain have a _____ texture.
glassy
Rocks can be a __________ of colour.
mixture
Yes / No: Does this rock have cleavage?
Yes
what colour are these rocks?
Gray
A _____ weight rock can be easily lifted with one hand.
light
We cannot lift ___ weight rocks.
heavy
Coarse-grain texture rocks have dots that we can _____ with the naked eye.
see
What texture does this rock have?
Glassy texture
Rocks have ______ characteristics.
different
What colour are these rocks?
white
Light weight rocks can be ______ lifted.
easily
Rocks with _____ can be _____ broken along these lines.
cleavage / easily
True / False: "Light" and "heavy" are words used to describe the texture of rocks.
False: "Light" and "heavy" are words used to describe the weight
The core of a pencil is made from a very soft rock called ____.
graphite
