Slate is a hard and brittle rock.
yes
They may be smooth and others may be rough. Smoothness/roughness is not a defining characteristic for igneous rocks.
You can write with a soft stone on a harder stone; writing with chalk on slate is a familiar example.You can also write with a hard stone on a softer stone, using the harder stone as an engraving tool. There are a lot of examples of this on paleolithic artifacts.
lake water is soft we have some by are cottage which we swim in the seaweed and smooth rocks help it to be soft i have to say interesting question
Slate is so hard because it came from shale that is put under pressure with high temperature. The clay composition of shale converts to mica, making it hard.
No slate is very hard and brittle.
Slate is a very hard but brittle sedimentary rock. It is mainly used as roofing tiles.
slate is smooth :o
Soft-rough-smooth-hard
Soft-rough-smooth-hard
Slate is smooth
Soft-rough-smooth-hard
Soft: mother, gather, smooth, breathe, leather. Hard: this, that, three, they, there.
yes
-th in smooth is hard as in words like there or then
Spoons are not soft, but they are smooth. They are made out of hard metals like aluminum, steel and other metals.
Words with a soft "th" sound include "think" and "thank." Words with a hard "th" sound include "this" and "that."