Types of Rock
an
lab safety
100

Hardest and shiny, natural material on Earth (10 on Mohs scale)


Diamond 💎

100

(Metamorphic) – very hard due to extreme heat & pressure

Gneiss

100

if you're going to go in a lab and touch things what do you need?

gloves

200

Very hard metamorphic rock made from quartz sandstone

Quartzite 🔺

200

(Igneous – Intrusive) – dense, hard crystals

Granite

200

what do you need when dealing with chemicals that can get in your face?

goggles 

300

Hard igneous rock made of quartz, feldspar, and mica

Granite  ðŸª¨

300

 (Metamorphic) – softer than granite, reacts to acid

Marble

300

what should you do if you have a crack in a flax?

tell the teacher or someone with that class or higher

400

Sedimentary rock, softer than granite and quartzite

Limestone 🪵

400

(Sedimentary) – grainy, softer than metamorphic

Sandstone

400

what is the most impotent thing when dealing with something dangerous?

safety 

500

One of the softest sedimentary rocks, breaks easily into layers

Shale 🧱

500

(Sedimentary) – softest, breaks into thin layers easily

Shale

500

what are the type extinguisher is use for chemicals fires?

class B fire extinguishers