Don't soil yourself

How can you tell if soil has a lot of humus mixed into it?

• It is lighter in colour

• It is dark, almost black

• There are big pieces of organic matter

• It has large rocks and minerals

How are rocks "weathered"?

• Water washes against them

• The wind blows against them

• Water gets inside, freezes and splits the rocks

• Tree roots split them apart

• Other rocks push them down

What are the three types of rocks

• hard, soft and medium

• Igneous, sedimentary, metamorphic

• Quartz, carbon, sandstone

• pop rock, punk rock, rock 'n' roll

What is another name for the "layers" of soil?

• stacks

• bedrock

• horizons

• steps

How are new rocks formed?

• They fall from the sky

• Lava erupts from volcanoes, settles on the ground and cools down

• Sand gets squished together over hundreds of years

• Out of play dough

What type of fungi grow on rocks and help weather them into sand?

• mushrooms

• mold

• hen-of-the-woods

• leichen

What are diamonds made of?

• Glass

• Carbon

• Quartz

• Sandstone

What is the bottom layer (horizon) of soil called?

• Bedrock

• Subsoil

• Topsoil

• Chair Rock