What would you find in the topsoil/humus layer of a soil profile?
Contains sand, mud, clay, water, nutrients for plants, and dead plants. Dark in colour.
100
How are Igneous rocks formed?
Through cooled magma/lava.
100
What is the very center layer of the earth called?
Inner Core
100
What is loam soil used for?
It is very similar to topsoil/humus. It's great for growing crops for food!
100
What are good uses for clay?
Clay pottery, construction and house hold building such as bricks and tiles.
200
What would you find in the subsoil layer of a soil profile?
Contains broken pieces of rocks and minerals, small roots from grass. You would find ants and worms here. Lighter in colour.
200
How are sedimentary rocks formed? Think of how we made them with our starbursts!
Through pressure/compression.
200
What is outer layer of the earth called?
Crust
200
Define "weathering" and how does this occur?
Breakdown of rocks, minerals or soil through wind, water, animals, bugs, other rocks, etc.
200
What are good uses for sand soil?
Planting crops such as watermelon and peanuts.
300
2 part question. What would you find in the parent material layer of a soil profile? What would you find in the bedrock layer of a soil profile?
1. Parent material -weathered rocks, lots deep tree roots (what does "weathered" mean again?) 2. Bedrock - Bottom layer, large rocks almost all solid rocks, barely any water.
300
How are metamorphic rocks formed?
Through heat AND pressure!
300
What is the layer beside inner core called?
Outer Core
300
What is another word for "weathering?"
Erosion
300
What are the 3 different types of soil we studied?
Sand, clay, loam
400
What are the 4 layers of soil from top to bottom?
Topsoil/humus, subsoil, parent material, bedrock.
400
Draw the rock cycle on the board, label the 4 parts.
Teacher checks.
400
What is the layer between outer core and crust called?
Mantle
400
What is the mineral feldspar used for?
To make glass.
400
What which of the 3 types of soil is the finest? Which is the coarsest?
Finest/lightest - clay Coarsest/heaviest - sand
500
What 4 things make up soil?
Water, air, humus, and tiny pieces of rocks
500
What is the difference between EXtrusive igneous rock and INtrusive igneous rock?
EXtrusive igneous rock is outside of the earth and INtrusive rock is inside of the earth.
500
What is the order from Earth's outside layer to inside layer? (4)
Crust, Mantle, Outer Core, Inner Core
500
Name 5 ways that we use rocks and minerals everyday.
Teacher check.
500
Who has the coolest grade 3 teacher in the world?!