Is soil formed over a short amount of time or a long amount of time?
Long
How do plants protect the soil?
Plant roots hold the soil in place
What kinds of rock is formed from cooled lava or magma?
Igneous Rock
What do the colors in a rock indicate?
The minerals that are in the rock
Is a diamond a rock or a mineral?
A mineral
What is the top layer of soil called?
Topsoil
When rocks and soil are moved from one place to another, what is it called?
Erosion
When high pressure and temperature change rocks, what kinds of rocks are formed?
Metamorphic
What are all rocks made of?
Minerals
When we rub a mineral against a rough surface it leaves a powder. What is this called?
Streak or streak test
What does Organic mean?
Related to or made from once living matter.
What do we call anything harmful added to the environment?
Pollution
Do extrusive igneous rocks have small crystals or large crystals?
Small
Which kind of rock is used as s source of heat and to generate electricity ?
Coal
Why isn't water considered a mineral?
It is not a solid
What happens after parent rock is weathered during soil formation?
Small organisms move in to further break down the rocks.
Name 2 things that cause damage to soil.
Erosion and pollution
What do we call the process of changing rocks from one type to another over time?
Rock Cycle
What do we call a naturally occurring substance found in the earth's crust, made of one or more minerals?
Rock
What kind of structure do all minerals have?
Crystal.
What is soil made up of?
Broken down rocks and remains of once living things.
What kind of soil is good for Date Palms like we have here in Abu Dhabi?
Desert Sand
What are extrusive igneous rocks?
Rocks that are formed when lava cools very quickly above ground?
What are the 3 types of rocks called?
Metamorphic, Sedimentary, and Igneous
What do we call a break along the rough surface of a mineral?
fracture