Rocks
Vocab
Vocab
What is a rock?
A hard, solid part of Earth
Does it take a short or long time for soil to form?
Long time.
The surface of the Earth is made of ________.
Rocks!
Can plants grow in sandy soil?
Can you give an example?
Yes! Only certain plants.
Example--Cactus, potatoes, oak tree...
Can rocks be made of more than one mineral?
Yes!
What is a mineral?
A nonliving material that comes from Earth.
Rocks are made of minerals.
What is sandy soil?
It is made up of loose pieces of rocks.
Water seeps/runs through rather quickly.
Rocks are formed in _____ ways.
Three!
Can plants grow well in clay soil?
Give an example.
Yes! Certain/some plants.
Example--cranberry, rice...
Rocks are nonliving. What does nonliving mean?
Not alive.
What is a use for the mineral copper?
To make wires
What breaks rocks down so the tiny peieces become part of the soil?
Wind and water.
Give an example of a rock that is formed from lava.
Obsidian!
Can plants grow well in loam soil?
Give an example.
Yes! Most definitely! Most plants grow well in loam soil. Loam holds enoigh water and nutrients for most plants.
Example--roses, mangoes, corn, .... most plants...
Where can you find rocks?
Everywhere on Earth--in the ocean, in the backyard, in dirt....
What are "layer rocks"?
Layer rocks are rocks made from different layers of sand, mud, other rocks piled on top of each other.
What is clay soil?
Clay soil is made up of small pieces of rocks packed together. It holds water well. It holds lots of water. It is red (iron in it).
Rocks can be formed when lava hardens, by layers of different rocks, and by _____ and _______.
Heat and pressure
Which type of soil would kost farmers prefer to use? Why?
Most likely loam soil because it has enough water and nutrients for the plants to grow.
What can cause large rocks to break down and become part of dirt?
Wind and rain.
What is a use for the mineral quartz?
People use quartz to make glass.
What is loam soil?
Loam soil is black, very good for growing plants, has humus (a mix of nutrients from dead plants and animals), water spreads throughout, and it can feel moist.
What is the difference between a boulder and a pebble?
Do plantable pots break apart or stay forever?
Break apart. It does take time, but will break apart. We saw in class, that after a few minutes with water, it was breaking apart already.
What is a thermometer and by how many degrees does it go up?
A thermometer is a tool used to take temperature, and it increases by 2 degrees.