Random
What is the name for the outer most layer of the Earth?
Crust.
What do we call hot liquid rock UNDER the ground?
What are the three main types of rock?
Metamorphic, Igneous, and Sedimentary
What process breaks down rocks to turn them into sand and sediments?
Weathering
Erosion
Where do igneous rocks form?
Above and below ground.
Which of the three main types of rock is formed by heat?
Igneous
Name three characteristics of rocks.
color, size, shape, texture, luster, hardness and minerals.
What type of soil contains large amounts of plant and animal matter?
Humus (topsoil or peat moss)
Dark soil that is formed from the decay of dead plants and animals.
Humus
What energy drives the weathering process?
Energy from the Sun
What do we call hot liquid rock ABOVE the ground?
Lava
What test can tell hard minerals from soft minerals?
Scratch test
(HINT: It has very fine texture)
Clay
The layer between the crust and core of earth.
mantle
How could acid rain affect crops?
It could kill plants and damage the soil.
What is the name for a cone shaped land formation that allow heat and pressure to erupt from under the earth.
Volcano
What do we call rocks that are changed by HEAT and PRESSURE?
metamorphic
Water runs easily through this type of soil.
Sand
igneous
How can mountains contain fossils from ocean creatures.
The mountains could have been underwater before when a tectonic plate could have pushed it up above the water, forming into a mountain.
What part of the volcano runs through the middle of the cone, allowing magma and steam to escape?
Vent
What type of rock is formed from sediments under pressure over long periods of time?
Sedimentary.
What type of soil is best for growing plants?
Topsoil, peat moss, or potting soil.
What do you call a piece of transparent (see-thru) mineral with sides and angles that naturally form a regular pattern.
Crystal