DULIN
All Rocks are made up of what?
Minerals
A mineral is a substance found in _____________ that is not a plant or an animal.
Nature
Some rock forms when it cools and hardens below the Earth’s what?
Surface
A rock was formed on earth’s surface and is smooth. What type of rock is it?
Igneous
Name two things that help make up sedimentary rocks
Soil, mud, and rock at the bottom of oceans, lakes, streams, and rivers.
What rock is made up of shells, skeletons, of sea animals, and hardened parts of sea plants? (Obsidian, Granite, or Limestone)
Limestone
A physical feature of the Earth’s land like a plain, mountain, or plateau is known as what?
A landform
Which landform is generally low, flat land?
A plain
An area of land lying between hills or mountains is a(n) _______________.
Valley
True or False A flat area of land that rises above the land it surrounds is a plain.
False
What is the process that causes rocks on earth’s surface to crumble, crack, and break?
Weathering
Rocks are broken apart by frozen water and (sedimentary or plant roots) that get into spaces in the rock.
Plant Roots
Rocks that are formed of bits and pieces of matter that have settled to the bottom of water are what type of rocks?
Sedimentary
What type of rock forms from cooled magma?
Igneous
What types of rocks have been changed by underground pressure or heat?
Metamorphic
Name two types of rocks we discussed.
Answers may vary. Teacher’s disgression.
What are some of the characteristics of topsoil?
Plants and animals, dead plants and animals, humus
What are the characteristics of Solid Rock?
It is made of rock only.
What can help prevent erosion; plants, dogs, or wind?
plants
What is a flat area of land that rises above its surroundings.
A Plateau.
What can cause the weathering of a rock?
Wind, Ice, chemicals, temperature change, water, and plant roots.
Why is soil different in Ohio and Florida?
Amount of sand in the soil. Types of dead plants and animals. Amount of water in the soil. Amount of sand in the soil. Types of dead plants and animals. Amount of water in the soil.
What is the process that causes rocks to crumble, crack, and break?
Weathering
Which retains more water topsoil or sandy soil?
topsoil
Which career would be most concerned with erosion? Farmer, Fire fighter, Teacher
Farmer
FINAL DULIN In which rock, do most caves form?