Vocabulary
a scientist who studies what the earth is made of
What is a geologist
What are igneous, metamorphic,and sedimentary
these landforms are mostly flat, level areas of land
What are plains
this is found between rocks and humus in soil
What are pores
magma above the surface of the earth
What is lava
a nonliving, natural substance found in the eath
What is a mineral
rocks which are formed when small piecces of rocks and other materials pile up in layers
What are sedimentary rocks
these landforms are areas of low-lying land surrounded by higher ground
What are valleys
these are three types of soil
What are clay, potting soil, and sand
the process of changing one form of rock into another form
What is the rock cycle
the decaying plant and animal matter that helps plants grow
What is humus
these are the rocks which are formed when magma cools and hardens
What are igneous rocks
these landforms are very deep valleys that have steep, rocky cliffs on its sides
What are canyons
these are the five things soil is made of
What are rocks, minerals, water, air, and humus
these use the energy of moving water to provide electricity for towns and cities
What are hydroelectric dams
the features of the earth's surface
What are landforms
these are rocks which are formed when heat and pressure are applied
What are metamorphic rocks
these landforms usually rise at least 2,000 feet above the earth's surface
What are mountains
pores hold these two things
What are air and water
this is how much of the earth is covered in water
What is 70 percent
a body of freshwater that flows from an upland source to a large lake or to the sea
What is a river
these are the three properties scientists use to describe rocks
What are hardness, luster, and color
these are the SEVEN landforms
four products people use soil to make
What are jewelry, cement, windows, statues, computers, dishes, buildings, and/or video games
these are four things provided by rivers
What are food, water, protection, and transportation