Weathering and Erosion
What is the breaking apart of a rock?
weathering
Scientists classify rocks into three major groups. What are these three groups?
sedimentary, igneous, metamorphic
Which type of rock do pumice, obsidian, and granite fit under?
igneous
What are the three layers of soil?
topsoil, subsoil, and bedrock
What is a trace fossil?
a track or mark left from an animal
what is the process of rock moving from one place to another?
erosion
What type of rock forms from sediments being cemented together?
sedimentary rocks
What type of rock is sandstone, shale, limestone and conglomerate found in?
sedimentary
True or False: Plants needs soil in order to grow?
False
What is the difference between a mold fossil and a cast fossil?
A mold fossil is fossil is the impression left from the plant/animal. A cast fossil is a fossil made from mud going into the impression.
wind, water, plants, animals, ice
animals
What type of rock is formed from magma and lava
igneous rocks
Which type of rock is gneiss, schist, and marble found in?
metamorphic
What are the 4 things that make up soil?
rocks/minerals, living organisms, air, water
Why is an amber fossil the known as a true fossil?
you can actually see the real item fossilized.
A sandstorm is an example of what type of weathering and erosion?
wind, water, ice, plants
wind
what type of rock forms from other types of rocks by heat and pressure?
metamorphic rocks
Which is the type of rock is the only one to have fossils in it?
sedimentary
Why is topsoil darker in color?
it holds all the nutrients
A trilobite is a creature that came from where?
desert, forest, ocean, lake
ocean
Explain why a river might turn brown instead of its normal blue color.
The sediments weathered into the water.
Two of the three types of rocks have layers. Which ones are they
sedimentary and metamorphic
What smaller elementary makes up rocks?
minerals
Which type of soil absorbs the most water?
Clay, Loam, Sand, or Silt
clay
Which would you most likely find a fossil in?
granite, marble, limestone, obsidian
limestone (sedimentary rock)