Soil
What is another name for dirt?
Soil
What are hard pieces of the earth's surface?
Rocks
What kind of rock forms when igneous or sedimentary rocks change?
Metamorphic rock
What does a streak test prove?
Color
What does a scratch test prove?
Hardness
What are 4 things found in soil?
Volcano
What kind of rock forms when layers of sediment are pressed together and harden?
Sedimentary rock
What are rocks made of?
Minerals
Name 3 characteristics of minerals.
hardness, shape, and color
What word means to break apart or rot?
Decay
What are the 3 categories of rocks?
Igneous, Sedimentary, and Metamorphic
What are remaining parts of living things that died long ago?
Fossils
The Flood
What are solid materials in nature that were never alive?
Minerals
What are the remains of living things that have died and decayed?
Humus
Water, wind, ice, plants
What kind of look do sedimentary rocks usually have?
Striped
True or False. Rocks always stay the same.
False. They are always changing.
Name 2 precious metals.
Gold and silver
What layer of soil do plants grow in?
Topsoil
What is the breaking down of rocks into smaller pieces called?
Weathering
What kind of rock comes from melted rock that has cooled?
Igneous
How do metamorphic rocks change?
Through great heat and pressure
What are minerals that are hard to find or hard to get called?
Precious metals