Rocks/Minerals/Soil/Fossils

Sedimentary rock forms:

• when meteors fall

• magma cools

• in layers

• in the core of the Earth

Which of the following are examples of igneous rocks?

• sandstone and limestone

• marble and slate

• granite and obsidian

An insect was trapper in ice millions of years ago. What is true about this fossil?

• it is decaying

• it is still alive

• it has been preserved

• it will spin a cocoon

As layers of sediments build up over a period of time, the great pressure of all of these layers change the sediment into

• sedimentary rock

• igneous rock

• metamorphic rock

With enough heat and pressure, sedimentary and igneous rocks can be changed into new rocks, called ___________

• sedimentary

• igneous

• metamorphic

In nature, sedimentary rocks are usually:

• black

• layered

• the hardest rocks

Which is true of all minerals?

• They can be identified by their properties

• They can be identified by color alone

• They all have the same texture (feel)

• They are the same size and shape

Scratching a mineral with a nail is an example of which test?

• hardness

• luster

• color

• weight

Marble and slate are examples of what type of rock?

• metamorphic

• igneous

• sedimentary

A fossil was discovered with a cavity or opening made from an animal long ago. What type of fossil is this?

• cast

• mold

• preserved part