Science SOL Fifth Grade Review (Rocks)

Sedimentary rocks often contain remains of organisms which tell us about Earth in the past.

Over a period of time, layers of sediment are pressed together to form these types of rocks.

Scientific evidence indicates the Earth is how old?

Most earthquakes and volcanoes are located at the:

Mountains and volcanoes usually form on the_____between two plates. 

Molten rock or magma cools below the Earth's surface or cools after erupting from a volcano.

The layers composed mostly of iron and nickel

Roots hold soil in place. How can soil erosion be prevented?

Sand and soil can be moved by water and wind in a process called:

Rocks are constantly being broken down by chemical processes.

Processes that constantly change rock from one type to another is called: 

Mountains are usually caused by:

Mountain ranges, mid-ocean ridges and trenches are caused by:

Rocks formed from other types of rocks by intense heat and pressure:

Plates that slide against each other are called sliding boundaries - They cause:

The two layers of the Earth that are composed mostly of rocky material are:

Continent-sized blocks that move slowly about the Earth's surface due to heat energy are called