Understanding the Rocks and Minerals

Select the substance that is not a mineral from the given diagram.

Select the substance that is not a Mineral.

Select the substance that is not a Mineral.

Select the substance that is not a rock.

Basalt is a type of rock. It is commonly found near volcanoes in Hawaii and Iceland. When a melted rock cools at the earth's surface, it can form basalt.

What type of rock is basalt?

This is a piece of quartzite. Quartzite is formed when sandstone is changed by high temperature and pressure. It is mostly made of the mineral quartz.

What type of rock is Quartzite?

A conglomerate is a type of rock. It is made up of grains of different sizes, such as sand, mud, and pebbles. It forms when layers of these sediments are pressed together to form the rock.

What is the type of rock conglomerate?

Select the substance that is not a rock.

Erosion is the wearing away of an object or substance through an external force. Typically, erosion refers to the gradual wearing away of soil, dirt, rock, or other land structures over time through natural forces such as water or wind.

These are some pictures showing erosion.

Now select all the correct examples of erosion.