Rocks and Soil

What are the three main types of rocks?

• Granite, marble, limestone

• Solid, liquid, gas

• The three main types of rocks are igneous, sedimentary, and metamorphic.

• Volcanic, earthquake, tsunami

How is soil formed?

• Soil is formed by the evaporation of water

• Soil is formed through the weathering of rocks and organic materials, as well as the accumulation of decaying plant and animal matter.

• Soil is formed by the movement of tectonic plates

• Soil is formed by volcanic eruptions

What are the properties of soil?

• Some properties of soil include texture, size, color

• Age, height, gender, nationality

• Hardness, transparency, conductivity, magnetism

• Weight, smell, taste, temperature

What are some common uses of rocks?

• Some common uses of rocks include construction materials, decorative purposes, and as a source of minerals and metals.

• As a food source for animals

• For transportation purposes

• As a source of energy

Name one example of an igneous rock.

• Basalt

• Limestone

• Marble

• Slate

How do plants help in the formation of soil?

• Plants help in the formation of soil by breaking down rocks and organic matter through their roots and by contributing organic material when they die and decompose.

• Plants help in the formation of soil by preventing the decomposition of organic material

• Plants help in the formation of soil by releasing toxic chemicals that break down rocks and organic matter

• Plants help in the formation of soil by attracting more pests and insects to the area

How do sedimentary rocks form?

• Sedimentary rocks form through the accumulation and compression of sediment over time.

• Sedimentary rocks form through volcanic activity

• Sedimentary rocks form through the cooling and solidification of magma

• Sedimentary rocks form through the metamorphism of existing rocks

What are the characteristics of metamorphic rocks?

• Metamorphic rocks have a layered or banded appearance and are formed under high pressure and temperature.

• Metamorphic rocks are formed from the cooling and solidification of magma

• Metamorphic rocks are formed through the accumulation and compression of sediment

• Metamorphic rocks are formed through the weathering of existing rocks