Basalt

Basalt is a common rock found not only on Earth but also on the Moon, Mars, and Venus. It forms when lava cools and solidifies, which can occur during volcanic eruptions or when magma rises between continental plates.

What is a major component of the Earth's crust?

• Granite

• Basalt

• Limestone

• Sandstone

On which celestial bodies has basalt been found?

• Jupiter, Saturn, and Neptune

• Moon, Mars, and Venus

• Mercury, Venus, and Earth

• Mars, Jupiter, and Saturn

How is basalt formed?

• From the compression of organic material

• Through the crystallization of minerals in water

• By the erosion of sedimentary rocks

• Through the cooling and solidification of lava

What natural events contribute to the formation of basalt?

• Hurricanes

• Earthquakes

• Volcanic eruptions

• Tsunamis

Where does magma rise to form basalt?

• In desert regions

• At the poles

• Between continental plates

• Between oceanic trenches