welcome to the 50 th state!. hawaii – the big island made of 5 volcanoes most active volcano –...

Welcome to the 50th state!

Hawaii – The Big Island

• Made of 5 volcanoes

• Most active volcano – Kilauea

• Two types of lava– Pahoehoe

• Smooth surface

– A’a• Rugged suface

Pacific plate moves over a hot spot

Let’s concentrate on Hawaii

Which way does the lava go?

• Mauna Kea is a dormant volcano in the Hawaiian Islands

Sunset over Mauna Kea

Mauna Loalargest volcano on Earth

Kilauea volcano is one of the most active on Earth.

Halemaumau Crater at Kilauea's summit.

This is a collapsed caldera on Kilauea

Hawaii’s volcanoes are shield volcanoes.They are over a hot spot.They erupt continuously.

Lava flows

The overlook at Puu Puai provides an excellent view of the Kilauea Iki pit crater

Caldera

In the caldera

A great example of pahoehoe

A’a

Magma erupts and then sinks as it cools and hardens

Examples of both kinds of lava

The end of the ROAD!

Lava flows to the sea and creates new land.

• The island of Hawaii is growing.

Minerals in the lava make the soil fertile. Plants grow quickly.

More steam vents

• What’s that smell?

Hot lava

• What kind of lava is this?

Lava is rich in minerals so plants grow quickly.

Evidence that plants don’t need soil - only minerals, water, sun, carbon dioxide.

More lava

Really?

What is this?

1984 Mauna Loa eruption

cools and hardens

Another picture

Another lava picture!!!

It doesn’t take long

Just another day in paradise