Volcanoes

Question 1

Is ash a primary or secondary hazard of a volcano?

Answer 1

Ash is a primary hazard of the volcano

Question 2

lava bombs are a primary or secondary hazard of a volcano?

Answer 2

Lava bombs are a primary hazard of a volcano

Question 3

Is lava flow a primary or secondary hazard of a volcano?

Answer 3

Lava flow is a primary hazard of a volcano

Question 4

What is ash?

Answer 4

Tiny fragments of rock created by a volcanic eruption

Question 5

What is a lava bomb?

Answer 5

Globs of molten rock erupted into the atmosphere

Question 6

What is lava flow?

Answer 6

rivers of molten rocks which run over the grounds surface, they are slow and easy to escape

Question 7

Is tephra a primary or secondary hazard of a volcano

Answer 7

Tephra as a secondary hazard of a volcano

Question 8

It’s a tsunami of primary or secondary hazard of the volcano?

Answer 8

Tsunamis are a secondary hazard as a volcano

Question 9

Why do people live in Volcanic areas (3 reasons)

Answer 9

1.volcanic ash ( ash breaks down to make that also making it easy to plant and grow crops)
2.valuable minerals . (Volcanoes bring valuable minerals to the surface including sulphur which can be sold)
3. Heritage (some families have lived in volcanic areas for decades creating strong cultural ties and making it difficult to move somewhere else)


Question 10

What is a tsunami?

Answer 10

The displacement of seawater which causes a tsunami wave which happens when volcanic islands suffer from a landslide during an eruption

Question 11

What is Tephra?

Answer 11

all solid material is erupted into the atmosphere by a volcano. Lots of it is ash but some can include builders if the eruption is explosive enough.

Question 12

Is Lahar a primary or secondary hazard of a volcano?

Answer 12

Lahar is a secondary hazard of a volcano

Question 13

what is Lahar?

Answer 13

When volcanic ash mixes with the water (river, rain) it can create fast moving, deadly mud flowwhich sets like concrete when stopped