What is a volcano?

A ________ is a mountain made of cooled lava and ash.

How many active volcanoes are there in the world today?

• Approximately 800 active volcanoes
• Around 2,000 active volcanoes
• About 500 active volcanoes
• Approximately 1,500 active volcanoes

What is the name of the world's largest active volcano?

• Kilauea
• Mount St. Helens
• Mauna Loa
• Mount Fuji

Magma is extremely hot, molten __________.

• gas
• liquid
• ice
• rock

When magma reaches the surface of the Earth, it becomes ________.

Choose the correct word to complete the sentence below.

"_________ happens when gas bubbles inside the magma gets bigger and cuases pressure inside the mountain."

• Volcanic eruption
• Landslide
• Tsunami
• Earthquake

Where is the Ring of Fire located?

• The Ring of Fire is located in the Indian Ocean.
• The Ring of Fire is located in the Atlantic Ocean.
• The Ring of Fire is located around the Pacific Ocean.

How many volcanic stages are there?

• 2
• 3
• 4
• 5

A _________ volcano has not erupted in a long time but it may erupt in the future.

Which one below is not one of the materials that you need to make your modal volcano?

• a plastic cup or bottle

• some vinegar

• some baking soda

• a pan