How are volcanoes made? | Exit Quiz | Oak National Academy

An active volcano has had at least one eruption in the last 10,000 years.

• False

• True

Volcanoes are formed… (choose two options)

• when tectonic plates collide and one plate is pushed beneath another.

• when tectonic plates move around each other..

• when tectonic plates move away from one another.

• when tectonic plates remain still.

Which statement describes a shield volcano?

• Lava does not flow as far. Many layers of hardened lava build up a steep volcano after repeated eruptions.

• Lava flows easily so a broad volcanic mountain is built up over time by repeated eruptions.

Which statement describes a stratovolcano?

• Lava does not flow as far. Many layers of hardened lava build up a steep volcano after repeated eruptions.

• Lava flows easily so a broad volcanic mountain is built up over time by repeated eruptions.

Which statement describes a stratovolcano?

• Lava does not flow as far. Many layers of hardened lava build up a steep volcano after repeated eruptions.

• Lava flows easily so a broad volcanic mountain is built up over time by repeated eruptions.