An opening in the earth's crust through which lava, ash, and gases flow or are forced out is ____.

• a volcano

• pollution

• volcanic ash

Sharp bits of solid lava that can travel for many kilometers straight up into the air are called ____.

• a volcano

• pollution

• volcanic ash

Any substance that harms the earth's land, air, or water is called ____.

• lava

• pollution

• volcanic ash

Magma that flows from an opening in the earth's crust is called ____.

• lava

• pollution

• volcanic ash

Volcanoes are more likely to erupt ____.

• away from the plate boundaries

• in the middle of a desert

• near the plate boundaries

Which ideas would limit the harm to people from a volcano? Pick two!

• People could watch the volcano erupt.

• People could move away from danger.

• Scientists could warn people to leave the area if a volcano might erupt soon.

• Scientists could stop volcanoes from erupting.

Which of the following are possible dangers of volcanoes? Pick 3

• Flash flooding can occur quickly.

• Hot lava can cause fires to spread rapidly.

• Landslides can block roads and bury homes.

• Volcanic ash and gases can be harmful to people.

Scientists study earthquakes for many reasons. What are some benefits from studying earthquakes? Pick 2

• Keeping people safe shows love for others and brings glory to God.

• Scientists can plan when earthquakes will happen.

• Scientists can study earthquakes to make them stop.

• Studying earthquakes helps keep people safe.

Yuli is reading about floods. How can she know that a worldwide flood will not happen again? Pick 2!

• God promised that He would never flood the whole earth again.

• The earth is too large to be completely covered in water.

• The rainbow is a reminder of God’s promise to never flood the whole earth again.

• There is not enough water in the clouds to flood the whole earth.

The outside layer of the earth, made mostly of rock, is called the ___.