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by BlastRoom
Identify volcanic eruptions, earthquakes, and landslides and tell fast changes from slow ones.
#earth_changes#us_grade_3_science
20 questions
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Answer, then tap to leap the frozen ridge.
Hot melted rock burst out of the top of a mountain and flowed down its side. What rapid change was that?
The ground shook hard for about a minute, and long cracks opened across a street. What rapid change was that?
Loose rock broke away from a steep slope and slid down onto a hiking trail. What rapid change was that?
A mountain sent a tall cloud into the sky, and gray ash later covered the roofs of a nearby town. What rapid change was that?
After a heavy storm, mud, rock, and broken trees sat in a pile at the bottom of a steep hill. What rapid change left them there?
Which rapid change can build a new hill out of melted rock that cools and hardens?
After a strong earthquake, one side of a country road sat higher than the other side. What did the shaking do to the land?
Shaking lasted less than a minute in a city, and people ran outside. What can that shaking do to the buildings there?
A landslide carried rock and soil from a hillside down to the valley floor. What happened to the hillside itself?
Lava flows slowly down a mountain toward a village below. What does the lava do to the houses in its path?
A landslide can change the shape of a hillside in a very short time.
Ash from a volcanic eruption can fall on farm fields far away from the mountain.
Waves slowly wearing away a rocky shore over many years is a rapid change to Earth's surface.
A river wears a canyon deeper over thousands of years, and a hillside slides down in one night. Which one is the rapid change?
Wind smooths a desert rock over many years, and an earthquake splits the ground in seconds. Which one is the rapid change?
In one afternoon, rock and mud slid down a mountainside to the valley floor below. How did this change the valley floor?
Rain soaked a steep hillside for three days, and then the wet soil began to move downhill. What rapid change is starting?
A small town sits at the bottom of a steep slope covered with loose rock. What rapid change should the people there plan for?
An earthquake shakes a steep hillside that is already soaked with rain. What can happen to the hillside next?
What do volcanic eruptions, earthquakes, and landslides have in common?
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Water on Earth
20 questions
