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What Are Landslides

Interactive passage with audio narration, comprehension questions, and printable PDF.

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Format: Interactive (Online), Printable (PDF)
Grades: 5678
Subjects: scienceela
Standards: MS-ESS2-2
Languages: English, Spanish

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What's included

Reading passage

Reading comprehension

Audio narration

With word word highlighting

Comprehension quiz

Auto-graded

Writing activity

Open-ended response

Glossary & flashcards

Vocabulary practice

Differentiated version

Adapted for varied levels

Spanish translation

Bilingual support

About this reader

This comprehensive middle school science passage explores landslides and mass movement, aligned with NGSS MS-ESS2-2 and MS-ESS2.A Earth's Materials and Systems. Students learn how landslides occur when rock and soil suddenly break loose and rush down slopes, driven by gravity. The passage examines common triggers including heavy rain, earthquakes, volcanic eruptions, and human activities like construction. Real-world examples help students understand how landslides reshape landscapes and pose serious hazards in mountainous areas. Audio-integrated content supports diverse learners. The lesson includes differentiated reading passages in English and Spanish, vocabulary glossary, multiple-choice comprehension questions, writing activities, and graphic organizers. Students connect Earth science concepts to real-world dangers, understanding how the same gravitational forces that shape landscapes over millions of years can dramatically transform hillsides in seconds. Perfect for grades 6-8 Earth science curriculum focusing on weathering, erosion, and natural hazards.

Written by Workybooks TeamPublished by Workybooks

Sample passage and quiz content

CONTENT PREVIEW

A scenic mountain road blocked by large rocks from a landslide with a snowy peak in the background. — "A mountain road blocked by large rocks from a landslide with a snowy peak in the background." by pierre matile / Pexels.

A landslide is one of the most dramatic and dangerous forms of mass movement, the downhill movement of rock, soil, and debris under the force of gravity. In a landslide, a large amount of material suddenly breaks loose from a slope and rushes downward, sometimes in just seconds. Scientists explain that landslides can reshape entire hillsides in moments, making them serious natural hazards in mountainous regions around the world.

Evidence shows that several factors can trigger a landslide. Heavy rain is one of the most common causes because water soaks into the ground and adds weight to the soil. The water also reduces friction between soil particles, making the material more likely to slide. Earthquakes can shake slopes apart, breaking the bonds that hold rock and soil in place. Volcanic eruptions may melt snow and ice rapidly, creating flows of water and debris. Human activities such as construction or road building can also trigger landslides by cutting slopes too steep or removing vegetation that holds soil together.

Once the material starts moving, gravity pulls it downhill with tremendous force. The speed and size of a landslide depend on the slope angle, the type of material, and how much water is present. A large landslide can bury roads, destroy homes, and reshape entire valleys. In 2014, a massive landslide in Oso, Washington, buried a neighborhood and killed 43 people. Scientists observe that landslides are most common in areas with steep slopes, heavy rainfall, and weak or weathered rock.

Understanding landslides matters because these events pose real dangers to communities in hilly and mountainous areas. The same gravitational force that shapes Earth's surface over millions of years through erosion can also transform a hillside in a single afternoon. Scientists study past landslides and monitor slopes to predict where future landslides may occur. This research helps communities prepare and reduce risks in vulnerable areas.

Interesting Fact: The fastest landslides can travel at speeds over 200 miles per hour, faster than most cars on a highway!

What is a landslide?

A slow movement of water down a riverA rapid downhill movement of rock and soil caused by gravityThe gradual wearing away of mountains over millions of yearsA type of earthquake that shakes the ground

Which of the following is a common trigger for landslides?

Sunny, dry weatherHeavy rainfall that soaks the groundStrong winds blowing across flat plainsThe phases of the moon

What does the term 'mass movement' mean in the passage?

The movement of people from one place to anotherThe downhill movement of rock, soil, and debris under gravityThe upward movement of magma in a volcanoThe circular movement of ocean currents

How does water contribute to landslides?

It adds weight to soil and reduces friction between particlesIt makes the ground harder and more stableIt freezes the soil in placeIt has no effect on landslides

According to the passage, what happened in Oso, Washington in 2014?

A small earthquake caused minor damageA volcanic eruption destroyed several townsA massive landslide buried a neighborhood and killed 43 peopleHeavy rain caused flooding but no landslides

Based on the passage, which area would most likely experience frequent landslides?

A flat desert with little rainfallA mountainous region with steep slopes and heavy rainA coastal area with sandy beachesA grassland with gentle rolling hills

Why do scientists study past landslides and monitor slopes?

To predict where future landslides may occur and help communities prepareTo find valuable minerals in the soilTo create more landslides for researchTo prove that landslides are not dangerous

How can human activities trigger landslides?

By planting more trees on hillsidesBy cutting slopes too steep or removing vegetation during constructionBy reducing rainfall in an areaBy making the ground more stable

True or False: Landslides always move slowly over many years.

TrueFalse

True or False: The same force of gravity that causes landslides also shapes Earth's surface through erosion over millions of years.

TrueFalse