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A farmer notices that the rocks in his field are breaking into smaller pieces, but they haven't moved from their original location. Which process is occurring?
weathering is breaking down the rocks
A metal gate left outside for several years turns reddish-brown and flaky. What process caused this change?
oxidation combined the metal with oxygen
Why do mountains take millions of years to form, even though the forces creating them are constantly active?
Exogenic processes wear mountains down as endogenic processes build them up
Why is the inner core solid even though it's the hottest layer of Earth?
Extreme pressure prevents the metal from melting
In the water cycle, what happens immediately after water evaporates from the ocean?
It rises as water vapor into the atmosphere
Scientists observe a river carrying sediment downstream and dropping it where the water slows down. Which two processes are working together in this scenario?
erosion and deposition
A student claims that landforms are permanent features that never change. What evidence would best disprove this claim?
Photographs showing a canyon that has deepened over 100 years
Which statement best explains why a hoodoo (tall, thin rock column) has a wider top than bottom
different rock layers erode at different rates
A geologist studying a mountain range wants to understand both the forces building it up and the forces wearing it down. Which processes should she study?
Both endogenic and exogenic processes, because they work together
A teacher shows students two photographs of the same coastline taken 50 years apart. The newer photo shows the cliff has moved backward by 10 meters. Which combination of processes best explains this change?
Weathering breaking down the cliff and erosion carrying material away
A scientist observes that a glacier is carrying rocks and soil down a mountain valley. When the glacier melts, these materials are left behind. Which sequence of processes is occurring?
Weathering → Erosion → Deposition
Which scenario demonstrates all four types of erosion working in the same location?
A coastal area with waves, a river, wind, and a melting glacier nearby
How do Earth's three major cycles (water, rock, and carbon) demonstrate that Earth's systems are interconnected?
Water, rocks, and carbon move between Earth's systems and change form
Which layer of Earth is responsible for Earth's magnetic field because it contains moving liquid metal?
Outer Core
Two students are debating Earth's structure. Student A says the crust is most important because we live on it. Student B says the mantle is most important because it's the thickest. What would be the most scientifically accurate response?
Both are partially right; all layers work together to make Earth function
In the rock cycle, sedimentary rocks can become metamorphic rocks through heat and pressure. Which Earth layer is most likely responsible for providing this heat and pressure?
Mantle
If you traveled from Earth's surface to its center, which sequence of layers would you pass through?
Crust → Mantle → Outer Core → Inner Core
A geologist finds a layer of rock at Earth's surface that contains fossils of ancient sea creatures. What does this suggest about Earth's processes?
Landforms and their positions can change over time
A rock formation shows evidence of both chemical and physical weathering. Which observation supports that both types occurred?
The rock shows cracks from ice and rust stains from oxidation
A student argues that the mantle must be the least important layer because it's in the middle. What evidence contradicts this reasoning?
The mantle is the thickest layer and its movement drives plate tectonics
name 2 dwarf planets double down
pluto and eris
This is the largest organ in the human body, protecting us and helping control body temperature.
skin
This is a state of matter that has a fixed shape and a fixed volume.
double down
solid
This is a simple machine, like a seesaw, that helps lift heavy loads using a pivot point.
double down
lever
This is the fastest speed known in the universe, traveling at about 670 million miles per hour
double down
light