Soil & Sediment
Clue: This soil particle is tiny, gritty, and larger than silt.
Answer: What is sand?
Clue: This process breaks down rock into smaller pieces.
Answer: What is weathering?
Clue: Movement large amounts of material down a slope is generally called this.
Answer: What is an Avalanche?
Clue: A low area between hills or mountains.
Answer: What is a valley?
Clue: A pointed mineral formation hanging from the ceiling of a cave.
Answer: What is a stalactite?
Clue: This soil type feels soft like flour and is smaller than sand.
Answer: What is silt?
Clue: Weathering caused by temperature changes, wind, or water.
Answer: What is physical weathering?
Clue: A fast-moving fall of snow and ice down a mountain.
Answer: What is a snowslide?
Clue: A deep valley with steep cliffs, often carved by a river.
Answer: What is a canyon?
Clue: A pointed formation growing upward from the cave floor.
Answer: What is a stalagmite?
Clue: This material is made of the smallest particles and gets sticky when wet.
Answer: What is clay?
Clue: Weathering caused when water or air reacts with rock.
Answer: What is chemical weathering?
Clue: When rocks—not snow—slide down a slope.
Answer: What is a rockslide?
Clue: A wide, flat area of land with few hills.
Answer: What are plains?
Clue: These caves form when acidic water dissolves limestone.
Answer: What are solution caves?
Clue: These three materials together form the basic types of soil particles
Answer: What are sand, silt, and clay?
Clue: When a tree’s roots grow into rock cracks and break them apart, this type of weathering occurs.
Answer: What is biological weathering?
Clue: This process moves rock pieces from one place to another.
Answer: What is erosion?
Clue: A tall hill with steep sides and a flat top—bigger than a butte.
Answer: What is a mesa?
Clue: These caves form when the outer layer of lava cools and the inside drains away.
Answer: What are lava caves?
Clue: Arrange these from largest to smallest: clay, sand, silt.
Answer: What is sand, silt, clay? (largest → smallest)
Clue: This word describes the dropping or settling of sediment after it has been moved.
Answer: What is deposition?
Clue: These giant, slow-moving rivers of ice reshape the land beneath them.
Answer: What are glaciers?
Clue: A coral island shaped like a ring around a lagoon.
Answer: What is an atoll?
Clue: These coastal caves are carved out by waves hitting rock cliffs.
Answer: What are sea caves?