Remidial in Earth Science

Michaela is examining layers of rock exposed in a cliff. The rock layers are made up of compacted sediments like sand, mud, and pebbles. The layers show evidence of deposition over time. What type of rock is Michaela observing?

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Volcanic rock

Joe finds a rock that contains fossils of ancient marine life and was formed from sediments deposited in a water environment. What type of rock is Joe most likely examining?

• Sedimentary rock

• Metamorphic rock

• Igneous rock

• Extrusive rock

Jen finds a rock with a bubbly texture and a low density. It has formed from volcanic lava that cooled quickly. What type of rock is she examining?

• Granite

• Pumice

• Rhyolite

• Marble

Ara is examining a rock formation in a canyon. She notices that the rock layers are horizontally aligned but have been tilted. What type of geological process is most likely responsible for this observation?

• Erosion

• Sedimentation

• Tectonic activity

• Volcanic activity

Bon is exploring a mountainous region and finds a rock that has large, visible crystals and a coarse texture. This rock is formed from the cooling of molten magma beneath the Earth's surface. What type of rock did Bon most likely find?

• Sedimentary rock

• Igneous rock

• Metamorphic rock

• Organic rock

Rain is investigating a rock that has been subjected to high pressure and temperature, causing it to change its mineral composition and structure. She notices foliation and banding in the rock. What type of rock is Rain analyzing?

• Metamorphic rock

• Igneous rock

• Sedimentary rock

• Plutonic rock

A rock in a riverbed is smooth and rounded. This suggests that the rock has undergone which of the following processes?

• Chemical weathering

• Physical weathering

• Metamorphism

• Erosion

Flyn finds a rock that cooled quickly from molten lava and has a glassy texture. Which of the following rocks is he most likely examining?

• Granite

• Obsidian

• Basalt

• Schist

Inah is examining a rock that appears to be composed of compacted clay and silt with a smooth texture. This rock was formed in a calm, deep-water environment. What type of rock is Inah observing?

• Shale

• Sandstone

• Slate

• Conglomerate

Mark is studying a rock with visible layers that appear to be formed by the deposition of sediments. The rock feels gritty and has fossils embedded in it. What type of rock is he likely examining?

• Shale

• Conglomerate

• Sandstone

• Limestone