Weathering, Erosion, Deposition, Fossils, and Sedimentary

1. What are fossils?

• A. Pieces of rock formed by volcanoes
• B. The remains or traces of ancient plants and animals
• C. Layers of hardened lava
• D. Minerals found deep in Earth

2. Where are fossils most often found?

• A. Igneous rocks
• B. Metamorphic rocks
• C. Sedimentary rocks
• D. Lava flows

3. What do fossils tell scientists?

• A. The names of living animals today
• B. How mountains form
• C. About past life and environments
• D. The color of ancient rocks

4. What are sediments?

• A. Liquids that form inside volcanoes
• B. Small pieces of rocks, soil, and organic material
• C. Lava that cools quickly
• D. Large boulders found in rivers

5. Which of the following is an example of a sediment?

• A. Sand
• B. Coal
• C. Granite
• D. Diamond

6. How are sedimentary rocks formed?

• A. By cooling lava
• B. By heat and pressure deep underground
• C. By the compaction and cementation of sediments
• D. By melting and cooling again

7. What are the steps that lead to sedimentary rock formation?

• A. Melting → Cooling → Crystallizing
• B. Weathering → Erosion → Deposition → Compaction and Cementation
• C. Freezing → Thawing → Melting
• D. Compression → Expansion → Evaporation

8. Which of the following is an example of a sedimentary rock?

• A. Basalt
• B. Granite
• C. Sandstone
• D. Marble

9. What is weathering?

• A. The process of forming fossils
• B. The breaking down of rocks into smaller pieces
• C. The movement of rocks from one place to another
• D. The laying down of sediments

10. Which statement best describes physical weathering?

• A. Rocks change into new substances
• B. Rocks break apart without changing their chemical makeup
• C. Rocks melt and cool
• D. Rocks are dissolved by acid