Froggy Jumps Rocks Quiz: Igneous & SedimentaryVersion en ligne Test your rock knowledge. par Courtney Bezdek 1 Q1: Which factor most affects igneous rock texture? a B) Magma Cooling rate b C) Cement minerals c A) Color 2 Q2: Which rock is formed from plant material? a A) Limestone b B) Coal c C) Basalt 3 Q3: Which process forms sedimentary rock? a D) Eruption b A) Melting and cooling c B) Weathering and erosion 4 Q4: Which of the following is foliated and made from shale? a C) Slate b A) Marble c B) Quartzite 5 A rock's texture is determined by... a Size, Shape, and Position of the grains b Chemical Makeup and Mineral Content c Color, Size and Temperature 6 Light-Colored igneous rocks rich in aluminum, potassium, silicon, and sodium are known as what? a Mafic b Sills c Felsic 7 What kind of rock is formed when magma cools and hardens? a Igneous b Metamorphic c Sedimentary 8 Classic sedimentary rocks have coarse, medium, or fine... a Color b Texture c Size 9 Fossiliferous limestone is made of what? a Fossils, remains or plants and animals b Crystallized minerals such as sea water c Calcium carbonate from skeletons and shells of sea creatures 10 The process of sedimentary rocks arranging in layers is known as a Stratification b Erosion c Weathering