Rocks SATs type questions Hand in on Tuesday 23rd May to S6 – make a pile on the shelf near the board 1. The diagram shows a volcano erupting. not to scale (a) (b) Look at the diagram. Give the letter which labels: (i) magma; ............ 1 mark (ii) liquid lava; ............ 1 mark (iii) old solid rock. ............ 1 mark When magma and lava cool, they form a hard crystalline rock. What is the name of this type of rock? Tick the correct box. igneous rock metamorphic rock sedimentary rock (c) 1 mark The changes listed below take place when a volcano erupts. Which one of these changes could be reversed? Tick the correct box. Old rock is heated to form a different rock. Sulphur burns to form sulphur dioxide. Water is heated to form water vapour. Hartismere High School 1 mark 14 (d) Ash from a volcano dropped into a lake. All the fish in the lake were killed and buried under the ash in the mud at the bottom of the lake. The photograph below shows the remains of a fish millions of years later. (i) The photograph shows the body parts which supported the fish. Give the name of these body parts. ............................................................................................................. 1 mark (ii) Give the name for animal and plant remains that are found in a rock after millions of years. ............................................................................................................. 1 mark Maximum 7 marks 2. The diagram shows four different layers of sedimentary rock in a cliff. (a) Which layer of , A, B, C or D, is probably the oldest? ............................................................................................. (b) 1 mark Igneous rock is formed when magma cools. Choose from the following words to complete the sentences below. gas liquid metal solid (i) Igneous rock is a ....................................................... 1 mark (ii) Magma is a ............................................................... 1 mark Hartismere High School 24 (c) Rocks are put into groups according to the way they are formed. The groups are igneous, metamorphic and sedimentary. (i) To which group does sandstone belong? .................................................................................................. (ii) 1 mark In which group are fossils never found? .................................................................................................. 1 mark Maximum 5 marks 3. The action of the weather and plants on rocks or building materials is called weathering. The material is damaged but nothing gets taken away. When material is broken down and removed from the area the process is called erosion. (a) For the examples described in the table, tick one box in each row to show if the example is weathering, erosion or neither. example weathering erosion neither The stones in an old wall have been pushed apart by the roots of weeds. An old granite gravestone is still smooth and shiny. Aclay flower pot in the garden has crumbled and broken into pieces during the winter. Some soil has been washed froma flower bed by rain. 4 marks (b) How does water cause weathering of a brick? .......................................................................................................................... .......................................................................................................................... 1 mark Maximum 5 marks Hartismere High School 34 4. The drawing shows a new statue made of sandstone. After some years the statue will look different because of weathering. (a) Describe two ways in which the statue will look different because of weathering. 1. .................................................................................................................. .................................................................................................................. 2. .................................................................................................................. .................................................................................................................. 2 marks (b) Tick two ways in which the weathering of the statue can take place. Water on it freezes. The weather around it becomes warm. Plants grow on it. Atmospheric pressure on it increases. 2 marks (c) Another statue was made from limestone. Rain makes limestone weather more quickly than sandstone. What substance in the rainwater causes this? ...................................................................................................................... 1 mark Maximum 5 marks Remember: hand this in to S6 on Tuesday at the LATEST as this will help me determine who gets the commendations for this half term. Mr Sharp. Hartismere High School 44