Complete the sentences below. Choose from the words in the list. air light support water minerals

Transcription

1 Q1. Bindweed is a plant that grows tightly around other plants. The drawing below shows bindweed growing around a rose bush. (a) Complete the sentences below. Choose from the words in the list. (i) air light support water minerals Bindweed grows as high as possible on the rose bush so that the bindweed can get as much... as possible. Bindweed grows around the rose bush because the rose bush provides... for the bindweed. (b) A gardener cut through the stem of the bindweed at X. Two days later the bindweed above X was dead. Why did the bindweed die? Tick the correct box. no air no light no warmth no water (c) The gardener adds fertiliser to the soil to help her rose bushes to grow well. What do plants get from the fertiliser? Tick the correct box. acids minerals sugars vitamins Page 1 of 26

2 (d) Plant roots have root hairs. Which diagram shows a root hair? Tick the correct box. not to scale maximum 5 marks Q2. The diagram shows a plant cell. Some parts of the cell are named. (a) Which two named parts are present in plant cells but not animal cells? marks Page 2 of 26

3 (b) Which named part contains the genetic information?... (c) Which named part absorbs light energy for photosynthesis?... (d) Name the part labelled X on the drawing.... (e) Where in a plant would you find a cell like the one in the diagram? Tick the correct box. in the centre of a root in the lower surface of a leaf near the upper surface of a leaf near the surface of a root Maximum 6 marks Q3. The diagram shows a plant cell. (a) (i) The cell is from a leaf. Give the name of the part which is present in this leaf cell but not present in root cells.... Give two parts, labelled on the diagram, which are not present in animal cells marks Page 3 of 26

4 (b) The five parts of the cell labelled on the diagram have different functions. In the table below, write the name of the correct part of the cell next to its function. One has been done for you. 4 marks Maximum 7 marks Q4. The diagram below shows a cell from the inside of a human cheek. (a) On the diagram, label parts A, B and C. 3 marks (b) Plant cells have some parts which animal cells do not have. Name two of these parts marks Maximum 5 marks Page 4 of 26

5 Q5. Sam made a model cat. He mixed modelling powder with water. He poured all of the mixture into a mould. He covered the mould with plastic film so that water could not evaporate. (a) (i) After 10 minutes, Sam removed the model cat from the mould. Sam had mixed 40 g of modelling powder with 12 g of water. What was the mass of the model cat?... g Complete the sentence below using words from the list. gas liquid solid vapour After 10 minutes, the mixture in the mould changed from a... into a... 2 marks Page 5 of 26

6 (b) Sam attached a small magnet to the model cat. The magnet was attracted to the fridge door. What metal are magnets made from?... (c) Sam made another model, B. He attached a small magnet to model B. (i) Sam placed model A next to model B. The magnets attracted each other. Label the poles on the magnet on model B Use the letters N and S. Sam then turned the magnet on model A around. What would happen to model B?... 2 marks maximum 5 marks Page 6 of 26

7 Q6. The list below shows properties that different elements can have. magnetic can be compressed very high melting point very low melting point good conductor of heat poor conductor of heat good conductor of electricity poor conductor of electricity (a) Which two properties from the list above make aluminium suitable for saucepans? marks (b) Which property in the list above explains why: (i) copper is used in the cable of a television?... a lot of oxygen gas can be pumped into a very small container?... Maximum 4 marks Q7. The thermometer drawn below can be used to measure the temperature of the human body. (a) (i) What is the lowest temperature this thermometer can measure?... C Page 7 of 26

8 What is the normal temperature of the human body? Tick the correct box. 37 C 39 C 41 C (iii) When we are ill our temperature may go up. A nurse can measure a child s temperature with two different thermometers as shown below. Give one reason why it is safer to use a plastic strip thermometer than a glass thermometer (b) Viruses are micro-organisms that can make us ill. Give the name of one other type of micro-organism that can make us ill.... (c) Alcohol and mercury are two liquids that can be used in glass thermometers. The table gives information about these liquids. liquid boiling point (ºC) colour alcohol 78 colourless mercury 357 shiny grey (i) A red dye is added to the colourless alcohol used in thermometers. Suggest a reason for this Page 8 of 26

9 Choose words from the list below to fill the gaps in the sentences. gas liquid solid When alcohol and mercury boil they both change from a liquid to a... A thermometer containing mercury can be used to measure the temperature of an oven at 150 C because mercury is a... at 150 C. maximum 7 marks Q8. Sarah wanted to find out how the length of a copper rod changes when it is heated. She fixed one end of the rod and allowed the other end to roll on a pin which had been put on a glass plate. A drinking straw, attached to the pin, showed the movement of the end of the rod. (a) (i) What happens to the motion of the copper atoms in the rod as it is heated? What happens to the average distance between the atoms of copper when the rod is heated? Page 9 of 26

10 (b) The graph shows the length of a copper rod at different temperatures. The rod was mm long at room temperature. (i) At what temperature has the rod increased its length by 1.0 mm? C The rod was mm long at room temperature. What will its length become if it is placed in melting ice at 0 C? mm Maximum 4 marks Page 10 of 26

11 Q9. Diagram A represents a gas in a container. The gas can be compressed by moving the piston to the right. (a) (i) How can you tell that the substance in the container is a gas? How can you tell from the diagram that the gas is pure? (b) The piston is moved to the right as shown in diagram B. How can you tell, from diagram B, that the pressure of the gas has increased? Page 11 of 26

12 (c) Diagram C shows what happened to the molecules after the gas was compressed more. (i) How can you tell that a chemical reaction happened when the gas was compressed? The mass of the gas in both diagrams B and C was 0.3 g. Why did the mass of the gas not change when it was compressed? (iii) Complete the table below with the correct chemical formula of each substance. Use the key to help you. (iv) What is the name of the substance represented by the symbol?... maximum 7 marks Page 12 of 26

13 Q10. Each of these things found in the home uses a different fuel. Draw one line from each item to the fuel it uses. Use each fuel only once. 3 marks Maximum 5 marks Page 13 of 26

14 Q11. Meera used the Internet to find out about energy resources. The drawing below shows what Meera saw on her computer screen Ask Jeeves, Inc (a) Coal is a fossil fuel. Give the names of two other fossil fuels in the list on the screen....and... 2 marks (b) (i) Wave energy is an example of a renewable energy resource. From the list on the screen above choose two other renewable energy resources....and... 2 marks Page 14 of 26

15 Meera found out how wave energy can be used to generate electricity. She saw the diagram below on the Internet. Each box below shows a stage in generating electricity. A The air turns the turbine. B The turbine turns the generator. C The waves move up the chamber. D The generator produces electricity. E The waves push the air up the chamber. On the lines below write the letters of the stages in the correct order. Two have been done for you....c a marks Maximum 6 marks Page 15 of 26

16 Q12. Oil is an important energy resource. It provides about 38% of the energy used for transport, heating and generating electricity. (a) The energy stored in oil came from the Sun. Describe how energy from the Sun became stored in oil marks (b) (i) Oil can be described as a non-renewable energy resource. Explain why Tick the boxes by two other non-renewable energy resources. coal wind solar tidal natural gas wave 2 marks Maximum 5 marks Page 16 of 26

17 Q13. Energy comes from a variety of sources. Complete the table below. The first one has been done for you. source of energy energy source directly from the Sun indirectly from the Sun not from the Sun nuclear hydro-electric solar geothermal oil 5 marks Page 17 of 26

18 M1. (a) (i) Light accept sunlight do not accept Sun 1 (L3) support 1 (L4) (b) no water if more than one box is ticked, award no mark 1 (L4) (c) minerals if more than one box is ticked, award no mark 1 (L3) (d) C if more than one box is ticked, award no mark 1 (L4) [5] M2. (a) cell wall answers may be in either order chloroplast accept vacuole do not accept X (b) nucleus do not accept chromosomes (c) chloroplast do not accept chlorophyll (d) vacuole accept sap accept the correct label written within the vacuole on the diagram or next to label X (e) near the upper surface of a leaf if more than one box is ticked, award no mark [6] Page 18 of 26

19 M3. (a) (i) chloroplast chloroplast answers may be in either order cell wall accept wall do not accept vacuole (b) part of the cell chloroplast nucleus cell wall accept wall cell membrane accept membrane [7] M4. (a) A: membrane B: nucleus C: cytoplasm (b) any two from cell wall chloroplasts accept chlorophyll large vacuole accept vacuole accept starch grain 2 (L6) [5] Page 19 of 26

20 M5. (a) (i) 52 accept liquid into a solid both states are required for the mark 1 (L3) 1 (L3) (b) any one from iron steel accept cobalt or nickel 1 (L4) (c) (i) N S both poles are required for the mark it would be repelled accept pushed away accept it would fall down or drop they would not attract is insufficient 1 (L3) 1 (L4) [5] M6. (a) very high melting point answers may be in either order good conductor of heat do not accept good conductor 1 (L3) 1 (L3) (b) (i) good conductor of electricity do not accept good conductor 1 (L3) can be compressed 1 (L4) [4] M7. (a) (i) C 1 (L3) 1 (L4) Page 20 of 26

21 (iii) any one from less chance of micro-organisms being passed on or spread glass could break accept less chance of germs being passed on accept might pass on disease accept a child might bite or swallow the thermometer if more than one box is ticked, award no mark mercury or alcohol or liquid could spill (if the glass thermometer broke) mercury is poisonous you could choke 1 (L3) (b) any one from bacteria fungi protozoa accept a named non-viral pathogenic micro-organism such as salmonella do not accept names of diseases do not accept germs 1 (L4) (c) (i) any one from so that alcohol can be seen accept so you can see it alcohol is difficult to see you cannot easily see a colourless liquid accept you cannot see a colourless liquid to make it easier to read the thermometer accept so you can read it 1 (L4) gas liquid answers must be in the correct order 1 (L3) 1 (L4) [7] Page 21 of 26

22 M8. (a) (i) any one from they vibrate further accept they vibrate more or faster they move faster accept they go faster do not accept they move about more or they collide more it increases accept it gets bigger or they move further apart (b) (i) (L5) 1 (L5) [4] M9. (a) (i) (molecules) are far apart or not touching each other accept only gases can be compressed the gas can be compressed is insufficient as it is given in the question accept they are randomly arranged there is only one type of molecule or compound or substance accept there is one type of particle do not accept there is only one type of atom or element 1 (L7) 1 (L7) (b) any one from the space or distance between the molecules or particles is smaller accept the volume is less accept atoms for particles the particles or they are closer together more particles are touching the sides accept particles hit the sides more often the particles are hitting the sides is insufficient if the gas is compressed the pressure rises is insufficient 1 (L7) Page 22 of 26

23 (c) (i) any one from new or different compounds have formed accept they are now joined in threes accept new combinations of particles or atoms there is more than one compound accept the compounds are different accept there is no longer a pure substance 1 (L7) any one from the same number of atoms are present accept mass is conserved the mass stays the same is insufficient nothing has been added to or lost the same atoms are present is insufficient nothing changed is insufficient the amount of gas stays the same is insufficient 1 (L7) (iii) NO accept ON N 2 O accept ON 2 NO 2 accept O 2 N all three answers are required for the mark 1 (L7) (iv) nitrogen oxide accept nitrogen monoxide accept nitric oxide 1 (L7) [7] Page 23 of 26

24 M10. award a mark for each correct line if more than one line is drawn from any item, or to any fuel, deduct one mark for each extra line; minimum mark zero accept central heating boiler coal accept central heating boiler gas accept fireplace gas [3] M11. (a) oil natural gas accept gas answers may be in either order 1 (L4) 1 (L4) (b) (i) any two from answers may be in either order wind solar tidal biomass geothermal 2 (L4) C E A B D if all three letters are correct, award two marks if one letter is correct, award one mark 2 (L4) [6] Page 24 of 26

25 M12. (a) one mark is for storing energy by photosynthesis; the other mark is for the formation of oil from living things living things use energy from the Sun to grow accept plants and animals store energy from the Sun oil is formed from the remains of living things accept oil is made of dead animals or plants 1 (L5) 1 (L5) (b) (i) because it cannot be replaced once it is used or because it takes a long time to form do not accept you cannot use it over and over again or it cannot be recycled coal 1 (L5) natural gas if more than two boxes are ticked, deduct one mark for each incorrectly ticked box minimum mark zero 1 (L5) [5] M13. energy source directly from the Sun indirectly from the Sun not from the Sun nuclear * hydro-electric * solar * geothermal * oil if more than one box is ticked in any row award no mark for that row [5] Page 25 of 26

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