23/04/2020 British Lower Secondary/Junior Checkpoint Mock Exams(Science) 23/04/2020 0Comments by Gate Academy Welcome to your British Lower Secondary/Junior Checkpoint Mock Exams(Science) NAME EMAIL PHONE NUMBER 1. Plants and green algae need mineral salts to grow.One mineral salt is magnesium sulfate. Taraoluwa and Kafeel investigate the growth of algae.They put different concentrations of magnesium sulfate solution into five flasks, A, B, C, D and E.They then add the algae. Why did they leave the flasks for 5 days? to see if the algae will die to have a fair test so the algae could grow to control a variable 2. This is a question about forces.Look at the diagrams below.Which diagram shows a turning force? E C B D 3. Here are some statements about the solar system.A. The Earth orbits the Sun.B. The Earth spins on its axis.C. The Moon orbits the Earth.D. The stars orbit the Sun.E. The Sun orbits the Earth.What letter of the statement answers this question.Why do some stars appear in the summer night sky but not in the winter night sky? B C A E D 4. The diagram shows the energy flow into and out of a coal-fired power station. How much useful electrical energy is provided by the power station? 300 MJ 400MJ 1400 MJ 1000 MJ 600 MJ 5. Tireni whistles three notes into a microphone connected to an oscilloscope.An oscilloscope shows the shape and size of a sound wave.The diagram below shows the waves for whistle 1 and whistle 2. Use words from the list below to complete this sentence.less than the same as greater than The amplitude of whistle 1 is .................................. the amplitude ofwhistle 2. greater than the same as less than not enough information 6. This list shows properties that different materials can have. A. magnetic E. good conductor of heat B. can be compressed F. poor conductor of heatC. very high melting point G. good conductor of electricityD. very low melting point H. non conductor of electricity Write down the letter of the property that answers this question.Which property from the list explains why a lot of oxygen gas can be pumped into a very small container? B G E A 7. Zainab has five chickens.Here is some information about her chickens. Other qualities can be used when selectively breeding chickens.Pick the most useful low life expectancy amount of milk produced number of feathers size of eggs 8. The diagram shows the energy flow into and out of a coal-fired power station. How much useful electrical energy is provided by the power station? 600 MJ 1400 MJ 400MJ 1000 MJ 300 MJ 9. Look at the table.It shows the melting points and boiling points of some elements. Use the table to answer the question below.Which element is a liquid at room temperature (20°C)? gold oxygen sodium mercury iron 10. Some metal railings have started to rust. All BUT ONE are ways to prevent railings from rusting? galvanise paint cover the railings coat in oil 11. Here are some statements about the solar system.A. The Earth orbits the Sun.B. The Earth spins on its axis.C. The Moon orbits the Earth.D. The stars orbit the Sun.E. The Sun orbits the Earth.What letter of the statement answers this question.What did Copernicus and Galileo think was wrong? E B A C D 12. The alimentary canal consists of many different organs.Below is an image of the alimentary canal. What is the function of the stomach? it absorbs water it is where food is chewed into smaller pieces it digests proteins, carbohydrates and fats and absorbs water, amino acids, sugars and fatty acids it is where food is mixed up into a creamy liquid 13. Rocks in the Earth’s crust are classified by the way that they are formed.Complete the sentences about rock formation.Choose words from the list. igneous metamorphic sedimentary...........................rocks are formed when molten lava from a volcano cools down. metamorphic sedimentary none of the above igneous 14. The diagram shows a palisade cell.Which one structure, labelled in the diagram, is not found in animal cells? cytoplasm cell membrane nucleus vacuole 15. Tireni whistles three notes into a microphone connected to an oscilloscope.An oscilloscope shows the shape and size of a sound wave.The diagram shows the waves for whistle 2 and whistle 3.Compare the pitch of whistle 2 and whistle 3. whistle 2 is the same as whistle 3 whistle 2 is lower than whistle 3 whistle 3 is lower than whistle 2 not enough information 16. The alimentary canal consists of many different organs.Below is an image of the alimentary canal. What is the name of part A? oesophagus alimentary canal tongue trachea 17. Given the table below. Decide if the information indicates that the element is a metal or a non-metal. C and D in order metal, non-metal non-metal, non-metal metal, metal non-metal, metal 18. Rocks in the Earth’s crust are classified by the way that they are formed.Complete the sentences about rock formation.Choose words from the list. igneous metamorphic sedimentary...........................rocks are made from grains of rock that are cemented(stuck) together. metamorphic igneous sedimentary all of the above 19. Hassan does an experiment to find the maximum friction force between a wooden block and different surfaces.Here are his results.Hassan repeated the measurements for each surface three times. All of these are reasons he did EXCEPT unusual results get the largest value checking reliability identify anomalous 20. Some metal railings have started to rust. Which metal were the railings made of? aluminium lead iron copper 21. Chidi makes a prediction.How does the information in the table support Prediction 2? Earth is cooler than Mars but closer to the Sun Earth is hotter than Mars but farther to the Sun Earth is cooler than Mars but farther to the Sun Earth is hotter than Mars but closer to the Sun 22. In italic is a part of a plant Choose from the list the correct function of the Root transport of water and minerals absorption of water photosynthesis reproduction 23. Zainab has five chickens.Here is some information about her chickens. Zainab wants to increase the number of eggs per year by using selective breeding.Which two chickens should she breed together? Coo and Lam Jeb and Lam Abb and Lam Fen and Lam 24. Poor diets can cause health problems.Iman and Mike look at information about the amount of fat and fibre in different fruits. Name the two fruits with the highest amount of fibre. strawberry and pineapple pineapple and banana banana and orange pineapple and kiwi fruit 25. This list shows properties that different materials can have. A. magnetic E. good conductor of heat B. can be compressed F. poor conductor of heatC. very high melting point G. good conductor of electricityD. very low melting point H. non conductor of electricity Write down the letter of the property that answers this question.Which property from the list explains why plastic makes a good material for the handle of a kettle? F B D H 26. Poor diets can cause health problems.Choose phrases from the listHeart disease Tooth decay High blood pressure Little energy Poor growthToo little protein causes which health problem? little energy poor growth High blood pressure heart disease 27. In italic is a part of a plant Choose from the list the correct function of the Stem transport of water and minerals absorption of water reproduction photosynthesis 28. Poor diets can cause health problems.Iman and Mike look at information about the amount of fat and fibre in different fruits. Mike thinks the information in the table is not a fair comparison because thefruits are different shapes.Lee thinks it is not a fair comparison but he knows that the shape of the fruit isnot important.What measurement can't they use to make it a fair comparison? volume temperature mass size 29. The diagram shows a palisade cell.Which one structure, labelled in the diagram, is not found in animal cells? cell membrane cytoplasm nucleus cell wall 30. Zainab has five chickens.Here is some information about her chickens. Other qualities can be used when selectively breeding chickens.Pick the two qualities that are the most useful size of eggs, resistance to disease low life expectancy, amount of milk produced resistance to disease, number of feathers size of eggs, amount of milk produced 31. The giant panda lives in China.The diagram shows a simple food web involving the panda. Name one primary consumer in the food web. water plants snails bamboo plant fish 32. Safia investigates the reaction between magnesium ribbon and dilute sulfuric acid.In each experiment Safia uses 25 cm³ of sulfuric acid.She records the temperature of the acid and then adds some magnesium ribbon.When the magnesium has finished reacting she records the temperature of the acid again.Safia does this experiment six times as shown below.Each time she uses a different length of magnesium ribbon. The reaction between magnesium and sulfuric acid releases energy.What is the name given to a reaction that releases energy? heat endothermic exothermic intrinsic 33. The diagram shows part of an electromagnet. Which material is used to make part A.Choose words from the list.air copper glass iron paper air copper glass iron 34. Complete the explanation using these words belowarea force pressure A sharp knife cuts through bread more easily than a blunt knife.The edge of the sharp knife has a smaller ..................................... so the................................ acting on the knife produces a larger .................................. . 35. Some metal railings have started to rust. Which two substances must be present for the railings to rust? carbon dioxide, hydrogen oxygen, water hydrogen, nitrogen carbon dioxide, oxygen nitrogen, water 36. The giant panda lives in China.The diagram shows a simple food web involving the panda. Name one primary consumer in the food web. bamboo plant water plants giant panda fish 37. This is a question about forces.Look at the diagrams below.Which diagram shows a turning force? C A D B 38. Zainab has five chickens.Here is some information about her chickens. Zainab chooses chickens to breed from the offspring.Which ones should she choose? any one female with the male not enough information the ones that produce the less eggs the ones that produce the most eggs 39. The alimentary canal consists of many different organs.Below is an image of the alimentary canal. What is the function of the small intestine? it absorbs water it is where food is mixed up into a creamy liquid it digests proteins, carbohydrates and fats and absorbs water, amino acids, sugars and fatty acids it is where food is chewed into smaller pieces 40. In italic is a part of a plant Choose from the list the correct function of the Flower photosynthesis absorption of water reproduction transport of water and minerals 41. Poor diets can cause health problems.Choose phrases from the listHeart disease Tooth decay High blood pressure Little energy Poor growthToo much sugar causes which health problem? heart disease High blood pressure poor growth tooth decay 42. Poor diets can cause health problems.Choose phrases from the listHeart disease Tooth decay High blood pressure Little energy Poor growthToo much fat causes which health problem? little energy heart disease High blood pressure poor growth 43. Poor diets can cause health problems.Choose phrases from the listHeart disease Tooth decay High blood pressure Little energy Poor growthToo little carbohydrate causes which health problem? High blood pressure tooth decay poor growth little energy 44. A car is driving along a road. What type of motion is exhibited by the car? vibrational oscillatory rotational translational random 45. The diagram shows part of an electromagnet. Which material is used to make part B.Choose words from the list.air copper glass iron paper copper iron paper glass 1 out of 45 Time is Up! Time's up
