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. Here are their results.All BUT ONE could complete the sentence below.As the concentration of magnesium sulfate increases from 1 to 5, the colour of the algae ........................................................................................................ colour of algae gets darker gets lighter / decreases colour of algae increases colour of algae gets greener gets lighter / decreases after concentration of 4 2. 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? 1000 MJ 1400 MJ 300 MJ 600 MJ 400MJ 3. 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 4. The alimentary canal consists of many different organs.Below is an image of the alimentary canal. What is the function of the stomach? it is where food is chewed into smaller pieces it absorbs water 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 5. Hassan does an experiment to find the maximum friction force between a wooden block and different surfaces.Here are his results.Calculate the average (mean) friction force for the glass experiment. 13.0 9.7 10.5 18.3 6. The diagram shows part of an electromagnet. What is the name of part A on the diagram. core coil copper iron 7. 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? Fen and Lam Coo and Lam Jeb and Lam Abb and Lam 8. Chidi makes a prediction.Chidi thinks he needs more evidence related to Prediction 2.Suggest one extra piece of evidence he could use. find another source to check the evidence obtained get to find more information about mercury Mercury is cooler than Venus but farther to the Sun information about less planets 9. Zainab has five chickens.Here is some information about her chickens. Other qualities can be used when selectively breeding chickens.Pick the most useful resistance to disease number of feathers colour of feathers low life expectancy 10. 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 tooth decay poor growth High blood pressure 11. Some metal railings have started to rust. All BUT ONE are ways to prevent railings from rusting? paint galvanise coat in oil cover the railings 12. Manjit puts a metal saucepan of milk on a cooker as shown.Thermal (heat) energy can be transferred by conduction, convection and radiation. Which is the main process that transfers thermal energy through the milk? radiation heat conduction convection 13. Zainab has five chickens.Here is some information about her chickens. Other qualities can be used when selectively breeding chickens.Pick the most useful number of feathers low life expectancy size of eggs amount of milk produced 14. 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 get the largest value checking reliability unusual results identify anomalous 15. 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 when heat and pressure change othertypes of rock. sedimentary all of the above metamorphic igneous 16. 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 resistance to disease, number of feathers size of eggs, amount of milk produced low life expectancy, amount of milk produced size of eggs, resistance to disease 17. A car is driving along a road. What type of motion is exhibited by the wheels of the car? vibrational translational oscillatory random rotational 18. 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. Safia then calculates the temperature change for each reaction. One set of readings is an anomalous result.Which set? result for 5 cm result for 6 cm result for 2 cm result for 4 cm 19. 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? B C A D E 20. Poor diets can cause health problems.Iman and Mike look at information about the amount of fat and fibre in different fruits. All BUT ONE is the reason fibre is important in the diet prevents constipation helps prevent bowel cancer speeds up the movement of waste out of the body good source of diet keeps the digestive system healthy 21. Zainab has five chickens.Here is some information about her chickens. Zainab chooses chickens to breed from the offspring.Which ones should she choose? the ones that produce the most eggs not enough information any one female with the male the ones that produce the less eggs 22. 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 A E G 23. 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 control a variable to have a fair test so the algae could grow 24. Zainab has five chickens.Here is some information about her chickens. Zainab chooses chickens to breed from the offspring.Which ones should she choose? the ones that produce the most eggs not enough information the ones that produce the less eggs any one female with the male 25. In italic is a part of a plant Choose from the list the correct function of the Leaf photosynthesis reproduction transport of water and minerals absorption of water 26. The Earth is made up of three layers including the core and the crust. What is the name of the other layer? core mantle magma crust 27. The giant panda lives in China.The diagram shows a simple food web involving the panda. Name one primary consumer in the food web. giant panda bamboo plant fish water plants 28. 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. All BUT ONE are reasons Taraoluwa and Kafeel put 10 cm³ of algae into each flask? to allow comparisons to be made so they start with same amounts to see if the algae will die to control a variable 29. The alimentary canal consists of many different organs.Below is an image of the alimentary canal. What is the function of the large intestine? it is where food is chewed into smaller pieces it absorbs water 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 30. Given the table below. Decide if the information indicates that the element is a metal or a non-metal. B and E in order metal, metal non-metal, metal non-metal, non-metal metal, non-metal 31. The giant panda lives in China.The diagram shows a simple food web involving the panda. What do the arrows in the food web show? reaction between them energy flow level of hierarchy connectors 32. The diagram shows part of an electromagnet. What is the name of part B on the diagram. core iron coil copper 33. 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 non-metal? mercury oxygen gold sodium iron 34. The alimentary canal consists of many different organs.Below is an image of the alimentary canal. What is the name of part A? tongue trachea oesophagus alimentary canal 35. 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.Venus is not a source of light.Why do you think it is possible to see Venus in the night sky. Venus is reflecting light from the Sun Venus orbits part of the Earth Venus is reflecting light from the Moon Venus orbits the Stars Venus is reflecting light from the Earth 36. 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 rubber is used to cover electrical wiring? F H D B 37. The giant panda lives in China.The diagram shows a simple food web involving the panda. Use the information in the food web to explain why the panda is described as anomnivore. eats animals only eats animals and plants eats plants only not enough information in the diagram 38. 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 does the Sun appear to move across the sky each day? C E A B D 39. Chidi makes a prediction.Does the information in the table support Prediction 2? No Yes not enough information maybe 40. Chidi makes a prediction about the planets in the Solar system.To find evidence to support his prediction he uses the internet.The table shows the information he findsChidi correctly predicts he will weigh more on Earth than on Mars.How does the information in the table supports his prediction. strength of gravity is less on Earth than Mars strength of gravity is higher on Earth than Mars not enough information mass of Earth is less than Mars 41. The giant panda lives in China.The diagram shows a simple food web involving the panda. Name one primary consumer in the food web. fish snails water plants bamboo plant 42. Poor diets can cause health problems.Iman and Mike look at information about the amount of fat and fibre in different fruits. One of these is true about the amount of fat found in fruits there is more fat than fibre in fruit fruits contain very little fat not enough information there is no fat in fibre 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 little energy tooth decay poor growth 44. The diagram shows the particle arrangement in a liquid. suggest the particle arrangement in a solid. loosely held more spaced out as that of gas the same as that of liquid tightly packed 45. Manjit puts a metal saucepan of milk on a cooker as shown.Thermal (heat) energy can be transferred by conduction, convection and radiation. Which is the main process that transfers thermal energy through the metalsaucepan? conduction heat convection radiation 1 out of 45 Time is Up! Time's up
