23/04/2020 British Lower Secondary/Junior Checkpoint Mock Exams(Science) 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 greenercolour of algae gets darkergets lighter / decreasescolour of algae increasesgets lighter / decreases after concentration of 42. 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 usefulsize of eggs, resistance to diseasesize of eggs, amount of milk producedlow life expectancy, amount of milk producedresistance to disease, number of feathers3. Hassan does an experiment to find the maximum friction force between a wooden block and different surfaces.Here are his results.Name the apparatus Hassan uses to measure the friction force.all of the abovenewtonmeterspring balancechemical balance4. 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?EGAB5. The diagram shows a palisade cell.Name the part of the cell in which photosynthesis takes place.cytoplasmcell membranechloroplastnucleuschlorophyll6. Given the table below. Decide if the information indicates that the element is a metal or a non-metal. A and C in ordermetal, non-metalmetal, metalnon-metal, non-metalnon-metal, metal7. The giant panda lives in China.The diagram shows a simple food web involving the panda. Name one primary consumer in the food web.fishsnailswater plantsbamboo plant8. Some metal railings have started to rust. Which two substances must be present for the railings to rust?oxygen, waterhydrogen, nitrogencarbon dioxide, oxygennitrogen, watercarbon dioxide, hydrogen9. 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.metamorphicsedimentaryigneousall of the above10. The giant panda lives in China.The diagram shows a simple food web involving the panda. Many of the bamboo forests in China are being cut down.This is causing the panda population to decrease.All of these are the reasons EXCEPT.loss of habitatnot enough foodlack of shelterlack of snail11. The diagram shows part of an electromagnet. Which material is used to make part A.Choose words from the list.air copper glass iron paperironglasscopperair12. The diagram shows a palisade cell.Which one structure, labelled in the diagram, is not found in animal cells?cell membranenucleuscytoplasmchloroplast13. 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 EXCEPTchecking reliabilityidentify anomalousunusual resultsget the largest value14. The Earth is made up of three layers including the core and the crust. What is the approximate age of the Earth?1200 million years old3200 million years old1.1 million years old2100 million years old4600 million years old15. 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?conductionconvectionradiationheat16. 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?poor growthtooth decayheart diseaseHigh blood pressure17. 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.13.018.310.59.718. Chidi makes a prediction.Does the information in the table support Prediction 2?not enough informationNoYesmaybe19. Given the table below. Decide if the information indicates that the element is a metal or a non-metal. C and D in ordermetal, non-metalmetal, metalnon-metal, non-metalnon-metal, metal20. 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.When the colour of the algae is dark green it has grown the most.Complete the sentence.Choose a word from the list. carbon dioxide fastest the same slowest sugar waterWhen the concentration of magnesium sulfate is 4 the algae grow .........................slowestthe samefastestsugarcarbon dioxide21. 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?ACBDE22. 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?EABCD23. In italic is a part of a plant Choose from the list the correct function of the Leafphotosynthesistransport of water and mineralsabsorption of waterreproduction24. 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.igneousnone of the abovesedimentarymetamorphic25. 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?sodiumirongoldoxygenmercury26. 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 dietgood source of dietkeeps the digestive system healthyprevents constipationhelps prevent bowel cancerspeeds up the movement of waste out of the body27. Given the table below. Decide if the information indicates that the element is a metal or a non-metal. B and D in ordermetal, metalnon-metal, non-metalmetal, non-metalnon-metal, metal28. 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?400MJ1400 MJ600 MJ1000 MJ300 MJ29. 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 orbits the StarsVenus is reflecting light from the EarthVenus orbits part of the EarthVenus is reflecting light from the SunVenus is reflecting light from the Moon30. 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.the same asless thangreater thannot enough information31. A car is driving along a road. What type of motion is exhibited by the car?vibrationaltranslationalrandomrotationaloscillatory32. 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.banana and orangepineapple and kiwi fruitstrawberry and pineapplepineapple and banana33. 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 dietgood source of diethelps prevent bowel cancerkeeps the digestive system healthyprevents constipationspeeds up the movement of waste out of the body34. The diagram shows part of an electromagnet. Which material is used to make part B.Choose words from the list.air copper glass iron paperglasspaperironcopper35. 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)?ironoxygenmercurysodiumgold36. 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 dieto have a fair testso the algae could growto control a variable37. Chidi makes a prediction.Chidi thinks he needs more evidence related to Prediction 2.Suggest one extra piece of evidence he could use.Mercury is cooler than Venus but farther to the Sunfind another source to check the evidence obtainedinformation about less planetsget to find more information about mercury38. Hassan does an experiment to find the maximum friction force between a wooden block and different surfaces.Here are his results.Which is the one anomalous reading in the table.26.418.132.69.339. The diagram shows a palisade cell.Which one structure, labelled in the diagram, is not found in animal cells?cell wallcytoplasmcell membranenucleus40. Zainab has five chickens.Here is some information about her chickens. Other qualities can be used when selectively breeding chickens.Pick the most usefulsize of eggslow life expectancynumber of feathersamount of milk produced41. 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?CADBE42. Complete the word equation for photosynthesis.carbon dioxide + ........................ → glucose + .........................oxygen as reactant and water as productwater as reactant and oxygen as producthydrogen as reactant and oxygen as productwater as reactant and hydrogen as product43. 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.not enough informationstrength of gravity is less on Earth than Marsmass of Earth is less than Marsstrength of gravity is higher on Earth than Mars44. 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?convectionradiationconductionheat45. In italic is a part of a plant Choose from the list the correct function of the Rootphotosynthesistransport of water and mineralsabsorption of waterreproduction46 out of 45Time is Up! Time's up
