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. Given the table below. Decide if the information indicates that the element is a metal or a non-metal. C and D in ordernon-metal, metalnon-metal, non-metalmetal, metalmetal, non-metal2. The Earth is made up of three layers including the core and the crust. What is the name of the other layer?magmacrustcoremantle3. 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 .................................. .4. 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 thannot enough informationthe same asless than5. 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?1400 MJ300 MJ600 MJ400MJ1000 MJ6. 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?ACEBD7. 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.13.010.59.718.38. In italic is a part of a plant Choose from the list the correct function of the Stemreproductiontransport of water and mineralsabsorption of waterphotosynthesis9. 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 absorbs waterit is where food is mixed up into a creamy liquidit digests proteins, carbohydrates and fats and absorbs water, amino acids, sugars and fatty acidsit is where food is chewed into smaller pieces10. 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 waterit is where food is chewed into smaller piecesit digests proteins, carbohydrates and fats and absorbs water, amino acids, sugars and fatty acidsit is where food is mixed up into a creamy liquid11. 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 Marsstrength of gravity is higher on Earth than Marsnot enough informationmass of Earth is less than Mars12. The diagram shows part of an electromagnet. What is the name of part B on the diagram.coppercoilcoreiron13. 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 ........................................................................................................gets lighter / decreases after concentration of 4gets lighter / decreasescolour of algae gets greenercolour of algae gets darkercolour of algae increases14. 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?ABGE15. Hydrogen peroxide is used to make oxygen in the laboratory.Hydrogen peroxide breaks down to form water and oxygen. This reaction is much faster when a chemical called manganese(IV) oxide is added to the hydrogen peroxide.The manganese(IV) oxide is unchanged at the end of the reaction.Chioma investigates the effect of temperature on the breakdown of hydrogen peroxide.Which variable do you think she should change?catalystacidalkalitemperature16. 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 3not enough informationwhistle 2 is lower than whistle 3whistle 3 is lower than whistle 217. Chidi makes a prediction.How does the information in the table support Prediction 2?Mercury is hotter than Venus but closer to the SunMercury is hotter than Venus but farther to the SunMercury is cooler than Venus but closer to the SunMercury is cooler than Venus but farther to the Sun18. 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 findsHow does the information in the table support Prediction 1?not enough informationlongest time for orbitmercury is closest to sunmercury is farther to sun19. This is a question about forces.Look at the diagrams below.Which diagram shows a turning force?DECB20. 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?little energypoor growthtooth decayHigh blood pressure21. 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 above22. 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 found in layers and often contain fossils.metamorphicall of the aboveigneoussedimentary23. Hakeem does an experiment on sound.Hakeem connects a microphone to an oscilloscope.He places the microphone at different distances from the loudspeaker.He records the amplitude of the wave on the oscilloscope.Here are some of the results on the oscilloscope. Use the pictures to suggest which pattern best describes the results? there is no pattern in the resultsthe amplitude decreases with distancethe amplitude does not change with distancethe amplitude increases with distance24. 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.none of the abovesedimentarymetamorphicigneous25. Use the key to identify this coral reef fish..1. shape is very long and very thin go to 2 shape is not long and thin go to 32. fins are pointed trumpetfish fins are smooth eel3. eyes on top of head go to 4 eyes each side of head go to 54. long thin tail ray has a blunt tail flounder5. has stripes go to 6 does not have stripes sweeper6. has dark tips to fins and tail clownfish does not have dark tips to fins and tail angelfishThe coral reef fish is a ........................................................angelfishrayflounderclownfish26. The diagram shows a palisade cell.Which one structure, labelled in the diagram, is not found in animal cells?nucleuscytoplasmchloroplastcell membrane27. In italic is a part of a plant Choose from the list the correct function of the Leaftransport of water and mineralsphotosynthesisreproductionabsorption of water28. 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?connectorslevel of hierarchyenergy flowreaction between them29. 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.lack of shelternot enough foodloss of habitatlack of snail30. 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 digests proteins, carbohydrates and fats and absorbs water, amino acids, sugars and fatty acidsit is where food is chewed into smaller piecesit absorbs waterit is where food is mixed up into a creamy liquid31. 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?1400 MJ600 MJ400MJ1000 MJ300 MJ32. Zainab has five chickens.Here is some information about her chickens. Other qualities can be used when selectively breeding chickens.Pick the most usefulnumber of featherslow life expectancyresistance to diseasecolour of feathers33. 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 abovechemical balancespring balancenewtonmeter34. 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.newtonmeterchemical balancespring balanceall of the above35. 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?radiationheatconductionconvection36. The diagram shows a palisade cell.Which one structure, labelled in the diagram, is not found in animal cells?cytoplasmcell membranenucleusvacuole37. 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?heart diseaselittle energyHigh blood pressurepoor growth38. 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 less eggsnot enough informationany one female with the malethe ones that produce the most eggs39. 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.metamorphicigneousall of the abovesedimentary40. 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 wavelength of whistle 1 is ............................... the wavelength of whistle 2.the same asless thangreater thannot enough information41. 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 growthheart diseasetooth decayHigh blood pressure42. A car is driving along a road. Complete the sentences about the carThe car is slowing down. The forces that slow the car down are ............................and ....................................air resistance and frictionchemical and kineticgravity and frictiongravity and kineticair resistance and elastic43. The giant panda lives in China.The diagram shows a simple food web involving the panda. One of these is a producergiant pandafishbamboo plantsnails44. Zainab has five chickens.Here is some information about her chickens. Other qualities can be used when selectively breeding chickens.Pick the most usefulnumber of featherslow life expectancyamount of milk producedsize of eggs45. The diagram shows the particle arrangement in a liquid. Sade puts five drops of a liquid perfume on the back of her hand. A few seconds later Sade can smell the perfume.This is because the perfume diffuses into her nose. Explain, using the particle theory of matter, how diffusion takes place.particles spread from lower regions to higher regionsparticles remain fixedparticles spread outparticles remain unchanged46 out of 45Time is Up!
