Welcome to your British Lower Secondary/Junior Checkpoint Mock Exams(Science) NAME EMAIL PHONE NUMBER 1. 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 growthHigh blood pressuretooth decayheart disease2. 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 dietprevents constipationgood source of dietspeeds up the movement of waste out of the bodyhelps prevent bowel cancerkeeps the digestive system healthy3. 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 3 is lower than whistle 2whistle 2 is lower than whistle 3not enough informationwhistle 2 is the same as whistle 34. Complete the word equation for photosynthesis.carbon dioxide + ........................ → glucose + .........................water as reactant and hydrogen as productoxygen as reactant and water as productwater as reactant and oxygen as producthydrogen as reactant and oxygen as product5. 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 fruitsthere is more fat than fibre in fruitfruits contain very little fatthere is no fat in fibrenot enough information6. 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.She should control (keep the same) all BUT ONE variable.particle size of the manganese (IV) oxideamount of catalystconcentration of hydrogen peroxidesame apparatusvolume of hydrogen peroxide7. 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 loudness of whistle 2 and whistle 3.whistle 3 is louder than whistle 2not enough informationwhistle 2 is louder than whistle 3whistle 2 is the same as whistle 38. 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.metamorphicsedimentaryall of the aboveigneous9. 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 diseaseHigh blood pressurepoor growthlittle energy10. 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?ABGE11. 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 malenot enough informationthe ones that produce the most eggsthe ones that produce the less eggs12. 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 plants onlyeats animals onlynot enough information in the diagrameats animals and plants13. 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?EDBCA14. Look at the table.It shows the melting points and boiling points of some elements. Use the table to answer the question below.Write down the name of the element that melts at 1538°Cgoldsodiumironoxygenmercury15. 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 MJ1000 MJ600 MJ400MJ300 MJ16. The alimentary canal consists of many different organs.Below is an image of the alimentary canal. What is the function of the stomach?it digests proteins, carbohydrates and fats and absorbs water, amino acids, sugars and fatty acidsit is where food is chewed into smaller piecesit is where food is mixed up into a creamy liquidit absorbs water17. 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 featherscolour of featherslow life expectancyresistance to disease18. 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 orbits part of the EarthVenus is reflecting light from the MoonVenus is reflecting light from the EarthVenus is reflecting light from the Sun19. Chidi makes a prediction.Chidi thinks he needs more evidence related to Prediction 2.Suggest one extra piece of evidence he could use.mass of Earth is greater than Marsstrength of gravity is higher on Mars than Earthmass of Mars is greater than Earthnot enough information20. 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 diethelps prevent bowel cancerprevents constipationgood source of dietkeeps the digestive system healthyspeeds up the movement of waste out of the body21. In italic is a part of a plant Choose from the list the correct function of the Leafphotosynthesistransport of water and mineralsreproductionabsorption of water22. 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 these pictures to complete the results table. 6cm = 2.3; 11cm = 1.56cm = 2.8; 11cm = 1.66cm = 2; 11cm = 1.76cm = 2; 11cm = 1.523. In italic is a part of a plant Choose from the list the correct function of the Stemtransport of water and mineralsabsorption of waterreproductionphotosynthesis24. 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 remain fixedparticles spread outparticles spread from lower regions to higher regionsparticles remain unchanged25. 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 eggsthe ones that produce the most eggsany one female with the malenot enough information26. 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 informationmercury is closest to sunmercury is farther to sunlongest time for orbit27. 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?alkalitemperaturecatalystacid28. 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 findsDoes the information in the table support Prediction 1?not enough informationNoYesMaybe29. 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 abovespring balancenewtonmeterchemical balance30. 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.32.626.418.19.331. 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 two properties from the list make aluminium suitable for cooking pans?D and BC and EA and EC and G32. 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?conductionradiationconvectionheat33. The diagram shows part of an electromagnet. Which material is used to make part B.Choose words from the list.air copper glass iron paperglasspaperironcopper34. The diagram shows part of an electromagnet. What is the name of part B on the diagram.coppercoilironcore35. 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 feathersamount of milk producedsize of eggslow life expectancy36. The giant panda lives in China.The diagram shows a simple food web involving the panda. Name one producer in the food web.water plantssnailsfishgiant panda37. 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 pressurepoor growthlittle energytooth decay38. The giant panda lives in China.The diagram shows a simple food web involving the panda. Name one primary consumer in the food web.fishsnailsbamboo plantwater plants39. This is a question about forces.Look at the diagrams below.Which diagram shows a turning force?ABCD40. 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 ....................................gravity and kineticair resistance and frictionchemical and kineticair resistance and elasticgravity and friction41. This is a question about forces.Look at the diagrams below.Which diagrams show a turning force?B and CA and CE and AD and EB and D42. The Earth is made up of three layers including the core and the crust. What is the approximate age of the Earth?2100 million years old1.1 million years old4600 million years old1200 million years old3200 million years old43. Poor diets can cause health problems.Choose phrases from the listHeart disease Tooth decay High blood pressure Little energy Poor growthToo much salt causes which health problem?poor growthheart diseaselittle energyHigh blood pressure44. 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.10.518.39.713.045. 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 LamCoo and LamJeb and LamAbb and Lam46 out of 45Time is Up!
