小学六年级科学上册期中试卷集.docx

小学六年级科学上册期中试卷集

一、选择题（每题1分，共5分）

1.Whichofthefollowingisarenewableenergysource?

A.Coal

B.Solar

C.Oil

D.Naturalgas

2.Whatistheprocesscalledwhenasolidturnsintoaliquid?

A.Melting

B.Boiling

C.Condensation

D.Sublimation

3.Whichofthefollowingisalivingthing?

A.Rock

B.Tree

C.Cloud

D.Machine

4.WhatistheforcethatpullsobjectstowardsthecenteroftheEarthcalled?

A.Gravity

B.Magnetism

C.Friction

D.Tension

5.Whatistheprocesscalledwhenaplantmakesitsownfood?

A.Photosynthesis

B.Respiration

C.Digestion

D.Reproduction

二、判断题（每题1分，共5分）

1.Alightyearisaunitoftime.()

2.Aplantneedssunlight,water,andsoiltogrow.()

3.Abatteryconvertschemicalenergyintoelectricalenergy.()

4.Amagnetcanattractbothironandsteel.()

5.Arainbowisformedthereflectionoflight.()

三、填空题（每题1分，共5分）

1.The________isthelargestplanetinoursolarsystem.

2.A________isadevicethatconvertsmechanicalenergyintoelectricalenergy.

3.A________isatypeofenergythatisstoredinanobjectduetoitspositionorshape.

4.A________isadevicethatconvertselectricalenergyintolightenergy.

5.A________isadevicethatconvertselectricalenergyintosoundenergy.

四、简答题（每题2分，共10分）

1.Pleaseexplainwhatphotosynthesisis.

2.Pleaseexplainwhatarenewableenergysourceis.

3.Pleaseexplainwhatasimplemachineis.

4.Pleaseexplainwhataforceis.

5.Pleaseexplainwhatahabitatis.

五、应用题（每题2分，共10分）

1.Ifacartravelsataspeedof60milesperhourfor2hours,howfardoesittravel?

2.Ifaplantreceives8hoursofsunlighteachday,howmuchenergydoesitreceiveinoneweek?

3.Ifabatteryhasavoltageof9voltsandacurrentof2amps,whatisitspower?

4.Ifamagnethasanorthpoleandasouthpole,howcanyoudeterminewhichpoleiswhich?

5.Ifahabitatisdestroyed,howcantheanimalsthatlivetherebeaffected?

六、分析题（每题5分，共10分）

1.Analyzethestatement:TheEarth