7/23/2019 Science and Health 3 Examination

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THIRD PERIODIC TESTSCIENCE and HEALTH 3

Name: ______________________________________ Date:________________

Gr/Sec:__________________ Teacher:______________

Choose the correct answer, write the letter of yor answer on the !lan" #ro$ided% _______1. The main source of heat and light is the _______.

a. sun b. moon c. star _______2. Light travels in _______

a. broen lines b. straight lines c. one direction on _______!" The bending of light that #asses from one material to another is _______.

a. refraction b. reflection c. color blending _______$. The surface of a mirror is _______.

a. rough b. cloud% c. smooth _______&. 'hen light hits a mirror" most of the light _______.

a. bounces b. sins in c. scatters _______(. )ost of the light that hits a blac #a#er is _______

a. reflected b. absorbed c. transmitted _______*. The s#ectrum is the band of colors that maes u# _______

a. +hite light b. green light c. red light _______,. -n a rainbo+" the colors from sunlight are _______

a. lost b. se#arated c. absorbed _______. Light cannot travel through_______

a. +ood b. glass c. air _______1. 0ou can see things more clearl% through a material that is_______

a. trans#arent b. translucent c. o#aue

 _______12. 'hen %ou hear an echo" sound +aves have beena. broen u# b. reflected c. absorbed

 _______1!. 'hen %ou hear a sound" something is_______a. vibrating b. not moving c. being shut. off  

 _______1$. 'hen %ou toss a coin into the air" it +ill dro# to the ground because of _______3 a. magnetism b. gravit% c. +ind

 _______1&. 4 magnet attracts materials made of_______a. +ood b. #a#er c. metal

 _______1(. 4 shado+ is formed +hen light ra%s from a source are_______a. reflected b. transmitted c. bloced

 _______1*. 4 #rism is used to_______

a. se#arate light into different colors b. #roduce +hite lightc. shut off light

 _______1,. 4 rainbo+ is formed +hen there are _______a. tin% raindro#s in air b. much light c. no light at all

 _______1. 4nno%ing sounds are #roduced b%_______a. la+n mo+er b. traffic c. firecracers

 _______2. Sin blisters come +ith_______a. first5 degree burn b. second5degree burn c. third5degree burn

 _______21. 'hat do #eo#le do if the% +ant to hear better6a. 7over their ears

 b. stretch their outer earsc. cu# their hands around their outer ear

 _______22. -n +hat material does sound travel faster6a. Solid b. liuid c. gas

 _______2!. 8o+ can %ou control of hearing6

7/23/2019 Science and Health 3 Examination

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a. 8itting the ear b. turning the 9 to full volumec. s#eaing softl% 

 _______2$. 4 lo+ and loud sound is #roduced b% +hich string of the guitar6a. iggest string b. smallest string c. medium string

 _______2&. 'hich is the correct reaction +hen %ou hear a friend cracing a ;oe6a. Laugh ver% loud b. shout c. ;ust smile

II& 'rite T on the !lan" !efore the n(!er if the state(ent is tre% 'rite ) if the state(ent is false%

 _______2(. <nerg% is the abilit% to do +or.

 _______2*. =ire is the main source of energ%.

 _______2,. =ire is a source of heat.

 _______2. >ubbing t+o ob;ect can mae heat.

 _______!. 0ou do +or +hen %ou move an ob;ect.

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