Grade 3 Science Reviewer 1

1.      Which of the following tells about solids?

•      It flows

•     It can be smelled.

•    It has a definite shape.

•      It tastes sweet.

   Air can be ________.

• seen   

• squeezed  

• smelled

•     tasted

     Air goes up when it is __________.

• warm  

• cool  

•    cozy air

•     warmer air

   Which controls the amount of light that enters the eye?

• iris  

• eyelids 

•    cornea

•      retina

      What do you call the transparent covering of the eye?

• Eyelids   

• cornea 

•     retina

• iris    

      Which eye ailments can cause inability to see objects at night?

• sore eyes

• night blindness

•      far sighted

• near sighted

   Which part of the nose serves to collect dirt?

• Cilia

• nasal cavity  

•      nostrils

• nerve

     It protects the skin from the harmful effects of the ultraviolet rays of sunlight.

• Capillaries  

• nerve endings 

•     melanin

• epidermis

    Which kind of clouds that sees like a white, thin feathers and going to be a fine weather?

• nimbus   

• cirrus 

•     cumulus

• fog

    Which statement is true?

•    Garbage thrown in the waterways makes the water clean and safe.

•     Waste chemicals being spilled out from the factories can help marine animals.

•    Some chemical substances could have harmful effects if not used properly.

• Proper disposal of waste can harm the environment.