REVIEWER SCIENCE 1

What is the main source of heat and light?

• A. fire

•  B. candle

• C. bulb

• D. sun

A kind of energy that makes us see better in the dark.

• A. heat

•  B.  sound

• C. light

• D. energy

Which of these is a source of light?

• A. flashlight

•  B.   iron

• C. electric kettle

• D. radio

Guitars are built to control which type of energy?

• A. heat

•  B.  sound

• C. light

• D. energy

What is energy?

• A. the ability to run

•  B.  to cook   

• C. the ability to do work

• D. to do homework

Which of the following is a natural source of light?

• A.  candle

•  B.  stars     

• C. lamp

• D.  flashlight

What landform is in the picture?

• A.  mountain

•  B.  valley    

• C. hills

• D.  plain

What landform is in the picture?

• A.  mountain

•  B.  valley    

• C. hills

• D.  plain

What landform is a lowland area between higher lands such as mountains or hills?

• A.  mountain

•  B.  valley    

• C. hills

• D.  plain

Which landform has an opening on its top and this opening is called a

       crater?

• A.  mountain

•  B.  valley    

• C. hills

• D.  volcano