SCIENCE 4 - FIRST PERIODICAL TEST REVIEW

What do you call a person who creates something?

• A. Scientist  

• B. Inventor  

• C. Mind Master

• D. Creator

Who invented the first video phone?

  

•  A. Leonardo Salvador 

• B. Edgardo Vazquez 

•  C. Roberto del Rosario

             

• D. Gregorio Y Zara

What is an invention?

• A.    a person who invents or creates something

• B.    applying new techniques to accomplish a task

• C.    something newly created that did not exist before

• D.    a new product or service derived from an existing one

Which of the following is a characteristic of an inventor?

• A. Lack of curiosity

• B. Fear of failure

• C. Avoiding new ideas

• D. Creative

To make sure you can see in the dark, which invention should you use?

           

• A. Flashlight

• B. Telephone 

• C. Electric Fan

• D. Calculator

How does a refrigerator help you in your daily life?

         

• A. It keeps food hot 

• B. It keeps food fresh and cool

• C. It helps you watch TV

• D. It helps you sleep

Which of the following will you use to help you in your studies?

• A. Computer

• B. Telephone

• C. Projector

• D. Television

Why is it helpful to have a washing machine instead of washing clothes by hand?

  

• A. It keeps clothes warm

• B. It makes clothes smell nicer

• C. It takes less time to clean clothes

• D. It makes clothes more colorful

How did the invention of the light bulb improve daily life compared to using candles for lighting?

          

• A. It was less safe than candles

• B. It was more difficult to use

• C. It required more frequent replacement

• D. It provided a brighter and more consistent light

Which of the following means sharing ideas and information using a system of symbols?

         

•   A. Agriculture 

• B. Education 

• C. Transportation 

• D. Communication