First Quarter Examination in Science 4

What do you call a person who creates and invents something?

• Creator

• Inventor

• Mind Master

• Scientist

Who is known for inventing the jeepney?

• Edgardo Vasquez

• Gregorio Y. Zara

• Leonardo Salvador

• Roberto Del Rosario

What do you mean by an invention?

• A person who creates or invents something

• Applying new techniques to accomplish a task

• Something newly created that did not exist before

• A new product or service derived from an existing one

Which of the following is a characteristic of an inventor?

• Creative

• Fear of Failure

• Lack of Curiosity

• Avoiding new ideas and concepts

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

• Calculator

• Electric Fan

• Flashlight

• Telephone

Tita Letty is a “carinderia” owner in front of her house. She keeps the remaining food in the refrigerator that is not sold during the day. How does a refrigerator help her in daily life?

• It keeps food hot.

• It helps you sleep.

• It helps you watch TV.

• It keeps food fresh and cool.

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

• Computer

• Projector

• Telephone

• Television

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

• It keeps clothes warm.

• It makes clothes smell nicer.

• It makes clothes more colorful.

• It takes less time to clean clothes.

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

• It was more difficult to use.

• It was less safe than candles.

• It required more frequent replacement.

• It provided a brighter and more consistent light.

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

• Agriculture

• Communication

• Education

• Transportation