Science Quiz Bee 2024 Easy Round

Which invention has greatly changed the way people communicate with each other?

• Laptop

• Television

• Cell phone

• Projector

What invention has contributed to the improvement of health?

• Electronic mosquito repellant

• Electronic door opener

• Jeepney

• Steamboat

Which of the following does NOT belong to the category of household inventions?

• Refrigerator

• Stove

• Traffic Light

• CCTV

Which invention is used in education to aid learning?

• Laptop

• electric fan

• Video phone

• Jeepney

The cell phone is an invention that has significantly improved communication

• True

• False

• not sure

• none of the above

Nonbiodegradable materials can cause clogged drainages as well as water and land pollution when thrown irresponsibly.

• False

• True

• not sure

• none of the above

Which is not an effect of decaying materials?

• improves health

• foul odor

• causes food poisoning

• None of the above

A farmer uses a kerosene as a fuel to burn the leaves in his garden. A kerosene is a _______ material.

• combustible

• flammable

• degradable

• nondegradability

What happens to water when it is frozen in a refrigerator?

• It evaporates

• It condenses

• It changes into gas

• It changes into ice

What does the term "flammability" refer to?

• The ability of a material to dissolve in water

• The ability of a material to conduct electricity

• The ease with which a material can catch fire and burn

• The tendency of a material to react with oxygen in the air