Physics
Chemistry
Biology
Philippine History
Geography
100

What is the coldest possible temperature?

Absolute zero (-273.15°C )

100

A substance that increases the rate of a chemical reaction by lowering the activation energy, without being consumed itself.

Catalyst

100

A simple, single-celled organism that lacks a nucleus and membrane-bound organelles (like bacteria).

Prokaryote

100

The fundamental socio-political unit in pre-colonial Philippines, consisting of kinship-based communities typically ranging from 30 to 100 families.

Barangay

100

Highest peak on Earth

Mount Everest

200

The rate at which an object changes its position; it is calculated as displacement divided by time.

Velocity

200

A logarithmic scale ranging from 0 to 14 used to specify the acidity or basicity of an aqueous solution

pH Scale

200

The double-helix molecule that stores the genetic instructions and hereditary code for the development and functioning of living things.

DNA (Deoxyribonucleic Acid)

200

The traditional title for a chief, monarch, or sovereign ruler of a pre-colonial barangay or indigenous community.

Datu

200

Coldest inhabited place on Earth

Oymyakon, Russia

300

The stored energy an object has due to its position or configuration.

Potential Energy

300

A pure substance made entirely of one type of atom that cannot be broken down into simpler substances by chemical means.

Element

300

A type of cell division that results in two identical daughter cells, used for growth, tissue repair, and asexual reproduction.

Mitosis

300

The historic trans-Pacific trade route (1565–1815) that connected Manila to Acapulco, Mexico, exchanging Asian luxury goods for Mexican silver.

Galleon Trade

300

A country inside a city

Vatican City

400

The transfer of heat energy through a material by direct atomic or molecular contact without any bulk motion of the material.

Conduction

400

The basic unit of a chemical element, made up of a nucleus of protons and neutrons surrounded by a cloud of electrons.

Atom

400

A biological community of interacting living organisms (biotic) and their physical, non-living environment (abiotic).

Ecosystem

400

A term used during the Spanish era for Spaniards born in the Philippines, distinct from Peninsulares (Spaniards born in Spain).

Insulares

400

Deepest ocean trench

The Mariana Trench

500

An electrical circuit configured with only one single path for the current to flow through all components sequentially.

Series Circuit

500

An electron located in the outermost shell of an atom that determines the atom's chemical reactivity and bonding behavior.

Valence Electron

500

A group of similar cells working together to perform a specific function within an organism (like muscle tissue).

Tissue

500

A communist guerrilla movement originally formed in 1942 to fight the Japanese occupation during World War II, later resisting the post-war Philippine government.

Hukbalahap

500

The world's highest active volcano

Ojos del Salado