Earth & Life Science
What are the four subsystems of the Earth?
Geosphere, Hydrosphere, Atmosphere, Biosphere
What is the pH of a neutral substance like pure water?
7
Which of Newton's Laws is also known as the Law of Inertia?
Newton's First Law
What does the acronym "DRRM" stand for?
Disaster Risk Reduction and Management
Who studied gravity after seeing a” apple fall?
Isaac Newton
Which rock type is formed from the cooling and solidification of magma or lava?
Igneous Rock
How many valence electrons does a Carbon atom have?
Four (4)
What is the acceleration due to gravity on Earth?
9.8 m/s^2
What is the "Permanent Danger Zone" radius (in km) usually set for Mayon Volcano?
6 Kilometers
Who invented the telephone in 1876?
Alexander Graham Bell
What is the central dogma of molecular biology?
DNA → RNA → Protein
Which gas law states that volume is directly proportional to temperature at constant pressure?
Charles's Law
What is the term for the product of an object's mass and its velocity?
Momentum
Which factor refers to the inability of a community to
Vulnerability
Who discovered penicillin?
Alexander Fleming
In the Calvin Cycle of photosynthesis, what gas is "fixed" to produce sugar?
Carbon Dioxide or CO2
How many valence electrons does a Carbon atom have?
Four (4)
What do we call the motion of an object thrown into the air, subject only to gravity?
Projectile Motion
What is the name of the active fault line that runs through Metro Manila and nearby provinces?
Valley Fault System
What renewable energy source uses sunlight to generate electricity?
Solar power
Which principle states that in an undisturbed sequence of rocks, the oldest layer is at the bottom?
Law of Superposition
What is the molar mass of Water (H2O)? (H=1, O=16)
18 g/mol
Which law states that the total energy of an isolated system remains constant?
Law of Conservation of Energy
What term describes a hazard that is caused by the combination of natural and human-made factors?
Socio-natural Hazard
Who created the periodic table of elements?
Dmitri Mendeleev