Geothermal Energy and Related Concepts

Geothermal Power Plants

  • Electricity Production Equipment:

    • Generator: Device that produces electricity from kinetic energy.

  • First Step in Geothermal Energy Production:

    • Wells are drilled deep into the Earth to pump steam or hot water to the surface.

Climate Definitions

  • Climate:

    • Long-term changes in the atmosphere.

  • Climate Factors:

    • Factors affecting climate near Manila Bay include proximity to large bodies of water and topography.

  • Leeward Side Climate:

    • Warm and dry due to descending dry air that warms and expands.

  • El Niño:

    • Periodic occurrence of above-average sea-surface temperatures in the East-central equatorial Pacific, which can impact global weather patterns.

Astronomy

  • Constellations:

    • Clusters of stars forming patterns; one prominent summer constellation is Hercules.

  • Big Dipper:

    • Movement observed due to Earth's rotation on its axis.

Physics Concepts

  • Motion:

    • In uniformly accelerated motion, acceleration changes at a constant rate.

  • Volleyball Toss:

    • At maximum height, velocity is zero while acceleration remains non-zero.

  • Path of Sepak Takraw:

    • Described as parabolic.

  • Basketball Maximum Height:

    • Achieved at a launch angle of 45°.

  • Momentum:

    • Defined as the product of mass and velocity; the science building has the least momentum compared to moving objects.

  • Total Mechanical Energy:

    • Remains constant in freefall if only conservative forces are acting.

Energy Transformation

  • Geothermal Power Plant Sequence:

    • Energy transformation: thermal → mechanical → electrical.

  • Transformers:

    • Step-up transformers are used to raise voltage for transmission; lower voltage for residential use.

Circulatory and Respiratory Systems

  • Coronary Circulation:

    • Circulation that moves blood through the tissues of the heart.

  • Cooperation of Systems:

    • Activities like jogging increase both pulse and breathing rate, demonstrating interaction between respiratory and circulatory systems.

Genetics and Cell Biology

  • DNA Base Pairing:

    • Adenine (A) pairs with Thymine (T).

  • Blood Type Inheritance:

    • Child with blood type B and mother with blood type O implies the father must be type B.

  • Phenotype Ratio in Cattle:

    • Offspring ratio from mating a red (RR) and roan (RW) cow: 1 red : 1 roan.

  • Cellular Respiration:

    • Second step after glycolysis is the Krebs cycle.

    • Light-dependent Reactions:

    • Produce NADPH and ATP, essential for carbon fixation during photosynthesis.

Atomic Structure and Chemical Reactions

  • Electrons in an Atom:

    • Total number of electrons in a fully occupied first and second energy level is 8.

  • Covalent Bonds:

    • Produce molecules; non-metals typically gain electrons during ionic bonding.

  • Melting Temperatures:

    • Sodium chloride has a high melting temperature.

Organic Compounds and Health

  • Organic Compounds:

    • Mainly composed of carbon and hydrogen.

  • Importance of Potassium:

    • Essential for plant root development; KCl as a suitable fertilizer.

Volcanoes

  • Types of Volcanoes:

    • Mayon Volcano is classified as a composite volcano due to its shape.

  • Strombolian Eruptions:

    • Characterized by weak to violent eruptions with fountain-style lava.

  • Volcanic Gases:

    • Most abundant gas emitted is water vapor, which is generally harmless.

  • Geothermal Energy:

    • Heat from the Earth's interior used as a renewable energy source.