SCIENCE (DECEMBER 28, 2024) Flashcards
Where can we find Ozone layer?
STRATOSPHERE
Main human activity that emits carbon dioxide
COMBUSTION OF FOSSIL FUELS
Thermodynamics
0th Law:
1st Law:
2nd Law:
3rd Law:
0th Law: Temperature
1st Law: Converted to different forms but cannot be destroyed (Conservation of Energy)
2nd Law: Heat Flow (from hot to cold)
3rd Law: Entropy
Most reliable energy
NUCLEAR ENERGY
DETRITIVORE eat the remains of dead plants and animals
DETRITIVORE
breakdown organic matter
DECOMPOSERS
carnivores that consume dead animals
SCAVENGERS
First microsatellite of the Philippines
DIWATA I
First nanosatellite of the Philippines
MAYA I
First Philippine Satellite launched into space
AGILA 2
Primates without tail
GREAT APES
Primates with tail
MONKEYS
- Which of the following is primarily responsible for the water cycle on Earth?
a. Photosynthesis
b. The sun’s energy
c. Earth’s tilt
d. Wind patterns
b. The sun’s energy
- What is reported as the most important anthropogenic greenhouse gas?
a. Carbon dioxide
b. Methane (2nd)
c. Nitrous oxide
d. Ozone (3rd)
Carbon dioxide
- What is the most potent greenhouse gas evaluated?
a. Sulfur Hexafluoride
b. Carbon Dioxide
c. Carbon Monoxide
d. Methane
a. Sulfur Hexafluoride
- Which natural phenomenon is caused by the movement of tectonic plates?
a. Tornadoes
b. Earthquakes
c. Hurricanes
d. Tsunamis
b. Earthquakes
- Study of the origin, development, structure, history, and future of the entire universe.
a. Anthropology
b. Cosmology
c. Philosophy
d. Sociology
b. Cosmology
- Which law of thermodynamics states that energy cannot be created or destroyed, only transferred or transformed?
a. Zeroth Law
b. First Law
c. Second Law
d. Third Law
b. First Law
- What energy is the most reliable in terms of sustainability and long-term availability?
a. Renewable energy
b. non- renewable energy
c. nuclear energy
d. Hydroelectric energy
a. Renewable energy
- Which process is used to repurpose waste materials into higher-quality items or products with a new purpose?
a. Recycling
b. Upcycling
c. Reusing
d. Reprocessing
b. Upcycling
- What role do decomposers play in an ecosystem?
a. They produce food through photosynthesis
b. They consume primary producers
c. They break down dead organisms and recycle nutrients
d. They compete with primary consumers for food
c. They break down dead organisms and recycle nutrients
- What nutrients are most commonly involved in eutrophication?
a. Nitrogen and phosphorus
b. Carbon and oxygen
c. Potassium and magnesium
d. Iron and manganese
a. Nitrogen and phosphorus
- Which of the following best describes that meets the needs of the present, without compromising the ability of future generations to meet their own needs?
a. Sustainable development
b. Economic growth
c. Industrialization
d. Urbanization
a. Sustainable development
- Which environmental issue involves the depletion of coral reefs due to increased water temperatures and other stressors?
a. Coral bleaching
b. Overfishing
c. Eutrophication
d. Coastal erosion
a. Coral bleaching
- How has the invention of GPS technology benefited navigation?
a. By increasing reliance on maps
b. By providing real-time location and directions
c. By making compasses obsolete
d. By reducing the need for travel
b. By providing real-time location and directions
- Which medical technology has greatly improved the survival rates of patients undergoing heart surgery because of damaged valves due to aging?
a. Peacemakers
b. Stethoscopes
c. Artificial heart valves
d. Blood pressure monitors
c. Artificial heart valves
- What advancement in technology has allowed for significant improvements in weather forecasting?
a. Barometers
b. Satellites
c. Thermometers
d. Wind vanes
b. Satellites
- Which scientific principle explains why oil and water do not mix?
a. Capillary action
b. Surface tension
c. Density differences
d. Polarization
c. Density differences
- The disappearance of animals like the dinosaur, saber-toothed tiger and white dolphins and the appearances of new ones like the red fox, rainbow fish and Thai tarantula exemplify ecological ____
a. Biodiversity
b. Evolution
c. Niche
d. Creation
b. Evolution
- Horse: Equus as Bear: ______
a. Ursus
b. Felis
c. Canis
d. Predators
a. Ursus
- For an ecosystem to survive, there must be a chain of production and transfer of energy the natural and most important source of which is the ___
a. Fossil
b. Water
c. Sun
d. Plant
c. Sun
- As endangered animals are protected by regulation hunting, so are natural inorganic substances are protected by regulating.
a. Poaching
b. Excavation
c. Mining
d. Quarrying
c. Mining
- Which of the following heat transfer is observed when ventilating a room?
a. Radiation
b. Conduction
c. Convection
d. Absorption
c. Convection
- Which of the following forms of electromagnetic waves is used in cancer treatment?
a. X-ray
b. Ultraviolet
c. Gamma ray
d. Microwave
c. Gamma ray
- The United Nations Framework Convention on Climate Change (UNFCCC) is an international treaty focused on what?
a. Conservation of wetlands globally
b. Stabilizing atmospheric concentrations of GHGs
c. Rescuing endangered species
d. Marine pollution
b. Stabilizing atmospheric concentrations of GHGs
- The Kyoto Protocol is primarily concerned with reducing what?
a. Air pollution
b. Greenhouse gas emissions
c. Deforestation
d. Water pollution
b. Greenhouse gas emissions
- What is the main focus of the United Nations Environment Programme (UNEP)?
a. Trade regulations
b. Human rights advocacy
c. Environmental protection and sustainability
d. Health and nutrition
c. Environmental protection and sustainability
- It is a variety of life that make up our natural world.
a. Vertebrates
b. Pollution
c. Biodiversity
d. Abiotic Factor
c. Biodiversity
- It is the most abundant greenhouse gas.
a. Carbon dioxide
b. Nitrous oxide
c. Oxygen
d. Water vapor
d. Water vapor
- What is the most abundant renewable energy source?
a. Biomass
b. Solar energy
c. Wind energy
d. Hydro resources
b. Solar energy
- It is an experimental technique that involves altering the genes inside your body’s cells in an effort to treat pr stop the disease.
a. Stem cell therapy
b. Gene therapy
c. Chemotherapy
d. Radiotherapy
b. Gene therapy
- A Polish astronomer, who proposed that the sun, not the Earth, was at the center of the universe.
a. Ptolemy
b. Nicolaus Copernicus
c. Edwin Hubble
d. Galileo Galilee
b. Nicolaus Copernicus