Harnessing Energy from Different Sources
organic matter from living organisms
biomass
These are used to clean dirt and grease.
detergents
This model places Earth at the center of the universe.
geocentric model
It is the change in position of an object over time.
motion
Light bouncing off a surface is called
reflection
They are formed when buried dead organisms undergo decomposition in the absence of oxygen.
Fossil fuels
A substance used to kill bacteria on surfaces.
disinfectant
This scientist proposed the heliocentric theory.
Copernicus
This law states that acceleration is directly proportional to force and inversely proportional to mass.
2nd Law
This happens when light energy is taken in by an object and converted to heat.
absorption
Differentiate renewable and non-renewable energy
Answer may vary
What describes an active ingredient?
Performs the main function
Function of Nebra sky disk
The Nebra Sky Disk functioned as a combination of an astronomical guide, calendar, and symbolic artifact, showing that ancient people already had a sophisticated understanding of the heavens.
What is the main difference between Aristotelian and Galilean views on motion?
Aristotle believed motion requires a continuous force, while Galileo argued that objects can continue moving without force (inertia).
Why do dark-colored objects feel hotter under sunlight?
They absorbed more light energy
Why different areas of the Philippines uses different energy sources instead of focussing only on one?
Answer may vary.
Why should some cleaning products not be mixed?
They may form harmful reactions
Who is tycho brahe
He founded the Danish Observatory
Why did Aristotle conclude that heavier objects fall faster, and how did Galileo challenge this idea experimentally?
Aristotle based his ideas on observation without controlled experiments. Galileo challenged this by conducting experiments (like inclined planes), showing that objects accelerate equally regardless of mass.
Why do sunsets appear red or orange?
longer wavelengths remain after scattering
3 importance why it is important to harness the different resources we have in the Philippines
Answer may vary
A detergent contains surfactants, builders, and enzymes. Analyze how these components work together to improve cleaning efficiency in hard water conditions.
Surfactants remove grease by forming micelles, builders soften water by binding calcium and magnesium ions, and enzymes break down complex stains. Together, they enhance cleaning even in hard water.
Why theres a lot of people now intended to clarify conception in the past especially in the conception of universe?
people clarify past conceptions because new evidence, better tools, and the goal of accurate understanding push science forward.
Analyze how Galileo’s concept of inertia contradicted Aristotelian physics and explain how this shift contributed to the development of modern physics.
Galileo proposed that an object in motion stays in motion unless acted upon by an external force, contradicting Aristotle’s belief that force is needed to maintain motion. This idea became the foundation of inertia, later formalized in Newton's First Law of Motion, marking the transition to modern physics.
Ezplain Law of Reflection.
When light strikes a smooth surface like a mirror, it doesn’t bounce randomly. Instead, it follows a predictable path—like a ball bouncing off a wall at the same angle it came in.