C165 Integrated Physical Sciences - Set 4 - Part 3

Correct Answer: Doppler effect

The Doppler effect is the change in frequency or pitch of a sound wave as the source moves toward or away from an observer.

Correct Answer: Newton's Second Law

Newton's Second Law states that the force acting on an object is equal to its mass times its acceleration (F = ma).

Correct Answer: Moons gravitational pull

The moons gravitational pull is the primary cause of ocean tides, as it affects the movement of water on Earths surface.

Correct Answer: Liquid

Liquids have a definite volume but take the shape of their container, unlike solids and gases.

Correct Answer: HO

HO (water) is an example of a covalent bond, where two hydrogen atoms share electrons with one oxygen atom.

Correct Answer: Sublimation

Sublimation is the process by which a solid changes directly into a gas without passing through the liquid phase.

Correct Answer: Absorb sunlight

Chlorophyll is the pigment in plants responsible for absorbing sunlight, which is essential for photosynthesis.

Correct Answer: Proton

Protons are positively charged particles located in the nucleus of an atom.

Correct Answer: Convection

Convection is the process where warm air rises, cools, and then sinks, creating a continuous cycle of heat transfer.

Correct Answer: Gene

A gene is the basic unit of heredity, containing the instructions for the development and function of living organisms.