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C165 Integrated Physical Sciences Practice Test Questions and
Answers 2025
What change occurs when water is evaporated off the sidewalk? - answer Physical Change In what state is matter compressible? - answer Gas How is a compound formed? - answer Electrons are transferred or shared between atoms What is shared or transferred when a chemical bond is formed? - answer Valence Electrons Ion - answer Same number or protons, different number of electrons In hospitals, medical instruments are usually sterilized by - answer Ultraviolet light Most of the sun's UV-C radiation is absorbed by Earth's - answer Atmosphere Newton's 2nd law of motion F=ma is what kind of model? - answer Mathematical Falisable - answer Capable of being shown untrue
A well tested explanation - answer Scientific Theory T/F Theories are built on laws - answer True Why can't astronomers carry out a scientific research study to determine which visible star is the nicest? - answer There is no way to prove any answer wrong Why is it said you can never prove a scientific theory right? - answer It is impossible to directly test every single instance in which it applies. The variable that you adjust is called the - answer Independent Variable Is volume a derived quantity? - answer Yes Is area a derived quantity? - answer Yes What kind of radiation does the sun give off? - answer Ultraviolet The law of conservation of energy states that - answer The total energy of the universe remains constant The attractive force that exists between two objects is known as - answer Gravitational force The force of static friction acts to prevent - answer Movement
The net force acting on an object moving in a straight line at a constant speed is - answer Zero Factors that affect friction between two solid objects - answer Types of surfaces involved How hard surfaces press on eachother Material through which a mechanical wave travels is called a - answer Medium Longitudinal Wave - answer Matter in the medium oscillates in the same direction the wave travels. Which property of a soundwave determines its loudness? - answer Amplitude Law - answer Concise statement based on many experiments or observations. Electrons on the outer most shell - answer Valence Electrons Atomic number - answer Number of protons in nucleus of an atom Pure substance - answer Contains single type of element or compound Smoke is a mixture of - answer Solid and gas Particles vibrate in a fixed position - answer Solid
Matter that can not be compressed - answer Liquids and solids What force accounts for our moon moving in a circular path around Earth? - answer Gravity between Earth and Moon Plants convert light energy into - answer Chemical Energy Car engines convert chemical energy into - answer Kinetic Energy Heat is a form of - answer Energy Light is a form of - answer Energy Protons and neutrons reside in the __________ of the atom - answer Nucleus Inner planets - answer Mercury, Venus, Earth, Mars Small dense rocky planets - answer Inner planets Outer planets - answer Jupiter Saturn Uranus Neptune Large planets mostly made of gasses - answer Outer planets What causes day/night - answer Earth's axis of rotation
Earth's most common mineral - answer Quartz Beach sand is often weathered/eroded - answer Quartz Rocks made of weathered materials such as sand, silt, gravel, cobbles - answer Sedimentary Rocks Rocks formed by lava or magma - answer Igneous Rock Rock changed from original form - answer Metamorphic Rock Final era of our eon - answer Cenozoic Mesozoic Era - answer Dinosaurs Proterozoic Eon - answer Oxygen arrives Paleozoic Era - answer Forms land plants Rocks in Earth's crust break suddenly, releasing energy - answer Earthquake 90% of earthquakes occur around edge of which ocean? - answer Pacific Ocean Density is equal to - answer mass divided by volume
Is mass a derived quantity - answer No The unit of work is a - answer Joule (J) If mass is greater, acceleration from the same force is - answer Smaller The force that opposes the motion of an object - answer Friction Speed increases with __________ energy - answer Kinetic Disturbances that transfer energy from one place to another - answer Wave Waves that do not require matter to propagate are called - answer Electromagnetic Waves Frequency - answer Number of oscillations per second If two objects are moving at the same velocity, the more massive objects has - answer more momentum Work always results in - answer Transfer of energy from one object (or place) to another What kind of waves are sound waves - answer mechanical waves
Nuclear Fusion results in the _______________ of energy - answer the release Composition changes typically from water dissolving rock - answer Chemical weathering Transportation/removal of material - answer Erosion Erosion typically caused by - answer liquid water, glaciers, wind, or gravity Soil, sediment, or rocks added to a landform. Closely linked to erosion - answer Deposition The Dust Bowl is an example of - answer Wind Erosion Roots of plants/trees reduce ___________ and _____________ - answer weathering and erosion Aeolian - answer Process powered by wind Common example of Aeolian process - answer Sand Dunes Meanders - answer Curves in rivers Terminus - answer End of a glacier
Naturally occuring, solid, inorganic element/compound - answer Mineral Phanerozoic - answer Our current eon Cenozoic - answer Huminoids appear Flow contains dense gasses, ashes, and fragmented rock - answer Pyroclastic Flow Mountains from by __________ plates - answer Convergent Earthquakes formed by ______________ boundaries - answer Transform When a cloud forms - answer Heat is released back into the atmosphere The water cycle is driven by - answer solar energy and gravity Water found in pores between particles in soil or rocks - answer ground water Cold air _________ pressure - answer high Warm air___________ pressure - answer low Atmospheric pressure increases as humidity - answer decreases
This type of storm is common at cold fronts and often produces lightning - answer thunderstorm Most violent storm on Earth - answer tornado Which radiation can greenhouse gasses absorb that nitrogen and oxygen cant - answer infrared Carbon dioxide and methane are - answer greenhouse gasses The most abundant greenhouse gas in volcanic eruptions is - answer water vapor
