Texas 4-8 science exam 2024/2025 with 100% correct answers
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Course
Texas 4-8 science
Institution
Texas 4-8 Science
according to their reactivity with other substances correct answerschemicals should be stored
at the bottom of meniscus correct answerswhere do you read the measurement of a graduated cylinder
hypothesis correct answerseducated guess
renewable resources correct answersrenew or replace in s...
according to their reactivity with other substances correct answerschemicals should be stored
at the bottom of meniscus correct answerswhere do you read the measurement of a graduated cylinder
hypothesis correct answerseducated guess
renewable resources correct answersrenew or replace in short timescale for human use again
non-renewable resources correct answersrenew or replace in long timescale where humans can't use
again
so far away from planet they cant feel the gravity correct answerswhy do astronauts experience
weightlessness
state, appearance, size, solubility, density, melting/boiling point, magnetic properties correct
answersPhysical properties
evaporation correct answersthe change of a substance from a liquid to a gas
condensation correct answersthe process of changing from a gaseous to a liquid or solid state
vaporization correct answersthe process of changing matter to vapors
transition elements correct answersElements in the middle of the periodic table, in groups 3-12.
they tend to form salts when reacted with halogens correct answerswhat is true about transition
elements
,potential energy correct answersenergy stored due to an object's position or arrangement
kinetic energy correct answersenergy of motion
Converge lens correct answersproduce real image whenever the object is far enough from the lens
(further than one focal length)
concave lens correct answersproduce real image whenever the object is close enough from the lens
(closer than one focal length)
Density correct answersthe spatial property of being crowded together. Mass/Volume
Rigidity correct answersthe physical property of being stiff and resisting bending
Tensile strength correct answersthe strength of material expressed as the greatest longitudinal stress it
can bear without tearing apart
compressibility correct answersthe property of being able to occupy less space
Law of Conservation of Energy correct answersthe fundamental principle of physics that the total energy
of an isolated system is constant despite internal changes
insulator correct answersA material that does not allow heat or electrons to move through it easily
specific heat correct answersthe heat required to raise the temperature of one gram of a substance one
degree centigrade
oragnelle correct answersa tiny structure within the cytoplasm of the cell
, cell correct answersthe basic structural and functional unit of all organisms
Tissue correct answersa part of an organism consisting of an aggregate of cells having a similar structure
and function
Organ correct answersa collection of tissues that carry out a specialized function of the body
Organism correct answersa living thing that has (or can develop) the ability to act or function
independently
Catalysts correct answerssubstance that speeds up a chemical reaction but is not used up itself or
permanently changed
lowering required activation energy correct answerscatalysts assists reactions by
mitosis correct answerscell division in which the nucleus divides into nuclei containing the same number
of chromosomes
meiosis correct answerscell division that produces reproductive cells in sexually reproducing organisms
(division of sex cells)
meiosis 1 correct answersresults in 2 haploid daughter cells with half the number of chromosomes as
the original cell, the daughter cells have a set of chromosomes and alleles that are different from each
other an from the original diploid cell
meiosis 2 correct answers2 daughter cells from meiosis now enter second meiotic division
heterozygous correct answershaving two different alleles for a trait
evolution correct answersa process in which something passes by degrees to a different stage (especially
a more advanced or mature stage)
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