Download CSET MULTIPLE SUBJECTS SUBTEST 2: MATH, SCIENCE and more Exams Advanced Education in PDF only on Docsity!
CSET MULTIPLE SUBJECTS SUBTEST 2: MATH,
SCIENCE
Order of operations - answers -pemdas Parentheses Exponents Multiplication Division Addition Subtraction (between roots and exponents, do whatever comes first in the problem) What is the easiest way to find a common denominator? - answers -multiply all the denominators How do you multiply fractions? - answers -multiply numerator x numerator Mutiply denominator x denominator (don't need a common denominator) How do you divide fractions? - answers -flip the second fraction and then multiply Z^-2 - answers -
Z x z Perfect square number - answers -taking a positive integer and multiplying it by itself equals a perfect square. Example: 3 x 3 = 9 9 is a perfect square. What is the distributive property? - answers -a (b+c) = ab + ac What is the opposite of distributing? - answers -factoring What does the commutative property of addition and multiplication tell us? - answers - order does not matter A + b = b + a A x b = b x a What does the associative property of addition and multiplication tell us? - answers - grouping does not matter A + (b + c) = (a + b) + c Identity property of addition - answers -any number + 0 equals itself
Identity property of multiplication - answers -any number x 1 equals itself Cerebral cortex - answers -part of the nervous system; 4 lobes, spatial awareness, consciousness, language, vision (thinking) Cerebellum - answers -part of the nervous system; gray area in back, timing of motor movement What is the opposite of photosynthesis? - answers -respiration Photosynthesis - answers --plants use a chemical called chlorophyll to absorb solar energy -use a chemical reaction that creates carbohydrates -plants take in water and carbon dioxide and get rid of carbon based nutrients and oxygen Respiration - answers -animals and plants take in oxygen and break down carbohydrates, release the energy stored in their chemical bond 3 types of symbiosis - answers -mutualism - mutually benefit Parasitism - host suffers Commensalism - host indifferent Examples of prime numbers - answers -2, 3, 5, 7, 11, 13, 17, 19, 23 Product - answers -the answer to a multiplication problem Sum - answers -the answer to an addition problem Plant cell - answers -vacuole - holds waste Chloroplast - processes light energy from sun and converts into sugar for the plant to have energy Cell wall - thicker than in an animal cell, gives the cell structure What is mitosis? - answers -cell division - creates diploid cells What is meiosis? - answers -cell division - creates sex cells, haploid cells Left ventricle - answers -pumps oxygen rich blood out to other parts of the body Parts of the heart - answers -the right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle. The right ventricle pumps the oxygen-poor blood to the lungs. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.
Asteroids Comets Meteors - answers - Layers of the earth - answers -inner core Outer core Mantle Crust 3 types of rocks - answers -igneous Sedimentary Metamorphic Weathering - answers -chemical - acid rain Physical - ice, wind, rain Barometric pressure - answers -use it to predict weather Low pressure generates storms Integer - answers -a positive or negative number and 0 Whole numbers - answers -counting numbers and 0 Not prime - answers -a composite number Improper fraction - answers -numerator is bigger than the denominator Volume of a cylinder - answers -πr2 x h (radius x height) What is an example of newton's third law? - answers -an inflated balloon moves through the air when a jet of air leaves its neck as it deflates Which chamber of the heart labeled in the Diagram above is primarily responsible for Pumping blood to most of the organs and Tissues of the body? - answers -left ventricle What is an example of cell division where the genetic material is halved? - answers -a cell in the testes of a male sparrow divides and produces 4 sperm T/f The full moon is never in the sky at the same time as the sun - answers -true Common factor Vs
Common multiple - answers - Tile problem from practice test - answers -find the factors for each side The factors in common are the square sizes √ 8 - answers -√ (2 x 2 x 2) = 2√ Perfect squares - answers -4, 9, 16, 25 (2x2) (3x3) (4x4) (5x5) What percent of 8 is 2? - answers -x/100 x 8 = 2 Igneous rocks - answers -basalt Obsidian Granite Metamorphic rocks - answers -marble Slate Schist Sedimentary - answers -sandstone Silkstone Shale Rock salt Angle bisector - answers -divides the angle into equal parts Table salt - answers -sodium chloride Ionic bonds in compounds - answers -with a metal (sodium) and nonmetal (chlorine) Metallic ion gives up electron Nonmetallic ion takes electron Water pressure increases with depth - answers -the deeper the water, the greater the pressure Symbiotic relationships - answers -whale and barnacle Egrets and rhinocerous Fungi and orchids Predator prey relationship - example - answers -fox and chicken Brain stem - answers -part of the nervous system; cord, life support, respiration, heartbeat, active during sleep
Species (most specific) What is the lifecycle of a butterfly? - answers -1. Egg - laid on a leaf on purpose
- Larvae or caterpillar - eat all day
- Pupa (cocoon) - metamorphasis
- Adult - butterfly, imago stage, only alive a few weeks and mate for most of it What is the lifecycle of a frog? - answers -1. Egg
- Tadpole (polywog) - gills and tail
- Tadpole with legs - back legs first then front
- Froglet - converts to breathing air, crawls onto land
- Adult frog - no tail What is the lifecycle of a mouse? - answers -mice are mammals and warm blooded, they look like their parent when they're born (as oppose to buttery or frog)
- Born without hair - deaf and blind
- Childhood - have hair, eat solid food
- Adults - reproduce How far back can you date something based on carbon 14 half lives? - answers - radioactive dating only works for 50,000 years How would you date a moon rock? - answers -by the ratio of radioactive potassium to argon (based on the amount of radioactive material left) What is the amount of increase of the energy released for every point on the richter scale? - answers -31.7 times increase So from 4 to 6 it's 31.7 x 31.7 since its a two point increase Weather in low pressure vs high pressure area - answers -low pressure has poor weather High pressure has improving weather How much of the moon is lighted during the first and third quarter? - answers -half
