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making a shadow stickin an open space on the school ground drive a 130 cm stick into the ground and let the children stay a record of the length of
demonstrating the effects of the angle of the suns rays on the quantity of heat and light received by the earth bend a piece of cardboard and make a
demonstrating the cause of difference in length of day and night in some places-use the similar apparatus as in 6 above mark a circle on the ball
which phrase would be incorrect to use1a molecular of a compound 2a molecule of an element3an atom of an element4none of theseans 2a molecule
a simple model of the earth and moonthe earth can be shown by an orange or other round object stuck on a piece of bamboo or a meat skewer a piece of
explain the creatinine clearance test it determines how efficiently the kidneys are clearing creatinine from the blood and serves as an estimate of
making a sun-dialto withstand all weather a sun-dial should be form of metal or painted wood a cardboard model can be formed for easy
the size of nucleus is measured in1amu2angstrom3fermi4cmans
cathode rays have1mass only2charge only3no mass and charge4mass and charge bothans4mass and charge
neutron is a fundamental particle carrying1a charge of 1 unit and a mass of 1 unit 2no charge and a mass of 1 unit3no charge and no mass4
a foucault pendulum to show the rotation of the eartha g-clamp with a ball bearing soldered to the inside of the jaw makes a excellent support
explain the urine creatinine testthis test measures the amount of creatinine in urine a measurement of the serum creatinine level is often used to
explain the serum creatinine testcreatinine is a breakdown product of creatine an important component of muscle a serum creatinine test measures the
neutron possesses1positive charge2negative charge3no charge4all are correctans 3no
sliding versus static frictionfriction force is the force exert by a surface as an object moves crosswise it or makes an effort to move across it two
the radius of an atom is of the order of1 10-10cm2 10-13 cm3 10-15cm4 10-8cmans
explain spring force fspringforce exerted by a compressed or stretched spring upon any object that attached to it an object that compresses or
explain tension force ftensforce that is transmitted by a string rope cable or write when it is pulled tight by forces acting from opposite ends the
i have an algebra test tomorrow and still don3939t understand how to simplify and solve
air resistance force fair special type of frictional force that acts upon objects as they travel by the air force of air resistance is often observed
explain friction force ffrictforce exerted by a surface as an object moves across it or makes an effort to move across it there are 2 parts of
what is normal forceforce exerted upon an object that is in get in touch with another stable object if a book is resting upon a surface then the
what is gravity force fgravforce with which the earth moon or massively large object attracts another object towards itself by meaning this is the
applied force fapp an applied force is a force that is useful to an object by a person or another object if a person is approaching a desk across the