Smear Chapstick on the answers you've marked. Theoretically, greasing your answers with Chapstick will confuse the machine and cause it to fail marking anything on the test form. Reportedly, this works up to 25% of the time, though some test administrators report that it's an unsuccessful method of fooling the machine.ow to Cheat on a Scantron Test. Three Methods: Messing With the Bubbles Messing With the Lines on the Form Cheating the Old Fashioned Way. Test scoring machines scan testing forms to mark incorrect answers wrong.
Snake Movement. The key to snakes' agility -- hundreds of vertebrae and ribs -- is closely related to the key to their locomotion: ventral scales. These specialized rectangular scales line the underside of a snake, corresponding directly with the number of ribs. The bottom edges of the ventral scales function like the tread on a tire, gripping the surface and propelling the snake forward. Snakes have four basic methods of movement:
(Hint: itâs not just about smelling). Figure 1. Illustration of the externally visible landmarks which were digitized: the right tip of the tongue, the left tip of the tongue, the point of bifurcation of the fork, the midtongue, and the posteriormost visible point of the tongue. It has long been thought that snakes flick their tongues in order to âsmellâ their environments. However, is this the only reason for the seemingly-constant snake tonguing? To see what else snakes might be up to with all that lingual action, these biologists recorded snake tongues with four high-speed video cameras and reconstructed a 3D model of the tongue in motion. This detailed investigation revealed that the snakes actually perform two types of tongue flick: one for smelling things in the air, and another that seems optimized for tasting objects on the ground. The function of oscillatory tongue-flicks in snakes: insights from kinematics of tongue-flicking in the banded water snake (Nerodia fasciata).