MTTC Integrated Science (Elementary) Exam Questions With Verified Answers

Heat Unit - Answer Calorie Why do ocean areas near deep water and strong currents tend to be very rich in marine life? - Answer Upwelling from deeper water raises water-enriching nutrients to the surface. What is the most common element found in the earth's crust? - Answer Oxygen Which element is most abundant in the atmosphere - Answer Hydrogen (Helium is second) 0 decibels - Answer softest sound humans can hear Bernoulli's Principle - Answer can be used to calculate the lift force on an airfoil if the behavior of the fluid flow in the vicinity of the foil is known Earth Sciences - Answer Meteorology, Astronomy, Geology (Not BIOLOGY) How many stars in galaxy (milky way)? - Answer 180 Billion (150-200) How many galaxies? - Answer 100 billion Reptiles lay eggs? - Answer On land Amphibians lay eggs? - Answer In Water Center of subatomic particle - Answer proton ( a neutron could be in the center but it WOULD NOT be on it's own) Spiders and Crabs belong to this same phylum - Answer Arthropoda. altostratus cloud - Answer high in the sky and flat and layers stratocumulus cloud - Answer low, with flat, layered bottoms and puffy tops cumulonimbus cloud - Answer thunderstorm clouds Brownian movement - Answer a vibratory movement of the cells due to their bombardment by water molecules in the suspension Intensity of Light and Distance - Answer As object moves away from light It would decrease by the distance squared. John Dalton - Answer His contributions to atomic theory and gas laws. altocumulus clouds - Answer high fluffy and small Covalent Bond - Answer Example: bonding between oxygen and hydrogen in a molecule of water (H2O)