11th Grade Science Test Questions With Already Passed Solutions() Graded A+

saturated fats - Answer example: animal fats unsaturated fats - Answer example: vegetable oil enzymes - Answer proteins that catalyze, or speed up, chemical reactions digestion - Answer process of breaking down food into smaller molecules that body cells can absorb law of conservation of matter - Answer atoms are neither created nor destroyed during chemical reaction cellulose - Answer form a tough, rigid structure that makes up the cell walls of plants nitrogen - Answer most abundant gas in the atmosphere nitrogen fixation - Answer process of changing nitrogen gas to compounds that can be used by plants law of conservation of energy - Answer energy is neither created nor destroyed by ordinary chemical means photosynthesis - Answer light energy is absorbed by green algae and green plants and is converted into chemical energy chloroplasts - Answer plant cell structure that contains chlorophyll chlorophyll - Answer green, energy-absorbing pigment soil - Answer combination of broken-down rock and mineral matter, organic-matter, air, and water