science Flashcards
What rae the steps to counting atoms in an equation?
Identify each element, Look at the subscript (small number next to the element), If there is a coefitient (big number infront of the molecule) multiply it by the subscript.
Give 3 examples of synthetic materials and the natural materials they are made out of.
Plastic: oil
Polyester:petrolum
glass: sand
What are the inputs and outputs of photosynthesis?
Inputs: Sunlight, carbon dioxide, water.
outputs: Glucose, oxygen.
What is the equation for photosynthesis?
6CO2+6H20+sunlight=C6H12O6+6O2
What is melting?
Solid to liquid
what is freezing?
liquid to solid
what is evaporation?
liquid to gas
what is condensation?
gas to liquid
what is sublimation?
solid to gas
what is deposition?
gas to solid
What is boiling water?
An endotheric reaction because it absorbs heat making particles move faster.