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What are the three subatomic particles that make up atoms?
Protons, electrons, neutrons
Is chopping wood a chemical or physical change?
physical
What is the Subscript of Nitrogen gas (N2) in the following equation?
N2+ 3H2-> 2NH3
2
What is the definition of Autotroph?
Organisms that create their own food using energy from the sun
What organisms perform cellular respiration?
All living organisms (heterotrophs AND autotrophs)
What is the atomic mass of Carbon?
12.011 AMU
What does the conservation of mass state?
Matter cannot be created nor destroyed
What are the reactant(s) in the following equation?
2H2O -> 2H2 + O2
H2O / water
What organelle does photosynthesis take place in?
Chloroplast
What are the reactants in cellular respiration?
Oxygen and Glucose
What trophic level eats autotrophs?
(THE NAME!)
Primary consumers
What is an endothermic reaction?
Energy is being absorbed from the environment, it feels cold
Balance the following equation:
Na + O2 --> Na2O
4Na + O2 --> 2Na2O
What are the reactants of photosynthesis?
Carbon Dioxide and Water
If we dissolve Carbon Dioxide in water, will the water be neutral, alkaline, or acidic?
Acidic
What are the three types of rock? :)
Sedimentary, metamorphic, igneous
Exothermic
How many grams of Oxygen is produced in the following equation?
5 grams 2H2O -> 3 grams 2H2 + O2
2 grams of Oxygen
What part of photosynthesis does not need to happen during daytime?
Light-Independent reactions (calvin cycle)
What is the point of cellular respiration? (Why do our cells do it?)
Cells break down glucose to get usable energy for our bodies.
What is the charge of an atom that has 12 electrons, 11 protons, and 10 neutrons?
Negative
Is burning a match a chemical or physical change?
chemical
Balance the following equation:
CH4+O2 -> CO2+H2O
CH4 + 2O2 --> CO2 + 2H2O
Where do plants absorb carbon dioxide?
Stomata
Why are your muscle cells capable of producing more energy than your skin cells?
Muscle cells contain more mitochondria