What is this?
H2O
Water
These go into a chemical reaction.
reactants
Name this equation:
6H2O + 6CO2 + Sunlight -> C6H12O6 + 6O2
Photosynthesis
Which of these is evidence for a chemical reaction?
a. a gas forms
b. melting
c. dissolving
d. freezing
a gas forms
Organelle where photosynthesis occurs
Chloroplast
What is this?
C6H12O6
Glucose
These come out of a chemical reaction (what is made)
products
What are the reactants of photosynthesis?
Carbon dioxide and water
True/false:
Burning a log on a campfire is an example of a chemical reaction.
True
Organelle where cellular respiration occurs
Mitochondria
What is this?
CO2
Carbon Dioxide
What happens to the atoms in a chemical equation?
a. the products rearrange to form the reactants
b. the reactants rearrange to form the products
c. the atoms appear out of nowhere
d. all of the atoms vanish
b. the reactants rearrange to form the products
Name this equation:
C6H12O6 + 6O2 -> 6H2O + 6CO2 + ATP (energy)
Cellular Respiration
The reactants ____ have the same number of atoms as the products.
a. always
b. most of the time
c. never
a. always
Which are able to perform cellular respiration?
Plants, animals, both, neither
Both plants and animals
Which molecule is the largest (contains the most atoms)?
water, carbon dioxide, glucose, oxygen
glucose
C6H12O6
What is the difference between an atom and a molecule?
Atoms bond together to make molecules.
What are the products of cellular respiration?
Carbon dioxide and water
Describe what happens in photosynthesis. You MUST use the following words:
sunlight, oxygen, carbon dioxide, water, glucose
Carbon Dioxide enters the plant, water vapor and oxygen exit the plant through tiny pores called _________________.
stomata
6H2O + 6CO2
How many Oxygen atoms are present?
18 total oxygens
(this isn't on your quiz, but we have talked about it in class!)
Clumps forming during a chemical reaction
C6H16O6 + 6O2 -> 6H2O + 6CO2
What is wrong in the above equation?
It should be: C6H12O6 , Not C6H16O6
Which of these is NOT a chemical reaction?
-dissolving sugar into water
-burning a match
-alka seltzer combining with water to release a gas
-glucose breaking into water and carbon dioxide molecules
-rust forming on a metal bike
-dissolving sugar into water
In photosynthesis, energy is _____. In cellular respiration, energy is _____.
**No word bank. You need to get BOTH blanks correct.
In photosynthesis, energy is _stored____. In cellular respiration, energy is _released____.