Photosynthesis
What are the inputs of photosynthesis
Sunlight, water, carbon dioxide
What are the outputs of cellular respiration
Carbon dioxide, water, ATP
What should you do after you know your problem?
Identify criteria and constraints
Variable that stays the same
Control
What problem are we trying to solve with our greenhouses?
Food insecurity in Lowell
What kind of organisms can do photosynthesis?
Glucose and oxygen
Identify the problem
Variable we change on purpose
Independent
Our cardboard greenhouses are ___________ for a real greenhouse you could make.
What are the outputs of photosynthesis
Glucose and oxygen
What is the energy molecule our cells used called?
ATP
What is a test item called?
prototype
Ms Bailey wants to know how type of seed affects seed germination. What is the independent variable?
Type of seed
What are some control variables in our greenhouse project?
Water, type of seed, soil, pot, sunlight
Where does photosynthesis take place?
Chloroplast
Where does cellular respiration take place?
Mitochondria
Why do you need to go back and fix a prototype after testing it?
To make it better
Variable we measure
Dependent
What is the independent variable of our greenhouse project?
Identify the forms of energy in:
- glucose
- sunlight
glucose - chemical
sunlight - radiant
Aerobic respiration (with oxygen) releases __________ ATP than anaerobic (without oxygen)
What is the last step of the engineering design process?
Communicate your results
Why do we only change one variable at a time?
To make sure only thing is getting tested to get accurate results
temperature, humidity, plant height