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Date: ________
Subject:______
7 – Diffusion, Osmosis
Photosynthesis, Cellular
Respiration
Unit Review
Name:_____________
Section:_________
L.OL.07.61 - Recognize the need for light to provide energy for the production of carbohydrates, proteins and fats.
L.OL.07.62 - Explain that carbon dioxide and water are used to produce carbohydrates, proteins, and fats.
L.OL.07.63 - Describe evidence that plants make, use and store food.
P.EN.07.43 - Explain how light energy is transferred to chemical energy through the process of photosynthesis.
Understand the following concepts to perform well on the upcoming assessment.
Processes
1) Photosynthesis is the opposite of ________________________________________________________
2) Photosynthesis requires 3 raw materials/reactants. These are: ___________________________________
______________________________________________________________________________________
3) The 2 products/end products of photosynthesis include: _______________________________________
______________________________________________________________________________________
4) What is the formula for photosynthesis? ___________________________________________________
5) Cellular respiration requires 2 raw materials/reactants. These are: _______________________________
______________________________________________________________________________________
6) The 3 products/end products of cellular respiration include: ____________________________________
______________________________________________________________________________________
7) What is the formula for cellular respiration? ________________________________________________
8) What part of the plant leaf allows gas exchange to occur? _____________________________________
9) Identify one example of a consumer: ______________________________________________________
10) Why do you consider this organism a consumer? ___________________________________________
11) Identify one example of a producer: ______________________________________________________
12) Why do you consider this organism a producer? ____________________________________________
13) Explain how diffusion of oxygen, carbon dioxide and water vapor happens in leaves: ______________
______________________________________________________________________________________
14) What is the difference between diffusion and osmosis?_______________________________________
______________________________________________________________________________________
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GMS - 7th Grade Science
15) Identify the following as a good source for carbohydrates, lipids (fat), or proteins. Remember all
foods have a little bit of each.
potato __________________________
wheat ____________________________
rice _____________________________
pumpkin seeds _______________________
peanut butter ______________________
milk _____________________________
olive oil _________________________
bread ____________________________
oats ________________________________
sweet potatoes ___________________________
sunflower seeds __________________________
eggs ________________________________
salmon ________________________________
tuna __________________________________
beans ________________________________
chicken _______________________________
16) Diagrams
In the space below draw and label the diagram showing how photosynthesis and cellular respiration work
in a cycle. Label: light energy, H20, CO2, C6H12O6, roots, leaves, lungs
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17) Using the photosynthesis equation below, identify each term as a raw material or an end product
of photosynthesis.
CO2 + H2O + energy (light)
C6H12O6 + O2
_____________________ Water
______________________ Carbon Dioxide
____________________
Glucose
____________________
Oxygen
____________________
Light Energy
18) Using the Cellular Respiration equation below, identify each term as a raw material or an end
product of photosynthesis.
C6H12O6 + O2
CO2 + H2O + energy (ATP)
_____________________
Water
______________________ Carbon Dioxide
____________________
Glucose
____________________
Oxygen
____________________
Light Energy
19) Which 3 elements make glucose? _______________________________________________________
20) Explain the relationship between photosynthesis and cellular respiration.
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