Water, Carbs, Lipids Review Worksheet

Name: ________________________________________________________ Date: ________________ Period: ______
Water, Carbs, Lipids Review Worksheet
Use your book and/or notes to help you complete the questions on this worksheet.
Water Vocabulary
1. Polar ___________
2. Cohesion ___________
3. Adhesion ___________
4. High specific heat _________
Choice Bank
A) Waters ability to bond with another water molecule
B) Atoms that have regions of positive charge and other regions of
negative charge
C) Concentration of H+ ions within a solution
D) Waters ability to bond with molecules other than water
E) Waters ability to resist changes of temperature
5. pH ___________
-----------------------------------------------------------------------------------------------------------------------------------------------------------6. How many protons, neutrons, and electrons does hydrogen and oxygen contain? (Use the Periodic table
squares below to help.)
Hydrogen
Oxygen
Protons
Electrons
Neutrons
7. Use an “X” to represent the electrons of hydrogen. Use a “○” to represent the electrons of oxygen. Draw the
correct number of electrons into the water molecule picture below.
8. Draw and number the pH scale in the space below. Label the areas for neutral, acids, and bases.
9. Plot the following items on your pH scale.
Milk = 6.4
Vinegar = 3.0
Ammonia = 12
Baking soda = 8.4
10. Which item is the strongest acid? ______________________
Blood = 7.4
Strongest Base? _______________________
11. Which item has the greatest concentration of H+ ions? ______________ ____
Lowest? ________________
12. Which item has the greatest concentration of OH- ions? _________________
Lowest? ________________
13. How many protons does carbon contain? ____________
Neutrons? ___________
Electrons? ___________
14. Draw an atom of carbon in the space below. Be sure to include the proper number of protons, neutrons,
electrons, and energy levels.
15. Fill In the table and name the monomers and polymers of carbohydrates and lipids.
Monomers
Polymer
Carbohydrates
Lipids
16. Name the four different types of organic molecules.
17. Which type of organic molecule is most commonly broken down as a source of energy? _________________
18. Carbohydrates usually have a 1:2:1 ratio of C to H to O. If this is true, how many hydrogen and oxygen atoms
would a carbohydrate with 8 carbon atoms contain?
Hydrogen = ______________
Oxygen = ______________
19. What is the purpose of the following polysaccharides?
Starch
Glycogen
Cellulose
20. Name the three basic types of lipids. ___________________________________________________________
21. Fill in the review table below about fatty acids.
Saturated fats
Characteristics
State at room
temperature
Commonly found
in which type of
organisms
Types of bonds
connecting
carbon atoms
Unsaturated fats