Life Review Worksheet Directions: Answer as much as you can without using notes, etc. See how much you actually know by highlighting/starring what you don’t. Spend most your time reviewing what is highlighted/starred. This WS is for a basic review and does not include every topic/section covered. Life Characteristics (1.1 ‐ 1.2) 1. List the traits/characteristics that all of life share and a brief explanation:
a. ______________________________________________________________________________ b. ______________________________________________________________________________ c. ______________________________________________________________________________ d. ______________________________________________________________________________ 2. Define organism:______________________________________________________________________ ____________________________________________________________________________________ 3. Define species: _______________________________________________________________________ 4. How do we know when animals are of different species? Of the same? __________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 5. Where is biodiversity the greatest? _______________________________________________________ a. Why? _________________________________________________________________________ ______________________________________________________________________________ 6. Give an example of each and explain each example: a. Autotroph: ____________________________________________________________________ b. Heterotroph: ___________________________________________________________________ 7. Which type of reproduction creates genetic diversity? Why? __________________________________ ____________________________________________________________________________________ 8. Give an example and explanation for each unifying theme of biology below: a) Structure & Function
c) Adaptation & Evolution
Metric System 9. Using your knowledge of the Metric System, what unit of measure would you use for the following?
a. Mass/weight of an object: _____________________ b. Depth/length of an object: _____________________ c. Measure the volume/liquids: ___________________ 10. Answer the following (hint: write out the metric chart): a. 0.63 daL = __________________ mL b. 3,459mm = _____________________ dm c. 0.1237 hg = _________________ cg d. 9.38km = _____________________ dam Scientific Method (1.3) 11. Place the following steps of the scientific method in order using number one for the first step. _______ Write a conclusion and share your results. _______ Evaluate your results. _______ Form a hypothesis in an “If…,then…” statement (possible solution to problem). _______ Do background research on your problem. _______ Make an observation/state a problem. _______ Design an experiment _______ Collect and analyze your data. 12. The city of Los Angeles wants to know if there is a connection between physical fitness and air pollution. Fifty volunteers from the mayor’s office agree to be tested. First, they are asked to ride a stationary bike for 1 hour in a pollution‐free air chamber. A week later, the 50 volunteers return and are again asked to ride a stationary bike for 1 hour in a chamber filled with air pollutants common to Los Angeles. Their heart rates are monitored throughout the 1 hour bike rides. a. Name the control group: _________________________________________________________ b. Name the experimental group: ____________________________________________________ c. Name the independent variable: ___________________________________________________ d. Name the dependent variable: ____________________________________________________ 13. If you were to create a graph for the above scenario, what type of graph would you create? _________ a. Explain: _______________________________________________________________________ b. How would you label/title the “Y” axis? _____________________________________________ c. How would you label/title the “X” axis? _____________________________________________
14. Compare and contrast the following:
Atoms and Molecules (2.1) 15. How many protons, neutrons, and electrons are in the following: Boron (B) Sodium (Na) p = __________ n = __________ e = __________
p = __________ n = __________ e = __________
p = __________ n = __________ e = __________
16. Compare and contrast the following: Covalent Bonds
17. Match the terms with their appropriate definition. _______ An atom that has lost/gained electron(s), giving a + or – charge. _______ A substance made up of one type of atom (can’t be broken down by simple chemical means).
a. Element b. Molecule c. Compound
_______ The smallest basic unit of matter
_______ A molecule composed of two or more elements.
_______ Two or more atoms held together by covalent bonds.
18. Draw the electron configuration for the molecule CO2 (Carbon Dioxide): P = 8 P = 8 P = 6
19. Is CO2 a stable molecule? Explain: ________________________________________________________ ____________________________________________________________________________________ 20. What type of bond is formed between C and O2? ____________________________________________ a. How can you tell this? ___________________________________________________________ 21. Fill in the number of electrons in the correct energy levels below: Oxygen (O) Beryllium (Be)
P = n =
P = n =
a. By itself, is oxygen stable? Explain. ____________________________________________________ _________________________________________________________________________________ b. By itself, is beryllium stable? Explain. __________________________________________________ _________________________________________________________________________________ 22. Draw an arrow(s) to show what will happen to the electron(s) between O andBe to form BeO. 23. What type of bond has formed between O and Be? __________________________________________ 24. Fill in the table below to show the charge of Oxygen and Beryllium before and after bonding.
25. Is BeO considered a stable compound? Explain: _____________________________________________ ____________________________________________________________________________________