1. DO NOW 1/20/14 If you have not done so hand in the following in the blue tray… 1. Lab Handout Questions Completed (1 per PERSON) (1 per PERSON) Get into your usual review game/lab groups.

2. MIDTERM REVIEW A scientist was trying to see if the amount of water a plant gets affects plant growth. She collected 10 identical plants and gave them different amounts of water. She measured their growth daily. The plants received the same amount of sunlight. 1. manipulated (independent) variable? 2. responding (dependent) variable?

3. MIDTERM REVIEW A scientist was trying to see if the amount of water a plant gets affects plant growth. She collected 10 identical plants and gave them different amounts of water. She measured their growth daily. The plants received the same amount of sunlight. 1. manipulated (independent) variable? amount of water plant gets amount of water plant gets 2. responding (dependent) variable? plant growth plant growth

4. MIDTERM REVIEW This is a possible explanation for a set of observations or answers to a scientific question (an educated guess). Answer: hypothesis

5. MIDTERM REVIEW This is how many kilometers (km) 660000.0 centimeters (cm) equals. Answer: 6.6 km

6. MIDTERM REVIEW This is the number of kilograms (kg) a person is if they weigh 242 pounds (lb). 1kg = 2.2 lb Answer: 110.0 kg

7. MIDTERM REVIEW What type of microscope is shown in the image to the right? It’s the type of microscope you would use to observe a living cell. Answer: Compound Light Microscope 0 1.

8. MIDTERM REVIEW moves the body tube up & down up & down for focusing Answer: course adjustment 0 1.

9. MIDTERM REVIEW regulates the amount of light entering the body tube Answer: diaphragm 0 1.

10. MIDTERM REVIEW This is the point beyond which a microscope image becomes blurred and detail is lost. Answer: limit of resolution

11. MIDTERM REVIEW This is the study of life. Answer: biology

12. MIDTERM REVIEW These are the 5 characteristics of life. Answer: composed of cells, reproduce, growth & development, use & obtain energy, respond to stimuli

13. MIDTERM REVIEW This is an organisms ability to maintain stable conditions necessary to life. Answer: homeostasis

14. MIDTERM REVIEW Water (H 2 O) is considered a _____ molecule because, due to the uneven distribution of electrons, it is mostly positively charged on one end (near the hydrogen atoms) and negatively charged on the other (near the oxygen atom). Answer: polar

15. MIDTERM REVIEW What type of change occurs when liquid water (H 2 O) freezes; Is a phase change a chemical or a physical change? Answer: physical change

16. MIDTERM REVIEW This is why a sodium atom (Na) becomes a sodium ion (Na + ). Answer: it loses an electron

17. MIDTERM REVIEW This type of bond is formed when electrons are shared. Its the bond that forms between nonmetals (i.e. holds together H 2 O & CO 2 ) Answer: covalent bond

18. MIDTERM REVIEW This is what forms during a neutralization reaction where a strong acid (H+ ion) is mixed with a strong base (OH- ion). Answer: water (H 2 O)

19. MIDTERM REVIEW When placed in a solution, what do acids release? Answer: hydrogen ions (H + )

20. MIDTERM REVIEW salt water solution 1. homogenous or heterogeneous? 2. water: solvent or solute? Answer: 1. homogenous 2. solvent

21. MIDTERM REVIEW These are the 7 essential elements of life. Answer: carbon, hydrogen, nitrogen, oxygen, phosphorus, sulfur, & calcium

22. MIDTERM REVIEW If something is considered organic, it is made of this element. Answer: carbon

23. MIDTERM REVIEW This is the reaction in which small molecules join to form a large molecule, removing water in the process. Answer: dehydration synthesis

24. MIDTERM REVIEW This is a catabolic reaction that splits apart molecules with the consumption of water. Answer: hydrolysis

25. MIDTERM REVIEW These are the organic compounds that are commonly known as fats, oils, & waxes. They have a >2:1 ratio of H:O Answer: lipids

26. MIDTERM REVIEW These are the organic compounds commonly known as sugars and starches. They have a 2:1 ratio of H:O Answer: carbohydrates

27. MIDTERM REVIEW What is the monomer unit of proteins? Answer: amino acid

28. MIDTERM REVIEW These nucleotides bond together to form what type of macromolecule? DNA, RNA, & ATP are all examples of thismacromolecule. Answer: nucleic acid

29. MIDTERM REVIEW 1. Organic or Inorganic? Answer: inorganic

30. MIDTERM REVIEW 1. Organic or Inorganic? Answer: inorganic

31. MIDTERM REVIEW 1. Organic or Inorganic? 2. Type of Macromolecule? 3. How do you know? Answer: 1. Organic 2. Lipid 3. >2:1 H:O

32. MIDTERM REVIEW 1. Organic or Inorganic? 2. Type of Macromolecule? 3. How do you know? Answer: 1. Organic 2. Protein 3. N

33. MIDTERM REVIEW 1. Organic or Inorganic? 2. Type of Macromolecule? 3. How do you know? Answer: 1. Organic 2. Carbohydrate 3. 2:1 ratio H:0

34. MIDTERM REVIEW This is the basic unit of life. Answer: the cell

35. MIDTERM REVIEW Type of cells that do NOT have a nucleus or membrane bound organelles. Answer: prokaryotes

36. MIDTERM REVIEW process that requires the addition of energy and moves material across a cell membrane against a concentration gradient. Answer: active transport

37. MIDTERM REVIEW 1. The image shows this. 2. Is it active or passive transport? Answer: 1. diffusion 2. passive transport

38. MIDTERM REVIEW diffusion of materials across a cell membrane assisted by carrier molecules Answer: facilitated diffusion

39. MIDTERM REVIEW The image shows 1. endocytosis or exocytosis? 1. endocytosis or exocytosis? 2. pinocytosis or phagocytosis? 2. pinocytosis or phagocytosis? Answer: endocytosis and pinocytosis?

40. MIDTERM REVIEW What is the double layer of the cell membrane composed of Answer: lipids

41. MIDTERM REVIEW 0101 0202 0303

42. Which organelle produces proteins; it is the smallest of the organelles Answer: ribosomes

43. MIDTERM REVIEW This is made up of both the living (biotic) & nonliving (abiotic) components of the environment? Answer: ecosystem

44. MIDTERM REVIEW In a food chain, the passage of _____ goes in a one-way direction; once used by an organism it is lost as heat. Answer: energy

45. MIDTERM REVIEW Does the graph show logistic or exponential growth? Answer: exponential growth

46. MIDTERM REVIEW What is a large, relatively distinct terrestrial region with similar climate, soil, flora (plants) & fauna (animals); any environment that has a characteristic climax community? Answer: biome

47. MIDTERM REVIEW Which biome is characterized as having a generally warm climate all year, receives 200 – 400 cm of rainfall each year, soil poor in nutrients, & hosts a large number of varied species? Answer: tropical rainforest.