PHYSICAL SCIENCE -- MOCK QUIZ
NOTE: This is not guaranteed to completely cover the quiz questions, but should point you to the most significant material to review. Most answers are in the notes and packets provided in class, a few other answers are on the next page.
ALSO: Following the answers are two pages of practice factor-label problems. These are identical to the problems found within the “UNIT ONE” document. I would suggest doing a few of these problems – the quiz will contain 2 or 3 factor-label problems.
1. List five Science Process Skills:
2. List the five steps to follow when doing unit conversions:
3. List the basic metric units.
4. List the meanings of: milli- ______centi- ______kilo- ______
5. Simple conversions: 14.5 km = ______m 3.55g = ______cg .56L = ______mL
6. Define: accurate, precise
7. A large dog is known to have a mass of 51.77kg. The following readings were obtained from a balance: 51.78kg, 51.76kg, 51.77kg. These data are:
A. accurate and precise B. accurate, but imprecise
C. precise, but inaccurate D. inaccurate and imprecise
8. Practice using the six metric approximations.
9. Go over other definitions and concepts in Chapter 1.
10. Review measurement – see the measurement portions of the powerpoint on the web page.
11. Practice determining range, mode, median, and mean, such as for the following masses.:
6.4g, 4.8g, 10.1g, 9.1g, 7.2g, 6.4g, 8.8g
12. Review your class policy
13-16. A company decided to try different levels of background music in its office. They then measured how many documents (all of the same type) each worker processed. The music levels were 44, 48, 52, and 56 decibels. They tested two days at each of the levels.
13. The type of document is the (a):
A. independent variable B. dependent variable C. constant
14. The music level is the (a):
A. independent variable B. dependent variable C. constant
15. If the results are graphed, what will appear on the horizontal axis?
A. type of document B. music level
C. number of documents processed D. number of days
16. What type of graph should be used?
A. pie B. bar C. line D. It doesn’t matter
17. .34 meters is the same as ____ millimeters.
A. .00034 B. .0034 C. 34 D. 340
18. A large chicken would weigh approximately ____ kilograms.
A. 4000 B. 400 C. 40 D. 4
SOME ANSWERS:
4. List the meanings of: milli- __.001___ centi- ____.01____ kilo- ___1000____
5. Simple conversions: 14.5 km = _14 500_m 3.55g = __355_cg .56L = __560_mL
7. A large dog is known to have a mass of 51.77kg. The following readings were obtained from a balance: 51.78kg, 51.76kg, 51.77kg. These data are:
A. accurate and precise B. accurate, but imprecise
C. precise, but inaccurate D. inaccurate and imprecise
11. Practice determining range, mode, median, and mean, such as for the following masses.:
6.4g, 4.8g, 10.1g, 9.1g, 7.2g, 6.4g, 8.8g
The range is from 4.8g to 10.1g. The mode is 6.4g.
The median is 7.2g. The mean is 7.5g.
13 C 14 A 15 B 16 C 17 D 18 D
REMINDER: The quiz will contain 2 or 3 factor-label problems. Doing some of the following would be excellent practice.
ADDITIONAL FACTOR-LABEL PRACTICE NAME: ______
1. (Shelby R.) How many kilograms of rubber will be needed to make 1170 2.00 ounce erasers? (66.4 kg)
2. (Ashley S.) Christine is buying 4 mini-TVs for her family members. List price is $119.99, but she gets a 15% discount. How much (pre-tax) will the TV’s cost? ($407.97)
3. (Ashley C.) If a cow drinks 5.0 gallons of water each day, how many liters of water would a farmer need to put out each day for 4 cows? (76 L)
4. (Alana G.) A flight attendant is responsible for 89 passengers. How many .50L bottles of water must the attendant have on hand to provide two 8.0 ounce drinks for each passenger. Assume 10.0% waste. (94)
5. (Aja G.) There are exactly 200 dogs in a shelter. The average dog consumes 1.1 lb of food per day. How many 25 lb bags of food are needed for a week? (62 bags)
6. (Steph H.) Miss Mary Mack is having a huge picnic. 500 people are invited, but only 75% will show. You have to bring potato salad. If each guest will eat .40 lb of potato salad, how many kilograms should you bring? (68 kg)
7. (Kristina P.) A trucker is taking his loaded tanker 3047 miles west. He gets about 11 miles to the gallon. The truck has three 60.0 liter tanks. How many fuel stops will the trucker have to make on this trip? (5.8)
8. (Rachel P.) Martha is making scrambled eggs for 30 guests at her bed and breakfast. Each guest receives two eggs. If eggs cost $1.25 a dozen, how much will it cost for three days worth of eggs? (18.75)
9. (Triana R.) An American scientist is shipping three dozen tree frogs to a Japanese zoo. Each frog weighs .30 lb. As the label must be metric, what is the total mass of frogs in kilograms? (4.9)
10. (Katie F.) A lemon produces 8.0 oz of juice. How many lemons will be needed to make 40 16oz glasses of lemonade if 80% of the lemonade is sugar and water? (16)
11. (Heather M.) Compute the number of vegetables neede to give 348 CSA subscribers three boxes of veggies each, if each box holds 15 vegetables. (15660)
12. (Amber H.) If 150 students drive to school, but only 70.0% have permits, how many hours of detention will be served by students that do not have permits? (112.5)
13. (Megan D.) A farmer has 200 cows, each weighing around 700 lb. The farmer’s truck has a capacity of 4000kg. How many trips will it take to haul all of the cows to a new field? (16)
14. (Erik S.) A swimming pool holds 17 000L of water and has a small leak. If 70ml of water leaks every 15 minutes, how long will it take for the pool to drain completely? (843 days)
15. (Tavia G.) Every day, 682 people come into the farmer’s market. A vendor is selling a new item, and expects 46% of the people to purchase an average of 3 (each) of these items. How many items should the vendor have on hand? (950)
16. (Tavia G.) You need to weigh 195 parakeets that just came in to your pet store. How long will this take, in hours, if you can usually weigh 2 parakeets each minute? (2)
17. (Kaitlin N.) You are in charge of handing out grapefruits at the county fair, in bags of 7. The grapefruit come in cases of 42, and you will distribute 12 cases. How many bags do you need? (72)
18. (Brandon R.) Exactly 40 000 people will attend the Penguins home opener. If 68% of these people wear jerseys, how many jerseys will be worn? (27 000)
19. (Haley H-P) A faucet is drip-drip-dripping at a rate of 3.0ml per minute. How many gallons of water does it waste each week? (8.0)
20. (Shelby R.) If a runner runs at 6.5 miles per hour, how long will it take her to run a 5k? (5k = 5.00 km) (29 min)
21. (Shelby R.) How many wheel barrow loads will it take to move a 3.0 ton load of topsoil. Each wheelbarrow load holds 40.0 kg. (68)
22. (Jennifer B.) Sally reads at 310 words per minute. How many hours will it take her to read a 475 page book? Average page length is 250 words. (6.4)
23. (Jennifer B.) A pack has 12 pieces of gum. If each pieces flavor lasts 17 min, how many hours will it take to rid all 12 pieces of flavor? (3.4)
24. (Mr.K) If, while chewing this gum, Mrs. Kudrick is crossing the Nevada desert at the posted 75 MPH, how many kilometers will the gum last? (410)
25. (Mr. K) If a certain, un-named, teacher is reading through factor-label problems at the rate of 8 every 5 min, and chooses 22% of these problems to create this worksheet, how long did it take? (71 min)