ACCELERATED SCIENCE 8: SUPER QUIZ (2012-2013)

Safety, Scientific Method, Measuring, Metric Conversions

Part A: Safety

  1. Before starting a lab you should…
  2. Read all directions carefully.
  3. Clear off your table of books, food, and drinks.
  4. Ask the teacher about any questions you have.
  5. All of the above.
  1. The most important thing to do whenever an accident occurs is to…
  2. Use a fire blanket.
  3. Run to the emergency shower.
  4. Use a fire extinguisher.
  5. Notify your teacher immediately.
  1. You have accidentally broken a test tube, spilling an unknown chemical on the lab table. Which of the following best explains what you should do?
  2. Use water and towels to clean up the spill, and then notify your teacher.
  3. Caution your lab partners to avoid the area while you inform the teacher of the accident.
  4. Throw the glass into the nearest trash bin and let the spill air-dry.
  5. Quickly dispose of the glass, wipe up the spill with the nearest cloth, and hope nobody notices.
  1. When should you use the emergency shower?
  2. If you or another person in the classroom is on fire.
  3. If you haven’t had a shower in a week.
  4. If there has been a chemical spill that has spilled onto your skin and is causing a reaction.
  5. If an object in the classroom is on fire.
  1. If you do not understand a direction or part of a lab procedure, you should:
  2. Figure it out as you go through the lab.
  3. Try several methods until something works.
  4. Ask the instructor before proceeding.
  5. Skip it and go on to the next part.
  1. Approved eye protection devices (such as goggles) are worn in the laboratory…
  2. To avoid eye strain.
  3. To improve your vision.
  4. Only if you don’t have corrective glasses.
  5. Any time chemicals, heat or glassware are used.
  1. Long hair in the laboratory must be:
  2. Cut short in order to participate.
  3. Held away from the experiment with one hand.
  4. Always neatly groomed.
  5. Tied back or kept entirely out of the way with a hair band, hairpins, or other confining device.

Part B: Scientific Method

  1. Selena thinks that the more text messages she sends to Justin (the boy she likes) will result in him calling her more often.Identify the independent variable.
  2. The number of text messages sent.
  3. The number of times Justin calls.
  4. How much Justin likes her.
  5. How long their relationship lasts.
  1. Four students that enjoy playing video games believe that playing the games helps to increase their hand-eye coordination skills. Which of thefollowing is an acceptablehypothesis?
  2. Student 1: If I play video games, then my hand-eye coordination will improve, because none of my friends can beat my high score.
  3. Student 2: If I play video games, then my coordination will improve, but not all games will improve my coordination.
  4. Student 3: If I play video games that involve dodging or shooting, my hand-eye coordination will increase, because they require the player to use hand and eye skills—notjust luck.
  5. Student 4: If I play more video games than my friend, then my coordination will be better than his, because I like video games more than him.

Ms. B (DWMS cafeteria manager) makes the hot lunches for 400 8th graders each day. She wants to know if different foods take longer to serve, thus making the lunch lines so long! For a week, she measures the length of time it takes the student servers to deliver each type of food.
Use the following data table to answer the questions.

Type of Meal Served / Average Time to
Serve Meal (sec)
Take Out Pizza / 8.2
Nachos Supreme / 11.5
Spicy Popcorn Chicken / 6.4
Burger w/ the Works! / 10.7
Teriyaki Chicken w/ Rice / 9.3
  1. Identify the independentvariable:
  1. Number of students served
  2. Time required to prepare the meal
  3. Grade of the students served
  4. The type of meal served
  1. Identify the dependent variable:
  2. Number of students served
  3. Average time to serve meal
  4. Grade of the students served
  5. Type of mealprepared
  1. Identify the controlled variable(s). (*Hint: There may be more than one right answer – shade in bubbles for all that apply.)
  2. Use of student servers
  3. Time required to prepare the meal
  4. Length of time spent gathering data
  5. Time it took to serve meal

Part C: Measurement

Match the measurement with the basic SI units below.

A.Length B. Volume C.Mass D. Temperature

  1. Grams
  2. Liters
  3. Celsius
  4. Meters

Match the unit with the object it would best measure.

A. Milliters (mL) B. Meters (m) C.Grams(g)

D.Kiloliters (kL)E. Millimeters (mm)

  1. Volume of water in a pond
  2. Mass of your pencil
  3. Length of the classroom
  4. Amount of liquid on a spoon
  5. Width of a penny
  6. Where do we measure our liquid level on the graduated cylinder?
  7. At the top of the meniscus
  8. Eye level, at the bottom of the meniscus
  9. Halfway in between the top and bottom
  10. Water doesn’t curve in a container.

Read the volume of the following graduated cylinders.


  1. 58.0 mL
  2. 53.0 mL
  3. 54.0 mL
  4. 56.0 mL
/
  1. 10.6 mL
  2. 16 mL
  3. 17.0 mL
  4. 13.0 mL


  1. 46.0 mL
  2. 47.0 mL
  3. 48.0 mL
  4. 46.5 mL
/
  1. 90.9 mL
  2. 90.8 mL
  3. 99.0 mL
  4. 98.0 mL

  1. A student states that the graduated cylinder in the diagram to the right contains 150 mL of water. This statement is…
  2. An inference
  3. Aprediction
  4. An observation
  5. A hypothesis
  1. The diagram below shows a rock being placed in a graduated cylinder containing water. What is the volume of the rock?

(Note: 1mL = 1cm3)

  1. 10 cm3
  2. 20 cm3
  3. 30 cm3
  4. 50 cm3
  1. A metal boltsinks to the bottom of a graduated cylinder. The mass of the bolt is 20.2 g. The cylinder contained 50.5 mL of water (Vinitial)before the bolt was put into the cylinder, afterwards the water level rose to 92.7 mL (Vfinal). Calculate the volume of the bolt(Vobject).
  1. 143.2 mL
  2. 30.3 mL
  3. 70.7 mL
  4. 42.2 mL
  1. Calculate the density of the metal bolt from the question above.
  2. 0.478 g/mL
  3. 2.089 g/mL
  4. 2.500 g/mL
  5. 4.589 g/mL
  1. A mystery blockhas a length of 50 cm, width of 25 cm and a height of 45cm. If the block has a mass of500g, what is the density of the block?
  1. 89 g/cm3
  2. 0.0089 g/cm3
  3. 0.89 g/cm3
  4. 890 g/cm3
  1. If a king’s crown were made of pure gold which had a density of 19.3 g/cm3 , but displaced 115 cm3 of water, what would be the mass of the crown?
  2. 2219.5 g
  3. 1207.5 g
  4. 5.96 g
  5. 10.95 g
  1. The diagram below shows 20 grams of two different materials, A and B, on a laboratory balance.Compared to material “A”, material “B” has a different…
  1. Density
  2. State of matter
  3. Mass
  4. Shape

Read the following triple-beam balances.

  1. 137.3 grams
  2. 30.7 grams
  3. 37.3 grams
  4. 30.73 grams
  1. 537.8 grams
  2. 568 grams
  3. 530.8 grams
  4. 536.8 grams
  1. If the triple-beam balance is not already calibrated (set to zero) before measuring the mass of an object, you must first:
  1. Move the adjustment knob.
  2. Find a new balance to use because it is broken.
  3. Move the riders.
  4. Set the riders to 610g.
  1. The diagram below shows a triple-beam balance like the ones we use in class.

What is the maximum mass, in grams, that could be measured by this balance?

  1. 110 g
  2. 610 g
  3. 500 g
  4. 510 g
  1. Based on the graduated cylinder diagram to the right, which of the following statements is true based on what you know about density and floating vs. sinking?
  1. Vegetable oil is the least dense, while corn syrup is most dense.
  2. Water is less dense than vegetable oil.
  3. Corn syrup is the least dense of all three.
  4. Water is denser than corn syrup.

Use the data table and drawing below to help you answer the following questions.

Liquid / Density (g/mL)
Rubbing alcohol / 0.79
Milk / 1.03
Honey / 1.42
Water / 0.99
  1. Which letter represents milk?

A. W B. X C. Y D. Z

  1. Which letter represents honey?

A. W B. X C. Y D. Z

Part D: Metric Conversions

  1. Which of the following metric prefixes is located at point C?
  1. milli-
  2. hecto-
  3. kilo-
  4. deka-
  1. Which value is associated with point A?
  1. 1
  2. 10
  3. 100
  4. 1000
  1. How would you move your decimal point if you were converting from milli- to centi-?
  1. One space to the left.
  2. One space to the right.
  3. Two spaces to the left.
  4. Two spaces to the right.
  1. How would you move your decimal point if you were converting from the basic unit to kilo-?
  1. Two space to the right.
  2. Two spaces to the left.
  3. Three spaces to the left.
  4. Three spaces to the right.
  1. 250 cm = ______km
  1. 2500000 km
  2. 2500km
  3. 0.0250km
  4. 0.00250km
  1. 8900 mL = ______dL
  2. 890 dL
  3. 89,0000dL
  4. 0.8900dL
  5. 89.00dL
  1. 1 hg = ______g
  1. 1,000 g
  2. 100 g
  3. 10 g
  4. 0.1 g
  1. One juice box has a volume of 194mL. Is the volume of 6juice boxes more or less than 11dL?
  1. More than 11dL
  2. Less than 11dL
  1. One fruit-by-the-foot snack is 91 cm long. Is the length of the snack more or less than 1 m?
  1. More than 1 m
  2. Less than 1 m
  1. Wanda needs to move 90 kg of rocks. She can carry 10 hg each trip. How many trips must she make?
  1. 19
  2. 9
  3. 90
  4. 900