SCIENCE 8: SUPER QUIZ (2012-2013)
Safety, Scientific Method, Measuring, Metric Conversions
Part A: Safety
1. Before starting a lab you should…
A. Read all directions carefully.
B. Clear off your table of books, food, and
drinks.
C. Ask the teacher about any questions
you have.
D. All of the above.
2. The most important thing to do whenever an
accident occurs is to…
A. Use a fire blanket.
B. Run to the emergency shower.
C. Use a fire extinguisher.
D. Notify your teacher immediately.
3. 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?
A. Use water and towels to clean up the
spill, and then notify your teacher.
B. Caution your lab partners to avoid the
area while you inform the teacher of
the accident.
C. Throw the glass into the nearest trash
bin and let the spill air-dry.
D. Quickly dispose of the glass, wipe up
the spill with the nearest cloth, and
hope nobody notices.
4. When should you use the emergency shower?
A. If you or another person in the
classroom is on fire.
B. If you haven’t had a shower in a week.
C. If there has been a chemical spill that
has spilled onto your skin and is causing
a reaction.
D. If an object in the classroom is on fire.
5. If you do not understand a direction or part of a
lab procedure, you should:
A. Figure it out as you go through the lab.
B. Try several methods until something
works.
C. Ask the instructor before proceeding.
D. Skip it and go on to the next part.
6. Approved eye protection devices (such as
goggles) are worn in the laboratory…
A. To avoid eye strain.
B. To improve your vision.
C. Only if you don’t have corrective
glasses.
D. Any time chemicals, heat or glassware
are used.
7. Long hair in the laboratory must be:
A. Cut short in order to participate.
B. Held away from the experiment with
one hand.
C. Always neatly groomed.
D. Tied back or kept entirely out of the
way with a hair band, hairpins, or other
confining device.
Part B: Scientific Method
8. 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.
A. The number of text messages sent.
B. The number of times Justin calls.
C. How much Justin likes her.
D. How long their relationship lasts.
9. Four students that enjoy playing video games
believe that playing the games helps to increase
their hand-eye coordination skills. Which of the
following is an acceptable hypothesis?
A. Student 1: If I play video games, then
my hand-eye coordination will improve,
because none of my friends can beat
my high score.
B. Student 2: If I play video games, then
my coordination will improve, but not
all games will improve my coordination.
C. Student 3: If I play video games that
involve dodging or shooting, my handeye coordination will increase, because
they require the player to use hand and
eye skills—not just luck.
D. 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
Take Out Pizza
Nachos Supreme
Spicy Popcorn Chicken
Burger w/ the Works!
Teriyaki Chicken w/ Rice
Average Time to
Serve Meal (sec)
8.2
11.5
6.4
10.7
9.3
10. Identify the independent variable:
A. Number of students served
B. Time required to prepare the meal
C. Grade of the students served
D. The type of meal served
11. Identify the dependent variable:
A. Number of students served
B. Average time to serve meal
C. Grade of the students served
D. Type of meal prepared
12. Identify the controlled variable(s).
(*Hint: There are 2 correct answers – shade BOTH)
A. Use of student servers
B. Time required to prepare the meal
C. Length of time spent gathering data
D. 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
13. Grams
14. Liters
15. Celsius
16. 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)
17. Volume of water in a pond
18. Mass of your pencil
19. Length of the classroom
20. Amount of liquid on a spoon
21. Width of a penny
22. Where would you measure the volume of a
liquid in a graduated cylinder?
A. At the top of the meniscus.
B. Eye level, at the bottom of the meniscus.
C. Halfway between the top and bottom
of the meniscus.
D. Water doesn’t curve in a container.
Read the volume of the following graduated cylinders.
23.
A.
B.
C.
D.
24.
10.6 mL
16 mL
17.0 mL
13.0 mL
A.
B.
C.
D.
90.9 mL
90.8 mL
99.0 mL
98.0 mL
25. A student states that the
graduated cylinder in the diagram
to the right contains 150 mL of
water. This statement is…
A. An inference
B. A prediction
C. An observation
D. A hypothesis
26. The diagram below shows a rock
being placed in a graduated cylinder containing
water. What is the
volume of the rock?
(Note: 1mL = 1cm3)
A.
B.
C.
D.
10 cm3
20 cm3
30 cm3
50 cm3
27. A mystery block has a length of 5 cm, width of
3 cm and a height of 4 cm. The block has a mass
of 30 g. What is the volume of the block?
A. 20 cm3
B. 15 cm3
C. 12 cm3
D. 60 cm3
28. A mystery block has a length of 5 cm, width of
3 cm and a height of 4 cm. If the block has a
mass of 30 g, what is the density of the block?
A. 0.167 g/cm3
B. 1.0 g/cm3
C. 0.5 g/cm3
D. 2.0 g/cm3
29. If a king’s crown were made of gold which has a
density of 20 g/cm3, and it displaces 100 cm3 of
water, what would be the mass of the crown?
A. 5 g
B. 20 g
C. 100 g
D. 2000 g
32. If the triple-beam balance is not already
calibrated (set to zero) before measuring the
mass of an object, you must first:
A. Move the adjustment knob.
B. Find a new balance to use because it is
broken.
C. Move the riders.
D. Set the riders to 610g.
Read the following triple-beam balances.
33.
30. 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…
A.
B.
C.
D.
137.3 grams
30.7 grams
37.3 grams
30.73 grams
A.
B.
C.
D.
537.8 grams
568 grams
530.8 grams
536.8 grams
34.
A.
B.
C.
D.
Density
State of matter
Mass
Shape
31. 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?
A. 110 g
B. 610 g
C. 500 g
D. 510 g
35. Based on the graduated cylinder diagram below,
which of the
following
statements is true
based on what you
know about how
density affects an
object’s ability to
sink or float?
A. Vegetable oil is the least dense, while corn
syrup is most dense.
B. Water is less dense than vegetable oil.
C. Corn syrup is the least dense of all three.
D. Water is denser than corn syrup.
Use the data table and drawing below to help you
answer the following questions.
Liquid
Rubbing alcohol
Milk
Honey
Water
Density (g/mL)
0.79
1.03
1.42
0.99
W
41. How would you move your decimal point if you
were converting from the basic unit to kilo-?
A. Two space to the right.
B. Two spaces to the left.
C. Three spaces to the left.
D. Three spaces to the right.
42. 25 cm = __________ mm
A. 2500 mm
B. 250 mm
C. 2.5 mm
D. 0.25 mm
X
Y
Z
36. Which letter represents milk?
A. W
B. X
C. Y
40. How would you move your decimal point if you
were converting from centi- to basic unit?
A. One space to the left.
B. One space to the right.
C. Two spaces to the left.
D. Two spaces to the right.
D. Z
37. Which letter represents honey?
A. W
B. X
C. Y
D. Z
Part D: Metric Conversions
43. 890 mL = __________ L
A. 89 L
B. 890,000 L
C. 0.890 L
D. 8.90 L
44. 10 g = __________ cg
A. 1,000 g
B. 100 g
C. 10 g
D. 0.1 g
45. One fruit-by-the-foot snack is 91 cm long. Is the
length of more or less than 1 m?
A. More than 1 m
B. Less than 1 m
38. Which of the following metric prefixes is located
at point F?
A. milliB. hectoC. kiloD. deka39. Which value is associated with point A?
A. 1
B. 10
C. 100
D. 1000