Test Review
• During Amanda’s lab, she had to plug in an
electronic scale to weigh different solid objects.
The scales were plugged in next to the sinks.
Which lab rule would be most important during
this lab?
A. Keep chemicals away from the skin and eyes
B. Move electrical equipment away from water
C. Wash hands thoroughly with soap and water
D. Tie back loose hair and over sized clothing.
• Which of these is an example of an unsafe
lab practice?
A. Waiting for teacher directions to start a
lab
B. Keeping your hair tied back
C. Watering a plant without wearing gloves
D. Taking a preserved specimen out of the
room without asking
Which of these is most like regular tap water?
A. Bleach
B. Distilled water
C. Vinegar
D. Salt water
How many more students like fruit than popcorn?
Twice as many students like cheese more
than trail mix. True or False?
• Jeremiah is setting up an experiment. He has 4
different brands of paper towels, and he puts the
same amount of water on each paper towel. He has
several small weights that he slowly adds one at a
time to each wet paper towel, suspended over the
table. Which of the following questions could
Jeremiah try to answer with this setup?
A. Which brand of paper towel is strongest when wet?
B. Which brand of paper towel is thickest?
C. How much weight can paper towels hold?
D. Which paper towel is the best?
• Matthew wants to test what effect age has on
the number of correct math problems students
can solve. Which should be the Independent
variable in Matthew’s test?
A. Using or not using calculators
B. Amount of problems solved correctly
C. Same math problems
D. Age of the students
• Matthew wants to test what effect age has on
the number of correct math problems students
can solve. Which should be the Dependent
variable?
A. Using or not using calculators
B. Amount of problems solved correctly
C. Same math problems
D. Age of the students
• Matthew wants to test what effect age has on
the number of correct math problems students
can solve. Which should be a Constant
variable?
A. Using or not using calculators
B. Amount of problems solved correctly
C. Same math problems
D. Age of the students
Depth
(m)
Temperature
(C)
0
29
25
28
50
27
75
26
100
23
123
20
150
175
14
200
10
225
9
250
8
275
7
300
6
325
4
350
4
375
4
Estimate the water
temperature at 150 m
Depth
(m)
Temperature
(C)
0
29
25
28
50
27
75
26
100
23
125
20
150
175
14
200
10
225
9
250
8
275
7
300
6
325
4
350
4
375
4
What conclusion can be drawn
by looking at this data?
• Josie wants to classify animals by name as
being able to swim, fly, or both. The best
way to organize this information is a
A. Circle graph
B. Bar graph
C. Line graph
D. Data table
• Which hypothesis CANNOT be tested through
experimentation?
A. Who was the greatest scientist of the 20th
century?
B. What is the effect of salt on the boiling
temperature of water?
C. Does having worms in soil help plants grow
faster?
D. Can blindfolded people tell the difference
between bottled water and tap water?
• During a lab, Mary was finding the mass of 2
unknowns metals. When she used the Triple
Beam Balance, she saw that both the metals
had the same mass, so she wrote in her lab
report “These metals appear to be the same
material.”
What Mary wrote in her lab report was:
A. An observation
B. An inference
C. A hypothesis
D. Incorrect
Whose class likes tennis least?
Which sport received a total of 4 votes?
What is the total number of votes for soccer?
Overall, is basketball more popular than hockey?
• A racecar driver uses different types of fuel
in his racecar to determine the car’s mileage
per gallon. What is the Independent
variable?
• A racecar driver uses different types of fuel
in his racecar to determine the car’s mileage
per gallon. What is the Dependent
variable?
• A racecar driver uses different types of fuel
in his racecar to determine the car’s mileage
per gallon. What is a Constant variable?
•
•
•
•
•
•
•
•
•
•
•
1:B
2:D
3:B
4:4
5:False
6:A
7:D
8:B
9:C
10:17
11:temperature drops
at greater depths
12:D
13:A
14:B
15:Ms. C’s class
16:basketball
17:10
18:yes
19:type of fuel
20:miles per gallon
21: same car, speed, amount of fuel, etc.