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WorksheetsIntro Quiz Review Quizzizz
Total questions: 67
Worksheet time: 3hrs 9mins
100 Celsius is ? Kelvin (K = Celsius + 273)
173 K
373K
273 K
0 K
What is the mass of a 25 cm3 liquid if it has a density of 5 g/cm3?
125 g
5 g
cm35g
0.2 cm3
Which box has a higher density?
A
B
They are the same
Which of the following can be a unit for volume?
cm^3
mL
neither
both
Which of the following are units used for mass?
kg
mg
g
All the above
The density of a substance is 2.6 g/mL. If you cut it and half, what is the density of one of the halves?
the same
1.3g/mL
5.2g/mL
None of the above is correct
The volume of water in a graduated cylinder is 50 mL. A marble is placed in the cylinder and the volume goes up to 52 mL. What is the density if the mass of the marble is 1 gram?
1.0 g/mL
1.04 g/mL
2 g/mL
.5 g/mL
The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?
15.79%
18.75%
2.25%
18%
The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?
21%
17.37%
17.4%
21.02%
Density was calculated in an experiment and was found to be 86 g/cm3. The actual density was 78 g/cm3. What is the percent error?
12%
10%
8%
6g/mL
Heather performs an experiment to measure the acceleration of an object due to Earth’s gravitational force and discovers the acceleration of an object is 10.91 m/s. The actual acceleration of the object is 9.80 m/s. What is Heather’s percent error?
0.11%
1.11%
11.33%
10.17 m/s
Arlo performs an experiment for his physical science class and finds that the gravitational acceleration due to the Earth is 9.0 m/s2. The actual value is 9.8 m/s2. What is the percent error in Arlo’s measurement?
8.2%
-8.2%
-9.0m/s2
9.4%
What is 78.5 rounded to one significant figure?
79
78.5
70
80
Round 0.010229 to four significant figures
1022
1023
0.01023
0.01022
What is 0.658 rounded to 1 significant figure?
0
0.66
0.7
0.658
What is 7.555 rounded to two significant figures?
7.6
7.5
70
76
7.60
What is 7.555 rounded to two significant figures?
7.6
7.5
70
76
7.60
Round 1099 to three significant figures.
1.10 x 103
101
1010
1,000
1100
How many significant figures does the following number have?1.2500 x 103
Ambiguous: 3 or 5
7
4.56 x 103
How many significant figures are in the number? 4.06 x 10-5 m
3
7
5
unknown
What is the correct answer for: 1.31 cm x 2.3 cm
3.013
3.01
3.02
3.0
What is the correct answer for: 20.2 cm ÷ 7.41 s
2.726045884
2.72604
2.73
2.7
32.451 - 21.5
1.256 - 0.004 + 123.09 = ?
If you divide 100 by 3.0, how many significant figures should the result have?
1
2
3
4
When subtracting 15.5 from 20.00, how many decimal places should the answer have?
3
4
2
1
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.
If you do not understand a direction or part of a lab procedure, you should—
Figure it out as you do the lab
Try several methods until something works
ask the instructor before proceeding
skip it and go on to the next part
What should not be worn during specified experiments?
Safety goggles
Contact lenses
Lab coat
Gloves
Ava accidentally dropped a glass in the kitchen. How should she handle the broken glass?
Pick it up with bare hands
Leave it on the floor
Use a broom and dustpan
Ask a friend to pick it up
If you have been injured in a laboratory by a cut or burn, first you should—
Visit the school nurse after class
See a doctor after school
Tell the science teacher at once
Apply first aid to yourself
If a harmful chemical splashes in your eyes or on your skin, you should—
ignore it and hope it goes away.
wipe it off with a paper towel and finish the lab.
flush with water at the eyewash station or in the lab shower and tell the teacher.
run to the bathroom.
