Unit 0 Review

Unit 0 Review

11th Grade

18 Qs

quiz-placeholder

Similar activities

Significant Figure Review

Significant Figure Review

10th - 11th Grade

15 Qs

Significant Figures

Significant Figures

10th - 12th Grade

20 Qs

Scientific Notation and Significant Figures Practice

Scientific Notation and Significant Figures Practice

9th - 11th Grade

20 Qs

Sig Figs Math

Sig Figs Math

9th - 12th Grade

16 Qs

Significant Figures Scientific Notation

Significant Figures Scientific Notation

9th - 12th Grade

14 Qs

SigFigs

SigFigs

11th Grade

15 Qs

AP Chemistry Significant Figures Quiz

AP Chemistry Significant Figures Quiz

9th - 12th Grade

20 Qs

Unit 1: Sigfigs

Unit 1: Sigfigs

9th - 12th Grade

18 Qs

Unit 0 Review

Unit 0 Review

Assessment

Quiz

Chemistry

11th Grade

Hard

NGSS
MS-PS1-1

Standards-aligned

Created by

Samantha Hyde

FREE Resource

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a standard safety rule in the laboratory?

Always wear safety goggles when working with chemicals

Never leave a lit Bunsen burner unattended

You can dispose of chemicals in the sink as long as they are liquid

Always wash your hands after handling chemicals

Answer explanation

Disposing of chemicals in the sink is unsafe and against standard laboratory rules, as it can cause contamination and environmental hazards. The other options are essential safety practices.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many significant figures are in the number 0.004520?

4

3

5

2

Answer explanation

The number 0.004520 has 4 significant figures. The leading zeros are not counted, but the digits 4, 5, 2, and the trailing zero after 2 are significant.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of the following addition, reported to the correct number of significant figures: 12.11 + 3.7

15.81

15.8

16

15.7

Answer explanation

To add 12.11 and 3.7, align the decimal points: 12.11 + 3.70 = 15.81. The result should be reported with the least number of decimal places, which is one (from 3.7). Thus, the answer is 15.8.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct result when multiplying 5.12 and 3.004, rounded to the correct number of significant figures?

15.37

15.36

15.4

15.3

Answer explanation

To multiply 5.12 (3 significant figures) and 3.004 (4 significant figures), the result is 15.36608. Rounding to 3 significant figures (the lesser count) gives 15.4, making it the correct answer.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to report your final answer in a calculation with the correct number of significant figures?

To match the precision of your measuring instrument

To make your calculations look more accurate

To avoid rounding errors

To make your answers easier to understand

Answer explanation

Reporting your final answer with the correct number of significant figures is crucial to match the precision of your measuring instrument. This ensures that the accuracy of your calculations reflects the limitations of your measurements.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Round the following number to 2 significant figures: 0.003642

0.0036

0.0037

0.00364

0.0040

Answer explanation

To round 0.003642 to 2 significant figures, we focus on the first two non-zero digits, which are '3' and '6'. The next digit is '4', which does not round up. Thus, the answer is 0.0036.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many significant figures are in the number 4.500 x 10²?

3

4

2

5

Answer explanation

The number 4.500 x 10² has four significant figures. The digits 4, 5, 0, and 0 are all significant because the trailing zeros in a decimal number indicate precision.

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?