Scientific Figures Worksheet
A Grade 7 science worksheet covering significant figures, scientific notation, and measurement precision.
Includes
Standards
Scientific Figures
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Pay close attention to significant figures and scientific notation where applicable.
1. How many significant figures are in the number 0.0050 g?
1
2
3
4
2. Which of the following numbers is written in correct scientific notation?
12.3 x 10^4
0.45 x 10^6
7.89 x 10^-2
100 x 10^3
3. The number of significant figures in a measurement indicates its .
4. To write a very large or very small number concisely, we use .
5. Explain why leading zeros are not considered significant, but trailing zeros sometimes are.
6. All non-zero digits are always significant.
True
False
7. The number 5,000 has five significant figures.
True
False
Match the number with its correct number of significant figures.
8. 1.020 cm
a. 1
9. 100 kg
b. 2
10. 0.025 m
c. 3
11. 50.0 L
d. 4
12. Convert the following numbers into scientific notation:
a. 7,500,000,000
b. 0.000000000032
13. Convert the following numbers from scientific notation to standard form:
a. 6.1 x 10^5
b. 9.08 x 10^-7