1. Accuracy vs Precision

2. When you hear the word “accurate” what do you think of?

3. Accurate and Precise do NOT mean the same thing.=
Precise

4. Accuracy means ………
How close a measurement is to some accepted or true value.

5. Precise means ………
Used to describe how close repeated measurements are to each other

6. A

7. Could I please have 1 boy volunteer and 1 girl volunteer?
Activity
Could I please have 1 boy volunteer and 1 girl volunteer?

8. Based on the definition given for accurate and precise
Based on the definition given for accurate and precise. Determine if your classmates are more accurate or precise or both!

9. Low Accuracy
Low Precision
Low Accuracy
High Precision
High Accuracy
Low Precision
High Accuracy
High Precision

10. Elmer Fudd was target practicing
Elmer Fudd was target practicing. Which diagram below best illustrates inaccuracy and precision? D C B A

11. Accuracy with Data
LET's Look

12. A B Volume cm3 Trial 1 7.77 cm3 Trial 2 7.80 cm3 Trial 3 7.92 cm3
Student “A” and Student “B” used a ruler to measure the sides of the cube below. The volume of the cube is 8cm3? Which student’s data was more accurate?
Volume cm3
Trial 1
7.77 cm3
Trial 2
7.80 cm3
Trial 3
7.92 cm3 A
Volume cm3
Trial 1
7.99 cm3
Trial 2
8.01 cm3
Trial 3
7.98 cm3 B

13. Accuracy with Equipment
LET's Look

14. Which graduated cylinder will give you the most accurate liquid measurement?B A