1. Unit Conversion Quiz This quiz reviews you about converting between units with different prefixes.

2. Instructions for Quiz • If you have sound, you can click on the sound icon by the choice to see if your answer is correct. • If you do not have sound, write your answers on a piece of paper and check your results on the last slide. • Click anywhere in the slide to go to the next slide.

3. A. 2500 nL C. 25 µL B. 0.250 L D. 250000 L Question 1250 mL =

4. A. 1500 g C. 1500 mg B. 0.1500 g D. 1.5 x 104 ng Question 21.5 kg =

5. 1.51 mm C. 1.51 x 10-2 µm B. 1.51 m D. 1.51 x 10-3 km Question 3151 cm =

6. A. 1 x 103 L C. 1 cm3 B. 100 cL D. 1 x 106 µL Question 4 1 mL =

7. A. 8.21 x 102 cmol C. 0.821 cmol B. 0.821 dmol D. 8.21 x 102 dmol Question 582.1 mol =

8. A. 1.15 x 10-5 ks C. 1.15 x 103 cs B. 0.115 ms D. 115 s Question 61.15 x 10-2 s =

9. A. 9.17 m C. 0.917 m B. 9.17 x 10-2 mm D. 0.0917 mm Question 7 91.7 cm =

10. A. 3.6 x 105 s C. 3.6 x 10-3 ks B. 1 x 103 µs D. 3.6 x 106 ms Bonus Question 1 hour =

11. End of quiz • If you did not get sound with this presentation, the answers are on the next page. • When using conversion factors: the unit you want should be on the top of the conversion factor (the numerator), the unit you want to get rid of should be on the bottom of the conversion factor (the denominator). • If you need help with this topic, see your teacher or your text.

12. Key • 1) B • 2) A • 3) B • 4) C • 5) D • 6) A • 7) C If you answered all of these questions correctly, congratulations! If you still need some review, see your teacher or your text. You may also want to review SI Units. Any comments, questions, or problems, please email me.