1. Metric Scientific Measurement All images used are copyright free!

2. 1. How long is this pencil? ___ cm ___ mm 2. What is the width of this dollar bill? _____ mm 3. What is the height of this dollar bill? _____ mm 4. What is the surface area of this dollar bill? _____ mm 2

3. 5. How wide is this penny? 6. What is the name for the ruler shown above? 7. Excluding the tail, how long is this lab rat?

5. 8. How long is this fish? 9. Stan ordered this safe from Acme Safe Co. He has a lot to store in it and needs to know the volume. The dimensions are 1.5 m Width, 1 m Length, and 1.6 m Height. Will this safe hold his 1.44 m 3 of valuables? Show your work. 10. What unit would probably be best for measuring the thickness of a penny? 11. What unit would you use to measure a small paper clip?

6. Always read the base of the meniscus when taking measurements. Here is an illustration to help you understand this process.

7. 12. What is the reading on the graduated cylinder to the left? 13. What is the reading on the graduated cylinder to the right? VOLUME BY DISPLACEMENT 14. To measure the volume of irregular objects, like a penny we use this method. We start with a volume of ___ mL and end with a volume of ___ mL after placing the penny into the graduated cylinder. This means the volume of the penny is ______ mL.

11. 19. What volume is contained in this beaker? 20. What volume is shown in this conical flask?

12. THERMOMETERS 15. What is the reading on the thermometer to the left? 16. What is the reading on the thermometer to the right? KELVIN To really use metrics, we have to convert these readings to Kelvin by adding 273. 17. What is the reading to the left in Kelvin? 18. What is the reading to the right in Kelvin?

13. Expt. Measurement Aim - Learn to use the measuring apparatus Apparatus – Meter Rule, Opisometer and Trundle Wheel. MeasuredApparatusUnitsResult Height of Chair Area of Desk Volume of Block Thickness of book Distance Cork to Tralee Length of classroom

14. Expt. Write up Date and Title Aim – Explanation of title Apparatus – Full names Group- Who you did it with Diagram with all parts labelled Method – Numbered and in clear stages. ‘We first… Results – Table or observations ObjectMass/gVolume/cm 3 Density g/cm 3

17. H/W P 265 Q 1 to 9