1. What do we measure?

4. We measure weight. How has measuring weight changed?

7. We measure days, months, and years. How has measuring days, months, and years changed?

10. We measure how long things are. How has measuring length changed?

13. We measure time. How has measuring time changed?

16. We measure temperature. How has measuring temperature changed?

17. Measuring is all around us. Can you give an example of where you use measurement?

18. Ehrgott, Forbriger & Co. (c1865). [Calendar for 1866 - advertisement for Phoenix Insurance Company, Hartford, Conn., illustrated with horse-drawn fire engines, building on fire and steamboat on fire]. Library of Congress: Prints & Photographs.[Calendar for 1866 - advertisement for Phoenix Insurance Company, Hartford, Conn., illustrated with horse-drawn fire engines, building on fire and steamboat on fire]. Horydczak, T. (ca.1920-ca.1950). Electric Institute of Washington. Cooking and planning I. Library of Congress: Prints & Photographs, Horydczak Collection.Electric Institute of Washington. Cooking and planning I. Johnston, F. B. (1899). [Students of 8th Division school using rulers, yardsticks, and measuring tape in school yard, Washington, D.C.]. Library of Congress: Prints & Photographs, Frances Benjamin Johnston Collection.[Students of 8th Division school using rulers, yardsticks, and measuring tape in school yard, Washington, D.C.]. Rothstein, A. (1937). Clock and sign in tavern. Smuggler's Notch, Vermont. Library of Congress: Prints & Photographs, FSA/OWI - Black and White Negatives.Clock and sign in tavern. Smuggler's Notch, Vermont. Unknown. (c1912). [Baby being weighed by nurse on scale]. Library of Congress: Prints & Photographs.[Baby being weighed by nurse on scale].