Measure various materials using scientific tools. Evaluate the need for a standard unit of measure.

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Office of Educational Programs

Brookhaven National Laboratory

Bldg.400C – P.O. Box 5000

Upton, NY 11973-5000

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slc@bnl.gov

Students will experiment, collect and analyze data to determine the need for standardized measuring tools in science. Working in small groups, students will measure the length of an object using various non-standard and standard measuring tools.

**Vocabulary: ** length, ruler, standard unit, temperature, volume, weight

Core Document | Elementary Science |

Inquiry | |

Performance Indicators | S1.1, Scientific Inquiry:“Ask “why” questions in attempts to seek greater understanding concerning objects in a continuing, creative process.” M2.1, Mathematical Analysis:“Explore and solve problems generated from school, home and community situations, using concrete objects or manipulative materials when possible.” |

Major Understandings | S1.1a,b Scientific Inquiry:• “Observe and discuss objects and events and record observations.” • “Articulate appropriate questions based on observations.” M3.1a, Mathematical Analysis“Use appropriate scientific tools, such as metric rulers, spring scale, pan balance, graph paper, thermometers [Fahrenheit and Celsius], and graduated cylinder to solve problems about the natural world.” |

Content | |

Performance Indicators | PI 3.1, Physical Setting:“Observe and describe properties of materials, using appropriate tools.” |

Major Understandings | MU 3.1c, d Physical Setting:• “Objects have properties that can be observed, described, and/or measured: length, width, volume, size, shape, mass or weight, temperature, texture, flexibility, reflectiveness of light.” • “Measurements can be made with standard metric units and nonstandard units.” |

Core Document | Common Core Mathematics |

Content | |

Performance Indicators | 1.MD Measurement and Data:“Measure lengths indirectly and by iterating length units.” 2.MD Measurement and Data:“Measure and estimate lengths in standard units.” |

Major Understandings | 1.MD.1 Measurement and Data:“Order three objects by length; compare the lengths of two objects indirectly by using a third object.” 1.MD.2 Measurement and Data:“Express the length of an object as a whole number of length units, by laying multiple copies of shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps.” 2.MD.1 Measurement and Data:“Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.” 2.MD.2 Measurement and Data:“Measure the length of an object twice, using length units of different lengths for the two measurements; describe how the two measurements relate to the size of the unit chosen.” |

Educational Programs

Brookhaven National Laboratory

Bldg. 438 - P.O. Box 5000

Upton, NY 11973-5000

Phone: (631) 344-4000

E-mail:oep@bnl.gov

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