Mohonasen Central School District - Elementary Curriculum Support Materials

Grade 1          Unit Guide        Balancing and Weighing

This unit guide made possible by the collaborative efforts of Lauren O'Brien & Melanie Weinlein  - Grade 1 Teachers and Lori Lynch- Science Lab Specialist

Lesson / Lab Sequence Title & Lesson Objective(s)

Key Vocabulary

Resource List

All references to "Standards" below are the New York State Elementary Core Curriculum Science Standards 

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Notice of Liability: All of the following information is copy written through the National Science Resources Center, and Carolina Biological.  For more information about STC curricula go to the STC web site at www.carolina.com/STC
Vocabulary in bold faced print are not expectations of NYS Core Curriculum, but are contextual in nature for this unit and will be exposed to students.  For a list of NYS Core Vocabulary, go back to our main page by clicking the back button or clicking here
Lesson / Lab Sequence Title & Lesson Objective(s)

Key Vocabulary

Resource List

Lesson 1

Title: “Thinking About Balance”

Objective(s):

  • S balance a symmetrical object on a pencil

  • S observe effect of additional weight on balance

  • S record what they know and ?s they have

  • S discuss their ideas about balancing

Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS [MU:] 5.1a

Balancing

Weight

Weighing

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 2

Title: “Building Structures that Balance”

Objective(s):

  • S build structures that balance

  • S describe structures and share observations about balancing

  • S list real world examples of balancing and weighing

Assessment: See Balancing and Weighing Prompts in the resource list

 Standards: PS or LE [MU:]5.1 a, b, f

Fulcrum

Unifix cubes

Balance

beam

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 3

Title: “Exploring the Beam Balance”

Objective(s):

  • S build a beam balance

  • S explore HOW amt of weight & position affect balance

  • S discuss various ways to balance the beam

  • S read about gymnast

Assessment: See Balancing and Weighing Prompts in the resource list 

Standards: PS or LE [MU:], 5.1a, b, f

Fulcrum

Unifix cubes

Balance

Beam

weight

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 4

Title: “Moving the Fulcrum”

Objective(s):

  • S balance a beam with Unifix Cubes by changing posn of fulcrum

  • S describe and compare observations

  • S record their results

  • S add observations of balancing and weighing in real world to class list

Assessment: See Balancing and Weighing Prompts in the resource list 

Standards: PS or LE [MU:]5.1a, b, f

Cubes

Weigh

Beam balance

fulcrum

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 5

Title: “Building Mobiles”

Objective(s):

  • S build simple mobiles that balance

  • S describe and compare how mobiles balance

  • S construct more complex Mobiles

  • S read about Alexander Calder, the “Mobile Man”

Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS or LE [MU:]5.1a, b, f

Mobile

Balance

Fulcrum

Beam

Weight

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 6

Title: “Exploring the Equal-Arm Balance”

Objective(s):

  • Students assemble and equilibrate an equal-arm balance

  • S observe and describe how equal arm balance reacts when they place objects in pails

  • S compare and contrast equal arm balance and beam balance and record their observations on a class Venn diagram

Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS or LE [MU:]3.1c  5.1a, b, f

Equal-Arm Balance

Beam balance

Venn-diagram

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 7

Title: “Using the Equal-Arm Balance to Compare Objects”

Objective(s):

  • S use equal-arm balance to compare objects

  • S records comparisons using binary symbols {greater than (>), less than (<), and equal to (=)}.

  • S discuss comparisons and problem solving strategies

  • S discuss the concept of fair comparisons

Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS or LE [MU:]3.1c , e 

Equal-arm balance

< > =

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 8

Title: “Developing Strategies for Placing Objects in Serial Order”

Objective(s):

  • S predict serial order (from lightest to heaviest) of four objects

  • S use equal-arm balance to help them place objects in serial order

  • S record serial order of objects and discuss the relationships among them

  • S describe strategies they devised to make predictions of serial order

Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS or LE [MU:]3.1c, e

Serial order

Weight

Equal-arm balance

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 9

Title: “Placing Six Objects in Serial Order”

Objective(s):

  • S predict where two new objects will fit in serial order of four objects established in lesson 8

  • S use equal-arm balance to confirm their predictions

  • S record and discuss their findings

Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS or LE [MU:]3.1 c, e

Serial order

Weight

Equal-arm balance

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 10

Title: “Balancing with Unifix Cubes”

Objective(s):

  • S use Unifix cubes to balance objects on equal-arm balance

  • S record results on individual record sheets and class data table

  • S compare and discuss information on class data table

  • S discuss relationship between balancing and weighing

 Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS or LE [MU:]3.1c, d , e

Equal-arm balance

Weigh

Unifix cubes

Balance

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 11

Title: “Graphing the Weights of the Objects”

Objective(s):

  • S review the information on data table from Lesson 10

  • S make bar graphs that show the weights of six objects

 Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS or LE [MU:]3.1c, d

Bar graph

Unifix cubes

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 12

Title: “Describing the Four Foods”

Objective(s):

  • S observe & describe properties of four different foods

  • S record descriptions of four foods

  • S share observations of foods and create a class chart

  • S compare & contrast observations of foods

 Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS or LE [MU:]3.1 b, c

Bar graph

Unifix cubes

properties

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 13

Title: “Comparing Cupfuls of Food”

Objective(s):

  • S predict a serial order for a cupful of each of the four foods, from heaviest to lightest

  • S compare weights of four cupfuls of food

  • S discuss results of their comparisons

 Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS or LE [MU:]3.1 c

Serial order

Weight

Equal-arm balance

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 14

Title: “Weighing Cupfuls of Food”

Objective(s):

  • S weigh a cupful of each of the four foods

  • S record weight on class line plot

  • S identify the weight obtained by the most members of the class for each cupful of food

Assessment: See Balancing and Weighing Prompts in the resource list

 Standards: PS or LE [MU:]3.1 c, d, e

Range

Mode (Weight)

Line Plot

Equal-arm balance

Unifix cubes

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 15

Title: “Which Food Occupies the Most Space?”

Objective(s):

  • S measure out equal weights of the four foods

  • S observer which of the four foods occupies the most space

  • S explain the reasons for their observations

 Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS or LE [MU:]3.1 c, d, e

Equal-arm balance

Unifix cubes

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)
Lesson 16

Title: “Where are the six Marbles?”

Objective(s):

  • S apply a strategy to discover which of five sealed containers contains 6 marbles

  • S discuss the importance of the weight of the empty canister in solving this problem

Assessment: See Balancing and Weighing Prompts in the resource list

Standards: PS or LE [MU:]3.1 c, d, e

Canister

Weight

Equal-arm balance

Unifix cubes

 

Balancing and Weighing Prompts for lessons (work completed by Lauren O'Brien, Melanie Weinlein -Bradt grade 1 Teachers, and Terri O'Brien, CRSEP support specialist)