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Size and Mass

Size and Mass

TEKS Objective

The student will classify objects by observable properties of the materials from which they are made such as larger and smaller, heavier and lighter, shape, color, and texture.

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Essential Understanding

The student knows that objects have properties and patterns.

Science Background

What is Matter? Properties and Classification of Matter: Annenberg Learner (website) - Comprehensive video that helps students to understand what makes something “matter,” and how different kinds of matter are classified.

What is Matter? Properties and Classification of Matter
Annenberg Learner, www.learner.org

Mass vs. Weight: NASA (video) - Build your understanding of the difference between mass and weight with this video produced on the International Space Station.

Mass vs. Weight
NASA, www.nasa.gov

Signature Lesson

Weight Wonders - Big and Light…Heavy and Small: Education.com (website) - Students investigate the weight of different objects.

Weight Wonders - Big and Light…Heavy and Small?
by Kathy Meindl, Education.com

Supporting Lessons

Exploration of a Balance: Illuminations (website) - Students balance pairs of like and unlike objects by changing distance from the fulcrum on a balance.

Exploration of a Balance
Illuminations, www.illuminations.nctm.org

Nonstandard Measurement: Center for Innovation in Education (PDF) - Various, nonstandard measurement activities, with lesson ideas related to mass.

Nonstandard Measurement
Center for Innovation in Education, www.center.edu

Elaboration Lessons and Extensions

Curious George, How Tall? PBS Kids (website) - Interactive game in which students practice measuring different objects’ heights.

Curious George How Tall?
PBS Kids, www.pbskids.org

Teaching Measurement: Kindergarten Lessons (website) - Scroll down to “Recording their experiences” for an activity that teaches students about weight and mass.

Teaching Measurement
Kindergarten Lessons, www.kindergarten-lessons.com

Assessment Ideas

Light and Heavy: IXL Learning (website) - This interactive game, in which students compare the mass of various objects, may be used as an assessment with the whole class or in a workstation.

Light and Heavy
IXL Learning, www.ixl.com

Literature Connections

Heavy and Light. Royston, Angela (ISBN-13: 9781432914448)

Too Big, Too Small, Just Right. Minters, Frances. (ISBN-13: 9780152021573)

Related Science TEKS

(1.2A) Ask Questions
The student is expected to ask questions about organisms, objects, and events observed in the natural world.

(1.2B) Plan and Conduct Descriptive Investigations
The student is expected to plan and conduct simple descriptive investigations such as ways objects move.

(1.2C) Collect Data
The student is expected to collect data and make observations using simple equipment such as hand lenses, primary balances, and non-standard measurement tools.

(1.2D) Record and Organize Data & Observations
The student is expected to record and organize data and observations using pictures, numbers, and words.

(1.2E) Communicate Observations
The student is expected to communicate observations with others about simple descriptive investigations.

(1.4A) Tools for Collecting Information
The student is expected to collect information using tools, including computers, hand lenses, primary balances, cups, bowls, magnets, collecting nets, and notebooks; timing devices, including clocks and timers; non-standard measuring items such as paper clips and clothespins; weather instruments such as demonstration thermometers and wind socks; and materials to support observations of habitats of organisms such as terrariums and aquariums.

Related Math TEKS

1.7F     The student is expected to compare and order two or more objects according to weight/mass (from heaviest to lightest).

1.9A    The student is expected to collect and sort data.

1.9B     The student is expected to use organized data to construct real object graphs, picture graphs, and bar-type graphs.

1.11C   The student is expected to select or develop an appropriate problem-solving plan or strategy including drawing a picture, looking for a pattern, systematic guessing and checking, or acting it out in order to solve a problem.

1.11D  The student is expected to use tools such as real objects, manipulatives, and technology to solve problems.

1.12A  The student is expected to explain and record observations using objects, words, pictures, numbers, and technology.

1.13A  The student is expected to justify his or her thinking using objects, words, pictures, numbers, and technology.

Additional Resources

Pan Balance—Shapes: National Council of Teachers of Mathematics (website) - Students click and drag different shapes onto an interactive pan balance.

Pan Balance - Shapes
Illuminations, www.illuminations.nctm.org

Weigh It Up: Math Zone (website) - Interactive math games that reinforces students’ understanding of mass.

Weigh It Up
Math Zone, Birmingham Grid for Learning, www.bgfl.org

Poddle Weigh-In: PBS Kids (website) - Students manipulate an online scale to balance various objects.

Poddle Weigh-In
PBS Kids, www.pbskids.org

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