Which One Doesnt Belong? (Categorizing) | Printable Skills Sheets - Free Printable

The task in the image is to identify which word in each group does not belong. The goal is to find the word that is unrelated or distinct from the others in its category. Let's solve this step by step:

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1. marine blue whale walrus seal

- Category: Marine animals.
- Analysis:
- "Marine" refers to anything related to the ocean.
- "Blue whale," "walrus," and "seal" are all marine animals.
- "Walrus" is a marine animal, but it is also a pinniped (a type of marine mammal), while "blue whale" is a cetacean.
- Word that doesn't belong: walrus (because it is more specific as a pinniped compared to the general category of marine animals).

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2. its custom pupil comes

- Category: Parts of speech.
- Analysis:
- "Its" is a possessive pronoun.
- "Custom" is a noun.
- "Pupil" can be a noun (student) or part of the eye.
- "Comes" is a verb.
- Word that doesn't belong: custom (because it is a noun, while the others are either pronouns or verbs).

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3. not metal element palli

- Category: Elements and materials.
- Analysis:
- "Not" is an adverb.
- "Metal" is a material.
- "Element" refers to a chemical element.
- "Palli" appears to be a misspelling or typo; it should likely be "platinum."
- Word that doesn't belong: not (because it is an adverb, while the others are related to materials or elements).

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4. wedge lever pulley battery

- Category: Simple machines.
- Analysis:
- "Wedge," "lever," and "pulley" are all simple machines.
- "Battery" is not a simple machine; it is a device for storing electrical energy.
- Word that doesn't belong: battery (because it is not a simple machine).

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5. centimeter decimeter kilogram meter

- Category: Units of measurement.
- Analysis:
- "Centimeter," "decimeter," and "meter" are units of length.
- "Kilogram" is a unit of mass.
- Word that doesn't belong: kilogram (because it measures mass, not length).

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6. biology geometry botany zoology

- Category: Fields of study.
- Analysis:
- "Biology," "botany," and "zoology" are all branches of biology.
- "Geometry" is a branch of mathematics, not biology.
- Word that doesn't belong: geometry (because it is unrelated to biological sciences).

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7. insect moths caterpillars plaque

- Category: Insects and their stages.
- Analysis:
- "Insect," "moths," and "caterpillars" are all related to insects.
- "Plaque" refers to a buildup of bacteria on teeth or a commemorative plate, which is unrelated to insects.
- Word that doesn't belong: plaque (because it is unrelated to insects).

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8. volume demonstrator diameter semicircle

- Category: Geometry and measurements.
- Analysis:
- "Volume" is a measure of space.
- "Demonstrator" is a person who demonstrates something.
- "Diameter" and "semicircle" are geometric terms.
- Word that doesn't belong: demonstrator (because it is unrelated to geometry or measurements).

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9. baking soda nitrogen oxygen carbon dioxide

- Category: Chemical substances.
- Analysis:
- "Baking soda" is a chemical compound (sodium bicarbonate).
- "Nitrogen," "oxygen," and "carbon dioxide" are gases or compounds.
- Word that doesn't belong: baking soda (because it is a solid compound, while the others are gases).

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10. circus camelus dromedarius camel

- Category: Camels and related terms.
- Analysis:
- "Circus" is a performance venue.
- "Camelus dromedarius" is the scientific name for the dromedary camel.
- "Camel" is the common name for the animal.
- Word that doesn't belong: circus (because it is unrelated to camels).

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11. climate forest grassland desert

- Category: Biomes.
- Analysis:
- "Forest," "grassland," and "desert" are types of biomes.
- "Climate" refers to weather patterns over time, not a specific biome.
- Word that doesn't belong: climate (because it is not a biome).

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12. liver kidneys pancreas hemoglobin

- Category: Organs and bodily substances.
- Analysis:
- "Liver," "kidneys," and "pancreas" are organs.
- "Hemoglobin" is a protein found in red blood cells, not an organ.
- Word that doesn't belong: hemoglobin (because it is not an organ).

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Final Answer:

$$
\boxed{\text{walrus, custom, not, battery, kilogram, geometry, plaque, demonstrator, baking soda, circus, climate, hemoglobin}}
$$