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4th Grade Structures for Survival worksheets

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Structures for Survival

Grade 4 Science Worksheet

NameDate

Circle the answer.

  1. Why do the heart and blood vessels work together?

    • the heart pumps blood through the vessels to every part
    • the vessels take in air for the heart
    • the vessels pump blood into the heart only
    • the heart breaks down food in the vessels

  2. A rose has sharp thorns on its stem. Which claim do the thorns support?

    • thorns help keep animals from eating the stem
    • thorns help the rose make food
    • thorns help bees find the flower
    • thorns help the rose take in water

  3. How do a duck's webbed feet help it?

    • they push water so the duck can swim
    • they help the duck grab branches
    • they help the duck dig for worms
    • they keep the duck warm in snow

  4. A student says, "A rabbit's big ears are only for looks." Which evidence argues against this?

    • rabbits have ears of different colors
    • baby rabbits have shorter ears
    • rabbit ears are soft and furry
    • rabbits turn their ears toward sounds and then run

  5. Which observation is evidence that roots hold a plant in place?

    • a weed grows small yellow flowers
    • a weed with long roots is hard to pull up
    • a weed has green leaves
    • a weed grows fast after rain
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4th Grade Structures for Survival worksheet 1 – printable PDF
Download PDF: 123456

About this worksheet

Structures for survival connect the parts of plants and animals with the functions those parts perform asks fourth graders to connect observations with an explanation, model, or design decision instead of choosing a fact from memory. Students may name a body part or plant part without explaining how it helps the organism survive, grow, behave, or reproduce. This worksheet uses short investigations and evidence-based situations so students must read what happened, decide which science idea is being tested, and choose the answer that fits the title.

Students match structures to functions, use evidence from organisms, compare plausible structures, and explain why a structure supports survival. Support versions use familiar objects and direct wording. Standard and challenge versions add closer distractors, fair-test language, and multi-step evidence. Ask your child to point to the measurement, diagram, map, or observation before answering. If the choice does not explain the evidence in the prompt, it is probably a distractor. That habit keeps science reasoning tied to data rather than guesswork.

What your child will learn

  • Match structures with survival functions
  • Use evidence about plants and animals
  • Compare internal and external structures
  • Explain how structures support behavior or growth

NGSS standard: 4-LS1-1

Worked example

Roots help a bean plant absorb water and hold the plant in soil, so their function supports growth and survival.

Common mistake

Naming a structure without connecting it to what the structure does.

Helpful hint

Ask what job the structure performs for the organism.

Next skill: How Animals Sense the WorldEarlier: Simple Circuits

Questions parents ask

What is the most common mistake with structures for survival?

Naming a structure without connecting it to what the structure does.

How can I help my child with structures for survival?

Ask what job the structure performs for the organism.

Are these 4th grade science worksheets free to print?

Yes. All 6 printable versions on this page are free to download and print, with no account needed.

Similar: How Animals Sense the World

More 4th grade life science

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