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Why Is It a Living Thing Worksheet

This why is it a living thing worksheet helps 3rd graders use evidence to explain what makes something alive, with vocabulary, clue sorting, and a short response. An answer key is included.

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About this resource

Description

Every living thing breathes, grows, needs food and water, and makes more of its own kind. This why is it a living thing worksheet helps students move past simply naming living things and start explaining the evidence that proves something is alive.

About This Worksheet

This 3rd grade living and non-living things worksheet has three parts. First, students use a word box to finish four sentences about how a giraffe, a fish, and a sunflower breathe, move, and make food. Next, they read six clues and fill in a bubble to show whether each clue describes a living thing or a nonliving thing. Finally, they look closely at a sunflower and write two reasons that show the plant is alive. Use it after a life science lesson, as a science center, or as homework.

What’s Included

  • A word box with four sentences about lungs, gills, legs, and sunlight
  • Six living or nonliving clues with fill-in-the-bubble answers
  • A short written response with two answer lines
  • An answer key on page 2 with sample reasons

Why This Worksheet Helps Kids

  • It teaches the characteristics scientists use to decide whether something is alive.
  • It builds life science vocabulary such as gills and lungs in a meaningful context.
  • The written response asks children to explain their thinking with evidence, a key science skill.

Ideas for Teachers and Parents

Before starting the why is it a living thing worksheet, gather a few objects such as a rock, a plant, and a toy, and ask children to sort them and explain why. After they finish, take a nature walk and have students find one living thing and one nonliving thing, then share the clues that helped them decide. You can also grow a bean plant in class so students can watch a living thing change over time.

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