Grades 2–4
Vertebrate or Invertebrate?
Sort ten animals by whether they have a backbone, then check for your own.
Science worksheet · Animal classification
Parts of an Insect
Label the head, thorax, abdomen, antennae, legs and wings, then answer two insect questions.
- Grade level
- Grades 1–3
- Time
- About 15 minutes
- Answer key
- Yes, page 2 of the PDF
- Kids practice
- Animal groups, Classifying, Vertebrates and invertebrates
What kids do
Printed on the sheet:
- 1. Label the parts of the insect.
- 2. Circle the answer.
- How many legs does an insect have?
- How many main body parts does an insect have?
Words on this sheet
headthoraxabdomenlegswings
Teacher tip
Use a plastic insect or a photo so kids can count the three body parts.
How to use it
- Sort picture cards as a class before the sheet.
- Ask what all the animals in one group have in common.
- Start with a two-minute “I notice, I wonder” talk about the picture on the sheet.
Watch for
Whales and dolphins are mammals, not fish. Penguins are birds.
Talk about it
- Why is a bat a mammal and not a bird?
- What evidence helped you choose your answer?
Take it further
Make a class animal book with one page per group.
US Letter, prints well in black and white. Free for home and classroom use: print as many copies as you need.
More animal classification worksheets
Grades 3–4
Make a Classification Key
Pick four animals and write yes-or-no questions that sort them, one at a time, in a branching key.
Grades 2–4
Animal Group Clues
Match the five vertebrate groups to the clue that describes them, then name one animal from each group.
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