The Classifying Proteins, Grains, Fruits and Veggies Worksheet asks 2nd grade students to sort fifteen everyday foods into three labeled food groups. An answer key is included, so classifying practice checks itself.

This cells worksheet has 5th graders sort eight living things into unicellular and multicellular columns, then use clues to classify four more. An answer key is included, so science practice is ready to print and grade in minutes.

This animal classification worksheet lets 2nd graders sort twelve animals into mammals, birds, fish, and reptiles using a picture-clued word box. An answer key is included — great for no-prep science practice at home or in class.

Using this Size Activity, students play Categories to practice identifying the sizes tall, short, big and small.

This Sort Classify and Count Worksheet asks kindergartners to sort twelve mixed shapes, count each kind, and answer three questions about which has the most and fewest. Answer key included.

The Classifying Living and Nonliving Things Primary Version Worksheet asks Kindergarten students to sort six familiar pictures into living and nonliving groups. An answer key is included, so this hands-on science practice takes no prep at all.

The Life Science Stories Reading Comprehension Digital Worksheet Collection has online digital worksheets for Google Classroom & online distance learning.

This mammal taxonomy worksheet has 5th grade students use a gray wolf model and word endings to classify a lion from kingdom to species. Includes an answer key and four chart questions.

This bird taxonomy worksheet has 5th grade students use a bald eagle model and word endings to classify a hummingbird from kingdom to species. Includes an answer key and four chart questions.

This bird classification worksheet asks 3rd grade students to sort eight animals into birds and not birds, then match four trait clues. A full answer key makes the sort quick to check.

This How Many Wheels Classifying Transportation Worksheet has 2nd Grade students sort nine vehicle words into two, four and no wheel groups, with an answer key, so classifying becomes a clear rule.

This reptiles, amphibians, and insects worksheet helps 3rd grade students sort four animals by their traits and explain their thinking in writing. Answer key included for quick, no-prep life science practice.

This Classifying Living and Nonliving Things Worksheet has 2nd Grade students sort eight everyday things into living or nonliving, then find one of each in the room. An answer key is included for quick checking.

This Living Things and Non Living Things Counting Worksheet gives 2nd grade students a park number story to count, classify and compare, with an answer key included so checking the whole page takes seconds.

This living non-living venn diagram worksheet has 2nd grade students sort six facts about a polar bear and a teddy bear into a Venn diagram. An answer key is included for quick, easy checking.

This mammal vs reptile worksheet has 3rd grade students sort eight animals into two groups, then name the clue that proves each answer, with an answer key included for fast checking.

This amphibians worksheet has 3rd graders circle amphibian traits, sort eight animals into amphibian and non-amphibian columns, and explain their thinking. Answer key included for fast, no-prep science practice.

This classifying types of weather worksheet has 3rd Grade students sort twelve weather words into precipitation, temperature, and storms, then explain two answers. Answer key included.

This Mammal VS Reptile Pictures Worksheet has 2nd graders sort six animals by fur or scales, then classify four more by name. Answer key included, so a quick science check takes minutes.

This classifying list worksheet has 2nd grade students sort nine everyday words into solid, liquid, and gas columns. An answer key is included, making it easy to check their thinking about matter.