Looking for a worksheet to challenge your child's knowledge of science? This printable asks him to identify a solid, liquid and gas.

Practice identifying living and nonliving things with this first- and second-grade science worksheet!

Kids practice identifying solids for a lesson on the states of matter in this 1st grade physical science worksheet.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!