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.

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

Has your child learned about the life cycle of a frog in school? Test his understanding with this cute cut and paste worksheet.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!