Young botanists test their plant know-how with this quiz.

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

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

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

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.

Did you know that there is no new water on Earth? It all gets recycled and reused in a process that we call the water cycle.

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

Practice describing different objects and substances in this colorful worksheet!