This worksheet helps kids understand variations in animals and how the same kind, or species, can sometimes look different from each other.

Learn about the life cycle of a wood frog in this second- and third-grade worksheet!

Decide which plants could live in a grassland with this second- and third-grade worksheet!

Learn about the similarities and differences between objects in this colorful science worksheet!

In this science matching worksheet, children will test their solar system know-how by matching each celestial body to the correct fact.

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

Determine which plants would survive in a pond with this second- and third-grade worksheet!

Leap through the life cycle of a wood frog with this cut-and-paste activity!