Walter's Duiker is a new species of duiker, a kind of antelope, and one of many new species discovered between 2009 and 2011.

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

Children are introduced to the basic concepts of cloud formation in this diagramming and fill-in-the-blank activity.

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

Learning about the functions of plant parts doesn’t have to be puzzling! Review the parts of a plant with this crossword for first and second graders.

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Observe the life cycle of an oriole with this second- and third-grade worksheet!

Describe how things feel when you touch them and push on them!

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

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Learn about the life cycle of a tomato plant in this worksheet for second and third graders!

Learn about the texture and hardness of different objects in this second-grade worksheet!

Get to know the basic parts of a plant with this first- and second-grade life science worksheet!

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