There must be a catch! A comprehensive lesson looks at ocean fishing concerns through a set of five hands-on activities. Learners become aware of the risks of seafood contamination and factors that have affected the ocean environment.

Take young naturalists on an exploration of the world's tropical rainforests with this extensive collection of lessons and activities. Whether its creating leaf and flower prints or investigating the absorption spectrum of...

Not all energy sources are renewable, as learners investigate in this unit. Made up of six lessons that span a few weeks of instruction, the unit has learners examining US energy reserves and consumption, using data to draw conclusions...

If you teach a man to fish, he will never go hungry—or he will overfish and permanently damage the ecosystem? Address the traditional biomes as well as the human-included ecosystems and contrasts the biotic and abiotic factors in each....

Students investigate the system of classification for living things through the sixteen lessons of this unit. The five kingdoms of monerans, protists, fungi, plants, and animals form the basis of several experiments as the similarities...

Students describe, orally or in writing, ways people have depended on water during different periods of history. This nearly 500 page document is rich with diverse lessons and activities that will transform your young learners into...

Students explore the classification system in this seven lessons unit. The diversity of life forms and their characteristics are examined using a microscope. Kingdoms, classes, and families are investigated.

Students complete a unit of eighteen lessons that cover climate, geography, location, plants, and animals of each of the five habitats. They are also introduced to habitat destruction and discuss ways to protect the environment. They do...

Students analyze the difference between the human habitat and the different habitats of animals in the six lessons of this unit. The students' imaginations and literature are used to explore important aspects of the living environments...

Students relate phrases and sayings to their life experiences. In this phrases and sayings lesson, students participate in activities and listen to stories to understand the meanings of each saying. One day is devoted to each saying.

Students investigate how to find the density of fluids and solids using math. Students also learn how to find the density of regular and irregular shaped objects.

[Free Registration/Login may be required to access all resource tools.] What exactly is a fish? You probably think the answer is obvious. You may say that a fish is an animal that swims in the ocean or a lake, using fins. But not all...

[Free Registration/Login may be required to access all resource tools.] There are almost 27,000 species of bony fish, which are divided into two classes: ray-finned fish and lobe-finned fish. Most bony fish are ray-finned. These thin...

[Free Registration/Login may be required to access all resource tools.] Cartilaginous fish range in size from the dwarf lanternshark, at 6.3 inches, to the 50-foot whale shark. These fish have a jaw and evolved from the jawless fish....

In this lesson, students explore where sounds come from and the different sounds that animals make.

[Free Registration/Login may be required to access all resource tools.] What defines a jawless fish? You can probably guess. A jawless fish is a fish without a jaw. But there are other features that are shared by this class of organisms....

How do fish produce electricity? Eleanor Nelsen illuminates the science behind electric fish.

[Free Registration/Login may be required to access all resource tools.] Vertebrates are animals with backbones. These include fish, amphibians, reptiles, birds, and mammals. Learn more about vertebrate characteristics in this learning...

[Free Registration/Login may be required to access all resource tools.] Water pollutants can have an effect on both the ecology of ecosystems and on humans. As a result of water pollution, humans may not be able to use a waterway for...

[Free Registration/Login may be required to access all resource tools.] Did you know that fish, amphibians, reptiles, birds, and mammals are all related? They are all chordates. Chordates are a group of animals that includes vertebrates,...

[Free Registration/Login may be required to access all resource tools.] Foods such as whole grain breads, fresh fruits, and fish provide nutrients you need for good health. But different foods give you different types of nutrients. You...

[Free Registration/Login may be required to access all resource tools.] Describes how humans use water today.

Neosha S. Kashef details the science behind the jellyfish sting. [4:17]