Article reports on a new study that claims that the energy released from asteroid collisions may have sparked life on Earth. Includes a list of key vocabulary.

Did you know that when you use fertilizer in your garden, it can eventually reach a lake, stream, or pond? There are many different chemicals present in fertilizers. Learn how they affect the aquatic organisms in the ecosystem within...

Heart rates can be determined by the amount of physical activity your body is engaging in. The more physically active you are, the faster your heart beats. You can measure the rate your heart is beating by taking your pulse. This science...

It seems as though dogs, like people, have definite preferences for their play things. This fun project investigates what makes a toy interesting to a dog. In these experiments, you and your dog can have some fun while you learn about...

Chemicals from the Earth's atmosphere are making their way down to the planet. Not in spaceships, but in rain. The acid rain can infiltrate ground water, lakes, and streams. How does acid rain affect aquatic ecosystems?

You might know that lead can be toxic, and that you can get lead poisoning from eating or inhaling old paint dust. Lead is called a heavy metal, and there are other sources of heavy metals that can be toxic, too. Silver, copper, mercury,...

In this lesson, students examine the physical characteristics of fish that live in the Great Lakes and identify common features that help species to survive in that environment. Downloadable resources include a fish poster, fish family...

Great PDF to teach students about plant reproduction and life cycle. There are many teacher printables.

Pearl Louise Pohl was a gifted teacher who believed strongly in environmental conservation and spent her life dedicated to environmental causes.

Describes the characteristics of the marine biome and the plants and animals that live there.

Describes the three stages of a tornado's life cycle.

In this lesson, learners will choose an organism of their choice and research its life cycle, food chain, diet, and habitat, then predict how habitat change might affect the organisms living within it.

This site explains the importance of rivers in the natural balance of life on Earth, and describes what happens when people begin to tamper with rivers. This will also help students identify options for dealing with the outcomes of human...

In this simple lesson, students grow yeast to learn how the climates on each of the nine planets would affect life.

Plants need air, water, soil, and light to grow. Students learn about plant growth and development by conducting an experiment that demonstrates the importance of light to plants.

Describes five different types of decomposers that feed on decaying organic matter in the oceans and that are at the bottom of the ocean food chain.

A 5th/6th grade student in Shutesbury, Massachusetts, created this character file (CF) as part of a Learning expedition on local scientists. As part of the expedition, students surveyed all of the fields that are considered the hard...

Article reports on recent mission by a private space company to beam messages to Mars from Earth. Includes video.

Cooperative learning groups and chain links are used to find the mean, median, and mode. A Science NetLinks lesson is linked for further real-life application in the world of baseball (optional). This lesson plan was created as a result...

USS Constitution was built as a fighting machine and utilized the six simple machines of science to accomplish the many tasks required of her. Students will identify and manipulate these machines to create inventions that would have made...

Mathematics has an important role in the real world outside of school. In this lesson plan, young scholars will learn how scientists use multiplication to estimate animal populations. Included in the lesson plan are a detailed plan,...

A 5th/6th grade student in Shutesbury, Massachusetts created this character file as part of a Learning expedition on local scientists. Students were engaged in a survey-style study of all of the fields that are considered the hard...