Students identify types of worms. In this organisms lesson, students are shown slides of the different types of worms and take notes on each worm. Students answer questions about each worm.

Young scholars complete a three part activity lesson to identify elements of longevity in life expectancies and health. For this life expectancies lesson, students read background information about life expectancy data, and visit links...

Students investigate the environment by participating in a class trip. In this pond ecosystem lesson plan, students define a list of vocabulary terms associated with ponds such as invertebrate and metamorphosis. Students attend a field...

Eighth graders study how and why animals are classified into eight groups in the animal kingdom. They work together to identify organisms. They use the key to determine the phylum for the included problems.

Students are introduced to macroinvertebrates (primarily insects), the major segments of aquatic insects (the head, thorax and abdomen) and also differentiate between larval, nymph and adult stages. They investigate the head, thorax and...

In this science worksheet, students find the names of 14 waterfowl in a word search puzzle. The word bank has a detailed color drawing of each bird.

In this insects worksheet, students access a website to answer questions about the different types of insects that are food for fish. This worksheet has 10 short answer questions.

Students analyze how a poet uses language to capture creatures and draft a poem on a 'sinister' animal. In this poetry analysis lesson plan, students read Ted Hughes' poem 'Pike' and analyze pictures of pike fish. Students use their...

In this mollusks and annelids concept map instructional activity, students complete a concept map on the characteristics of invertebrates. They fill in 13 blanks using the correct word from the list.

In this mollusks and annelids activity, students complete a crossword puzzle with 34 questions on the types and classification of mollusks.

Young scholars explore pond ecosystems.  In this pond organism activity, students will use pond water and a plastic bad in order to locate and identify freshwater organisms.  The activity is designed for younger grades,...

Students use a game to review the multiplication tables. They answer each review question by working in teams and saying the answer by making it on the floor with their bodies.

Students work in groups to design a filtration process that will separate clean water from polluted water. They organize data in tables or graphs and present their findings to the class. Students identify further safety protocols that...

Students are asked to respond to questions such as:" Have there been surveys of the area to inventory the species?" (For example, for a wetland area, do they know what amphibians live there and how abundant they are?) Are there any...

In this problem solving worksheet, students analyze a row of pictures of various plants and animals to determine which creature is different from the others pictured.

For this word search worksheet, learners study the words related to the plague. Students locate the 21 words within the word search puzzle.

Students model natural selection by using various utensils to "capture food" using a simulated species called "Woolybooger's."

Learn about bloodsucking leeches by completing a web hunt, concept map, and question sheet.

This page answers questions that students might ask about leeches, including classification information. It also has excellent photographs of them and links to more in-depth information.

This site provides extensive information including body diagrams of different types of leeches.

This site gives a brief description of a leech, including its behavior, appearance, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.

Young scholars observe leeches, develop questions about them, and decide as a class which question to investigate further as an inquiry activity.

A short, easy-to-understand article on leeches.

Leeches are found all over the world in both fresh and salt water, yet people tend to know little about them. Some facts and photos of these misunderstood creatures are found here.