Curated OER
Investigate Science Using Crayfish
Young scientists discover the importance of scientific investigation by observing live crayfish. They carefully observe the patterns of crayfish in different environments. Then they discuss their conclusions and define what all living...
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Crayfish Dissection Worksheet
In this crayfish dissection worksheet, students answer 11 questions about crayfish bodies. One question requires students to label all the parts of a crayfish body.
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The External Anatomy of the Crayfish
Students investigate the external anatomy of a crayfish. In this arthropod lesson plan, students study the structures of the head, the body and the appendages of a crayfish. They locate specific structures present in arthropods and...
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Invertebrate Diversity
Comparative anatomy prevails in the lesson exploring diversity among invertebrates. Biologists examine physical characteristics of an earthworm from phylum annelida and a meal worm from phylum insecta. They also inspect a cricket and a...
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The Trouble with Crayfish
Fourth graders compare an ecosystem before and after they introduce crayfish to that ecosystem. In this ecosystem lesson plan, 4th graders see what happens when you introduce a non native animal to a habitat. Students then make...
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A Science Experiment With Crayfish
A crayfish can lead to a science experiment involving habitats, animal behavior, and anatomy..
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Spot the Differences Between Two Pictures of Crayfish
In this comparison worksheet, young scholars examine two pictures of crayfish to find five differences. They check their work by using the word bank at the bottom of the page.
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Picture Scramble: Pond Lily, Pond Crayfish, Bluegill
In this science and visual discrimination worksheet, students examine images of a pond lily, pond crayfish and bluegill. Next to each picture is the same image which has been divided into 9 pieces and scrambled. Students place the...
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Digital Dissections
Students dissect organisms and take photographs to create a PowerPoint dissection library. In this anatomy lesson plan, students dissect organisms that interest them and photograph the process while identifying structures. They create a...
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Animal Behavior
Students investigate stimulus-response behavior, learned behavior in animals and innate behavior in animals. In this animal behavior lesson plan, students answer questions about their reactions to a toy cap gun that is fired off in...
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Examining the Stages in Ecological Succession
In this ecosystems worksheet, students use illustrations and descriptions of four ponds to determine the order of succession. Students complete 8 fill in the blank questions and 5 short answer questions.
Kenan Fellows
Use of Dichotomous Keys to Identify Stream Organisms
What kind of organisms are living in the stream? After an explanation on how to use a dichotomous key, groups of three to four use the keys to identify macroinvertebrates from a local freshwater stream. Using the the concept of Stream...
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Exploring Caves
Students explore the various characteristics of caves. Through class discussion and hands on activities, students identify what forces converge in the creation of a cave. They complete review activities at the conclusion of the lesson....
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Ask Rustle the Leaf About...Acid Rain
In this acid rain worksheet, students read about acid rain from a leaf's perspective. They fill in the blanks with 9 terms to complete a paragraph about acid rain. They also are given 8 clues to complete a crossword puzzle. Their is a...
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Invertebrate Diversity
Learners observe different animals with bilateral symmetry. In this biology lesson, students compare how these animals move. They discuss the evolutionary history of observed animals.
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Arthropod Coloring
In this arthropod worksheet, students compare and contrast the different animals found in the Phylum Arthropoda: insects, arachnids, and crustaceans. Students complete 8 fill in the blank statements and color illustrations.
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Arthropod Rhymes
In this arthropods worksheet, students read rhymes about arthropods and use the science terms they have learned to answer the question following the rhyme. This worksheet has 12 fill in the blank questions.
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Examining the Stages of Ecological Succession
In this ecological succession worksheet, students answer questions about the process of succession in four ponds given diagrams and descriptions.
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Animals and Their Coverings
Students investigate the coverings of vertebrates and invertebrates and cold-blooded and warm-blooded animals. In this animals and their coverings lesson plan, students observe displays of different animals and discuss and answer...
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Web of Life Game: Trout
Learners explore the concept of food webs. In this food web lesson, students demonstarte the connection between species. Learners use a ball of string show how the food web works, then have a class discussion.
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Amphibians Internet Activity
In this amphibians activity, students click on the links in the questions about amphibians to find the answers to the questions and then come back and answer the questions. Students answer 10 questions total.
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Working for Water
Students examine the ways that government works to help improve aquatic habitats. In this water habitats lesson students view a video and plan a school restoration project.
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Arthropods Crossword
In this arthropods worksheet, students complete a crossword puzzle with 41 questions about the different types and behaviors of arthropods.
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BIOASSESSMENT OF STREAMS
Young scholars work as a team to gather organisms from a stream to evaluate if the water quality is excellent, good, or fair to poor.
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