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Fungi Crossword
In this biology worksheet, students complete a crossword puzzle with 28 questions about fungi. They identify the different parts of a fungus.
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How Old Is This Tree?
Students work in pairs to determine the age of a tree using two different methods in this experiment. They collect data about how trees change over time.
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What is Life?
Students investigate the characteristics of living things. In this life science instructional activity, students examine several living and non-living specimens. Students determine which things are living and non-living.
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Water Purification
Students develop an understanding and appreciation of water purification techniques and their implications for health maintenance.
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Teaching Biotechnology By Analogies And Models
Learners explore biotechnology by analogies and models. They read several provided scenarios and answer questions to discover some basic concepts of biotechnology.
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Fossil Impressions of Ancient Life
Students make a mold using Plaster of Paris and then make a cast using that same mold. They pick a fossil and describe how it looks. They write a fictionalized story about its life, or burial. (
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Structures and Materials
In this materials instructional activity, students will review different types of materials and the structures that can be made using these materials. This instructional activity has 7 fill in the blank, 6 matching, 1 short answer, and 6...
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Nonvascular Plants
In this nonvascular plant worksheet, students compare the characteristics of bryophyta, hepatophyta, and anthocerophyta. This worksheet has 8 fill in the blank and 3 multiple choice questions.
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Biology Trivia
In this biology trivia learning exercise, students write short answers to 101 questions about animal classification, human anatomy, animal facts, and attributes of organisms.
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Explorit's Coffee, Tea or Chocolate Quiz
In this coffee and tea instructional activity, learners complete a six question multiple choice on-line interactive quiz about the cultivation and chemistry of coffee, tea and chocolate.
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Extraction of DNA from Onion
Students study DNA by isolating it from plant tissue. They determine the purpose of each step in the isolation procedure as it relates to the physical and biochemical characteristics of the genetic material
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Making a Human Tree
Students explore botany by defining the anatomy of a tree. In this environmental exploration activity, students research plant vocabulary terms and discuss the uses of each word. Students create a "human" tree by role-playing as one of...
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DNA Fingerprinting
Students experiment with chromatography as a technique which is similar to electrophoresis that scientists use to identify DNA samples.
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Self Portrait, What Nerve!
Students conduct an experiment to determine the distance between touch receptor fields in parts of the right-hand side of the body. They enter data into the data table.
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Making Paper
Students make paper from recycled paper. The student estimates, counts, and measures he amount of paper consumed in a classroom daily. They discover that if we use too much paper, it fills up landfills. Some activities they are doing...
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Making Embryo Sets
Students preserve embryos to study embryonic development from day 3 through 21.
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Paper, Microorganisms, and Biocides
Students study the paper making process and discuss the implications of recycling paper. Students conduct a lab to determine if microorganisms are present in different solutions used in the papermaking process today.
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Using Ion Exchange Chromatography to Separate Proteins
Students explore protein purification by separating a positively charged molecule, lysozyme, from a negatively charged molecule, albumin, at neutral pH using ion exchange chromatography.
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Teaching Biotechnology by Analogies and Models
Students examine analogies and create models to help visualize the concept and technique of basic biotechnology. Common scenarios are used to explain the complex procedures of genetic engineering.
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Major Ocean Surface Currents
Students investigate wind driven surface currents and prevailing winds by playing a card game. The cards are sorted by north or south and Atlantic or Pacific. They then predict where the two currents are found and what their...