Cold Spring Harbor Laboratory
RNA Is an Intermediary Between DNA and Protein
For years, scientists believed tRNA was junk left over from larger RNA. Three scientists used different approaches to prove tRNA actually exists as the connection between DNA and protein. Learn about their experiments, their lives, and...
Cold Spring Harbor Laboratory
Bacteria and Viruses Have DNA Too
In the 1940s, scientists discovered bacteria conjugation, the process of DNA transfer or bacterial sex. The discovery proved that bacteria and viruses contain DNA and led to a Nobel prize. Interested individuals learn about the...
Alabama Learning Exchange
Mitosis: Divide to Survive
Learners identify the purpose of cellular mitosis. They work in groups of four to use images of animal and plant cell mitosis to illustrate each step in the mitosis process on their graphic organizer.
Curated OER
Using Microscopes
Learners do an experiment using a microscope. In this lesson, about cells, students examine different slides using a microscope. Learners look at an onion skin, cheek cells, and potato cells. In each of these, students find cell walls,...
Curated OER
Building a Clay Neuron
Students investigate and then build neurons in this lesson. They are examined as key parts of the brain and nervous system and seen as different from normal cells.
Curated OER
Mitosis and Meiosis Exercise
In this cell division worksheet, students answer 15 multiple choice questions about both mitosis and meiosis. Topics include the outcomes of the processes, the phases of the processes and steps within each process.
Curated OER
Viewing Bateria
Students use microscopes to observe E. coli bacateria on prepared slides and in a live culture. They use micro-slide viewers to observe the shapes of various bacteria and the structures within the bacterial cell. Students make an...
Curated OER
Life in a Drop of Water
Students examine the structure, function, and characteristics of microscopic organisms that inhabit freshwater through collection of water samples and observation through microscopes.
Curated OER
The Deep
In this deep ocean worksheet, students answer twenty questions after watching a video about the species that live in the deep ocean. Topics include jelly fish, hatchet fish, anglers, tubeworms, sea urchins, and plants that grow in deep...
Curated OER
Graze Like a Cow
Students explore how a cow digests the grass they eat. In this science/math instructional activity, students compare the quality of forage. Additionally, students determine the effects of rangeland health on the production.
Curated OER
Eukaryotes vs. Prokaryotes
Seven simple slides list characteristics of eukaryotic and prokaryotic cells. After viewing this presentation, future biologists will be also able to name the unique characteristics of plant, animal, and fungal cells. Ideally, you would...
Curated OER
The Five Kingdoms
An overview of the five kingdoms within the biological classification system is presented in this set of five slides. The first lists the objectives of the slide show, and the second gives general characteristics of plant, animal, and...
Curated OER
Exploring Film Genres for Telling Hero Stories: Animated Shorts
Students will create short movies. The integration of technology into the curriculum is important for learners to apply in various ways. This lesson is an example of that kind of integration.
Curated OER
Animal Kingdom: Phylum Chordata
Students use a dichotomous key to classify various vertebrate jar speciments into classes. They examine the speciments for general characteristics of each class and fill in a corresponding chart and then complete a few final assessment...
Curated OER
Body Plans and Adaptations
In this body plans and adaptations worksheet, students will review the different types of symmetry found in organisms. Students will identify body parts as found on either the ventral or dorsal part of an animal. Then students will look...
Curated OER
Photosynthesis and Cellular Respiration
In this energy worksheet, students review the processes that create energy for a cell: photosynthesis and cellular respiration. This worksheet has 11 fill in the blank and 14 short answer questions.
Curated OER
Experimentation with Teratogens on Zebrafish
Students compare mitosis and meiosis with regard to chromosome number in parent cells versus daughter cells, types of cells produced, total number of cells produced, and the number of divisions. In groups, identify and differentiate the...
Curated OER
Testing for Catalase Activity
In this catalase worksheet, students read about how enzymes work in cells. Then students conduct an experiment to test for catalase activity in potatoes. This worksheet has 1 graph and 6 short answer questions.
Curated OER
Edible DNA
Students use multicolored soft candies (gumdrops and candy orange slices) and toothpicks to create models of DNA structures. They discuss the fact that DNA must copy itself before splitting into two cells. Students demonstrate this by...
Curated OER
Identification of Animals by Serum Electrophoresis
Young scholars compare their unknown serum against a set of known serum standards and determine the animal source of their serum. They write a lab report to communicate their results.
Curated OER
Dissect with Respect
Learners, through exercises and discussions, examine ethics involved in the process of choosing and using laboratory animals, respect for the animal they dissect and how to behave in an ethical manner as they dissect various lab specimens.
Curated OER
Broken Bones
Pupils listen to a lecture on broken bones. They review the proper first aid techniques and practice setting splints on one another. They observe X-rays and animal bones.
Curated OER
Vertebrate Skeletons
In this biology worksheet, students examine the human skeleton and then classify animal bones according to their similar function.
Curated OER
Water and Ice
Students will observe, measure and describe the phase changes of ice. In this science lesson plan, students observe ice as it changes phases. Qualaitative notations made by individual students will be shared and compared.
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