Curated OER
Fueling the Body
In this nutrition worksheet, students review the organs and enzymes that are part of the digestive system. Then students review the food pyramid by comparing two menus. This worksheet has 9 fill in the blank, 4 true or false, and 5 short...
Curated OER
Following Digestion of a Meal
In this digestion worksheet, students review the organs involved in the digestive process along with the function of these organs. This worksheet has 5 fill in the blank, 8 short answer, and 7 matching questions.
Curated OER
Digestion and Nutrition
For this digestion worksheet, students will match 12 terms associated with the digestive system to their correct definition. The vocabulary words review the digestive system organs and their functions.
Curated OER
Lactose & Lactase
Students examine the characteristics of lactose and lactase. In this enzyme lesson plan students study the lactose in milk and its rate of dissolution.
Curated OER
Milk Makes Me Sick
High schoolers experiment with lactase to find out how milk sugar is broken down in the body. In this enzyme lesson, students use glucose strips to investigate the breakdown of lactose into glucose and galactose for milk digestion in the...
Curated OER
Chemical Energy
In this science worksheet, students read about enzymes and nutrition. Students also answer 2 comprehension questions about the reading.
Curated OER
From One End to the Other
Seventh graders trace a piece of food through the alimentary canal and differentiate between mechanical and chemical digestion in several different hands-on activities related to digestion.
Curated OER
Yum - Yum!! - The Digestion Lesson
Students explore the various components of the digestive system and learn about both the physical and chemical processes that work together to break down food into absorbable molecules.
Curated OER
Breaking It Down
Seventh graders explain the mechanism of digestion. In this biology activity, 7th graders perform an iodine test to check for the presence of starch. They discuss how energy travels through the food chain.
Howard Hughes Medical Institute
Got Lactase? The Co-Evolution of Genes and Culture
Does the human body evolve as quickly as human culture? With a stellar 15-minute video, explore the trait of lactose intolerance. Only about 1/3 of human adults seem to still have the enzyme lactase and therefore, the ability to digest...
Curated OER
Gel Electrophoresis
Young scholars conduct a variety of experiments to explore gel electrophoresis. In this biology lesson, explain how this process separate DNA and RNA. They discuss the practical applications of this method.
Curated OER
Protein Coagulation or Denaturation
In this proteins worksheet, students compare the coagulation of egg whites and milk proteins and then complete 5 short answer questions. A protein coagulation quiz is also included with 5 multiple choice questions.
Curated OER
Jeopardy
Students played a game of Jeopardy where there was five categories with five questions each in order to assess the retention of concepts taught over the semester. The categories included: Graphing/Summarizing/ Scientific Method, Gravity,...
Curated OER
What's on Your Plate?
Students demonstrate the path of food in the body. In this biology lesson, students conduct an experiment to determine how large the the digestive system is. They name the different organs involved in the digestive process.
Curated OER
Lactose Intolerance
Students are taught how enzymes enable chemical reactions to occur a body temperature and how the lack of enzymes in the body can cause problems in the break-down and absorpion of nutrients. They match up different enzymes with the...
Curated OER
There's Always Room For Jell-O
Students explore the breakdown of proteins. They cut wells in Jell-O and observe as the detergent digests the Jell-O. Students record their observations and take measurements.
Curated OER
From One End to the Other
Seventh graders become more familiar with how our food is broken down mechanically and chemically. They also trace the food through the alimentary canal.
Curated OER
The Point is to Make ATP
Storing and transferring energy is explained here with reference to the fight or flight response, along with the need for activity in times of lowered nutrition. This is a great summary of ATP applications, and after the multiple stages...
Curated OER
Fly Forensics
Freddy's Friendly Fruit Market is under attack by fruit flies, and it is up to your aspiring biologists to solve the crime! By reading and analyzing the phenotypes, detectives determine which fly is responsible. This memorable assignment...
Curated OER
Dinosaur and DNA Days
Biology stars extract DNA samples from beef thymus and then examine its properties. They use enzymes to digest the DNA samples, and then use electrophoresis to separate fragments. Finally, they discuss methods and principles of...
Curated OER
Animal Nutrition - Variations, Adaptations, & Regulation
Colorful pictures and graphics make this a visually-appealing presentation on animal nutrition. Be aware that two of the sixteen slides include blank graphic organizers, so you will need to find the other existing version of this...
Curated OER
Activity #7 Apple Color Change
Students compare the different rates of reaction between an apple covered with vitamin C and an apple with no vitamin C. They compare the different rates of reaction between an apple placed in the sun and one not exposed to the sun. ...
Curated OER
Science Concept Maps
A collection of concept maps has some terms filled in and others left blank for young scientists to fill in. This library can provide you with many pop quizzes for all of your middle to high school science curriculum.
Howard Hughes Medical Institute
Milk—How Sweet Is It?
Have you ever wondered why some people are lactose intolerant? Participants test simulated patients in a hands-on lab activity to find out! They learn about lactose intolerance by performing an experiment, analyzing data, and drawing...
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