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Chemical and Physical Changes
Learners experiment, identify and apply the concepts of chemical and physical changes utilizing real-world examples. They discuss and model physical and chemical changes, answer guided questions and play a game that reinforces the...
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Your Digestive System
In this digestive system worksheet, 9th graders identify and explain any difference found in color of the mixtures in two glasses. Then they determine what enzyme was produced by glands in the mouth changing the starch in a chewed cracker.
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Animal Nutrition
Use this great overview to give information on all aspects of nutrition. By working their way through this PowerPoint, students review a lot of information about the digestive process. Students read many facts on a number of detailed...
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Importance of Digestion
For this digestion worksheet, students complete statements using researched information about digestion and the digestive system. Students also sketch several figures that relate to digestion.
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Physical vs. Chemical
For this physical vs. chemical change worksheet, students answer 10 questions about identifying chemical and physical changes. They identify exothermic and endothermic reactions and the parts of a chemical equation. Students answer 1...
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Chemical Energy
In this science worksheet, students read about enzymes and nutrition. Students also answer 2 comprehension questions about the reading.
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Digestive System
In this digestive system instructional activity, students answer a list of true/ false questions. The students answer questions based on their knowledge of each process of the digestive system.
NASA
The Cycle of Matter
An educational activity focuses on the idea of conservation of matter through a demonstration of the water cycle, a discussion of digesting food, and the path of carbon and oxygen atoms as they change form.
NASA
The Importance of Food
Pupils make observations while eating food. They act out the process of food breaking down in the body and the roles of various chemical components, such as sugar and protein. It concludes with an activity illustrating the process and a...
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From One End to the Other
Seventh graders trace a piece of food through the digestive system. They describe the functions of the mouth, esophagus, stomach, etc.
Virginia Department of Education
The Effects of Heat and Acid on the Enzyme Catalase
How quickly do enzymatic reactions occur? Assist the class as they examine heat and pH change to determine the rate of chemical reactions using catalase as an enzyme. Watch them "glow" with excitement!
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Stomach Chemistry
Fifth graders compare physical and chemical changes. They perform a simulation experiment/activity that replicates what happens in the stomach as food is digested by stomach acids.
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The Human Organism
In this digestion and nutrition lesson, 3rd graders test foods to find their vitamin content. Students test for starch and fats then compare their findings on charts and oral reports. The lesson concludes with a teacher directed class...
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Ziplock Chemistry
Students investigate various chemical reactions when creating mixtures in ziplock baggies. In this chemistry lesson, students will recognize various chemical reactions and cite evidence. Safety and assessment strategies are included in...
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Properties of Matter
In this properties of matter worksheet, students answer 6 questions related to matter. They classify and categorize given statements as chemical or physical properties, they identify chemical and physical changes and they find the...
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Digestive System Crossword Puzzle
In this digestive system worksheet, students complete a crossword puzzle with 21 clues pertaining to digestive system vocabulary.
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Digestive System Crossword Puzzle Answers
In this digestive system worksheet, students are given the answers to a crossword puzzle with 21 clues pertaining to digestive system vocabulary terms.
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States of Matter and Chemical/Physical Changes Stations
Students break into four groups, starting at different stations. Each station should take about 10 minutes depending on prior knowledge of the topic. They then rotate when everyone is finished to the next station and discuss answers of...
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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.
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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...
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Cellular Respiration: Harvesting Chemical Energy
A complete overview of oxidation, reduction, and how electrons are moved in respiration. You could use this slide show to elaborate on the concept of harvesting stored energy, and to summarize the stages of aerobic and anaerobic metabolism.
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Enzymes
Tenth graders test their saliva for enzyme activity. In this enzyme lesson, 10th graders conduct an experiment to test the enzymatic activity of their saliva. They relate the lack of certain digestive enzymes with alcoholism.
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Amylase
Students examine what amylase is and its history. In this digestive instructional activity students study the effect amylase has on starch and how temperature affects the rate of activity.
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Organic Compounds
For this organic compounds worksheet, students practice identifying chemical structures and compare sugars, starches, and lipids. This worksheet has 5 matching and 15 multiple choice questions.