CK-12 Foundation
Ck 12: Life Science: Enzymes in the Digestive System
[Free Registration/Login may be required to access all resource tools.] Chemical digestion could not take place without the help of digestive enzymes. An enzyme is a protein that speeds up chemical reactions in the body. Digestive...
CK-12 Foundation
Ck 12: Physical Science: Enzymes as Catalysts
[Free Registration/Login may be required to access all resource tools.] Explores how enzymes work and their role in chemical reactions in living cells.
Science Buddies
Science Buddies: Enzyme Catalyzed Reactions What Affects Their Rates?
Enzymes speed up chemical reactions by factors of at least a million. This project investigates some of the factors that affect how fast enzymatic reactions occur.
Science Buddies
Science Buddies: A Juicy Project: Extracting Apple Juice With Pectinase
This is a basic project on the effect of enzymes on apple slices. The goal of the project is to monitor enzyme activity by measuring the amount of apple juice released by pectinase.
Khan Academy
Khan Academy: Enzymes and the Active Site
An article reviewing over enzymes and active sites.
Science Buddies
Science Buddies: Molecular Scissors
Ever used a pair of molecular scissors? Restriction enzymes are molecular scissors that cut DNA into pieces. Find out which enzymes will cut, and where by making a restriction map. Then you can figure out what will happen if you change...
Science Buddies
Science Buddies: Which Fruits Can Ruin Your Dessert?
Here is a basic project for investigating enzymes that prevent gelatin from solidifying. This way you can understand why it is some fruits are not recommended for inclusion when it comes to making gelatin.
K Science
K Science: Enzymes
Several animations illustrating how enzymes catalyze chemical reactions. Examine how temperature affects the enzymes and how toxins can alter the shape of the enzymes.
Khan Academy
Khan Academy: Basics of Enzyme Kinetics Graphs
Learn about the basics of enzyme kinetics graphs, and see examples of the graphs to understand the valuable data that is found on the graph. [12 min, 29 sec]
Science Buddies
Science Buddies: Liver Stinks!
Sometimes science can be really messy or use pretty disgusting ingredients. That is what it takes to understand how the world works, even if the experiment isn't pretty. If you like chemical reactions that stink and ooze foamy bubbles...
Science Buddies
Science Buddies: I Love Ice Cream, but It Doesn't Love Me: Lactose Intolerance
Pizza, milk shakes, and ice cream sundaes all contain dairy products, therefore they cannot be eaten by the majority of people around the world. Dairy products contain the sugar molecule lactose, and the majority of people on the planet...
Science Buddies
Science Buddies: Weeds Be Gone! Experiment That Affect Roundup Weed Killer
Experiment with factors that affect the activity of the weed killer Roundup. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction, followed by a section on terms, concepts, and...
Science Buddies
Science Buddies: Explore Enzyme Activity
In this science activity, you will investigate the enzyme called catalase to find out how it helps to protect your body from cell damage.
Science Buddies
Science Buddies: Explore Enzyme Activity With Toothpicks
In this activity, you will simulate an enzymatic reaction and explore what factors affect the activity of an enzyme.
Khan Academy
Khan Academy: One Gene, One Enzyme
Learn about these historical experiments having to do with genes being connected to enzymes: Garrod's studies of alkaptonuria and Beadle and Tatum's work with Neurospora mutants.
CK-12 Foundation
Ck 12: Physical Science: Biochemical Reaction Chemistry
[Free Registration/Login may be required to access all resource tools.] Definition of a biochemical reaction, the different types and the importance of enzymes in biochemical reactions.
Khan Academy
Khan Academy: Energy and Enzymes: Enzyme Regulation
Review over the factors that can control enzymatic activity with this article.
Khan Academy
Khan Academy: Biology: Energy and Enzymes: Overview of Metabolism
An article reviewing how energy flows in a cell including metabolic pathways.
CK-12 Foundation
Ck 12: Life Science: 11.18 Digestive System Enzymes
Learn how the enzymes in the digestive system help with the digestive process in the human body.
Ducksters
Ducksters: Biology for Kids: Enzymes
Explore information about enzymes in the science of biology including what they do, how they work, and things that affect enzyme activity.
Exploratorium
Exploratorium: Science Snacks: Milk Makes Me Sick
This activity will use glucose strips to explore the function of lactase enzyme in milk. Students will try to understand the lactase enzyme to figure out the basics of lactose intolerance.
Khan Academy
Khan Academy: Restriction Enzymes & Dna Ligase
Learn about restriction digestion, where the result has sticky ends and blunt ends. Also find out about ligation reactions.
Other
Science Alive: Changing the Starch in "Yams" to Sugar
This lab activity provides students with the experience of using their own enzymes to convert starch to sugar (a disaccharide called maltose), then testing to see if the conversion has taken place.
Science & Plants for Schools
Science & Plants for Schools: Project Ideas
A website featuring project starter ideas to help students carry out hands-on practical investigations on plants. Some ideas featured on the page include exploring food waste, medicinal plants, enzymes in fruits, and much more! Project...