Student Exploration: Dehydration Synthesis
Vocabulary: carbohydrate, chemical formula, dehydration synthesis, disaccharide, glucose,
hydrolysis, monosaccharide, polysaccharide, valence
Prior Knowledge Questions (Do th
...
Student Exploration: Dehydration Synthesis
Vocabulary: carbohydrate, chemical formula, dehydration synthesis, disaccharide, glucose,
hydrolysis, monosaccharide, polysaccharide, valence
Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
1. If you exercise on a hot day, you need to worry about dehydration. In this context, what do
you think dehydration means? Dehydration-not having enough water or a high enough
water ratio for your body/cells to function properly
2. Astronauts and backpackers often bring dehydrated food. What do you think dehydrated
food is? Food that has had the water removed from it, will not spoil the same as nondehydrated water, takes up less space.
Gizmo Warm-up
What do rice, potatoes, and sugar have in common?
They are all foods rich in carbohydrates. Carbohydrates
are an important energy source for your body. The basic
building block of most carbohydrate compounds is the
molecule glucose. Using the Dehydration Synthesis
Gizmo™, you will learn about the structure of a glucose
molecule and how glucose molecules can be joined
together to make larger carbohydrate molecules.
To begin, select the CREATE GLUCOSE tab.
1. Look at the chemical formula for glucose. How many carbon (C), hydrogen (H), and
oxygen (O) atoms are found in a molecule of glucose? C: 6 H: 12 O: 6
2. Turn on Show chemical structure. Each black sphere represents a carbon, hydrogen, or
oxygen atom. The lines connecting the spheres represent chemical bonds.
A. How many black spheres are in the diagram? 24
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