Name
Date
Index Number
Class
SCIENCE
Chapter:
Worksheet:
11- Digestion in Animals
Digestion (Interactive)
Additional Materials:
Website link (http://kitses.com/animation/swfs/digestion.swf)
1. Click on the various foods in the interactive application and complete the table below:
Food
Sugar
Baked
Starch
Protein
Fat
Vitamins Minerals Roughage Water
(fibre)
beans
Ice
cream
Grilled
Fish
Sweets
Apple
2. Click over the parts of the alimentary canal on the right hand side of the application
and predict which parts of the alimentary canal will be involved in the digestion of
each food (there can be more than one part for each food):
Food
Baked
Parts of the alimentary canal involved in digesting the food
beans
Ice cream
Grilled Fish
Sweets
Apple
1
3. As you go through the application, complete the table below. Using what you have learnt so far, be as specific as
possible when completing the table:
Part
Process
Mouth
Physical
digestion
Chemical
digestion
Substances/Enzymes Substrates
present
acted upon
-
Salivary amylase
Starch
Function
Breaks food into smaller pieces by chewing.
Salivary amylase breakdown starch into small sugar
molecules.
Stomach
Small
intestine
2
Part
Process
Substances/Enzymes
present
Substrates
acted upon
-
-
-
-
-
-
-
-
Colon/
Large
intestine
Function
Rectum
Anus
3
4. As you go through the application, complete the figure below.
Protein
Protease
Shorter chains of
proteins
Fats
Lipase
Shorter chains of
fats
4
Glycerol
Fatty acids