

Energy and Digestion Concepts
Interactive Video
•
Chemistry, Biology, Science
•
6th - 7th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of the unit discussed in the introduction?
Obtaining energy and removing waste
The structure of the human brain
The process of photosynthesis
The role of the heart in circulation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the body need to break down food into its original molecules?
To make it taste better
To allow absorption by cells
To change its color
To increase its size
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does saliva play in the digestion process?
It changes the color of food
It starts the digestion process
It makes food harder
It cools down the food
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the cracker activity, why did the second cracker become softer and sweeter?
Because of the heat in the mouth
Due to the action of saliva
Because it was chewed more
Due to the air in the mouth
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the energy from food when it is digested?
It is converted into water
It is released and used by the body
It is stored as fat
It is lost as waste
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the experiment involving burning food?
To show how food changes color
To demonstrate energy release
To observe food decomposition
To measure the weight of food
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the temperature change in the water during the experiment?
It indicates a change in water color
It demonstrates water evaporation
It shows energy release from food
It measures the weight of the water
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