
Understanding Pearls and Oysters
Interactive Video
•
Biology
•
6th - 7th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main topic introduced at the beginning of the video?
The history of oysters
The idea of giving pearls as a gift
The love for pet oysters
The process of making jewelry
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What triggers the formation of a pearl inside an oyster?
The water temperature
The oyster's diet
A foreign object entering the oyster
The oyster's age
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What substance does an oyster secrete to cover a foreign object?
Calcium carbonate
Keratin
Conchiolin
Silica
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smooth substance called that forms the layers of a pearl?
Nacre
Silica
Conchiolin
Keratin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What factors influence the quality of a pearl?
The oyster's diet
The type of foreign object
The depth of the water
The oyster's shell color
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for pearls that form in uneven shapes?
Flat pearls
Oval pearls
Round pearls
Baroque pearls
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are pearls cultivated artificially?
By using a special light
By changing the water temperature
By placing a bead inside the oyster
By feeding oysters special food
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