Grade 10 Science: Tooth Structure
This worksheet covers the fundamental structures and functions of human teeth, suitable for Grade 10 Biology students.
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Standards
Topics
Tooth Structure Worksheet
Name:
Date:
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Read each question carefully and answer to the best of your ability. Refer to the diagram provided for assistance.
Observe the diagram of a human tooth cross-section below and answer the questions.
1. Which part of the tooth is the hardest substance in the human body?
Dentin
Pulp
Enamel
Cementum
2. What is the primary function of the pulp?
Anchoring the tooth to the jawbone
Protecting the dentin
Providing nourishment and sensation to the tooth
Grinding food
3. The outer visible part of the tooth above the gum line is called the .
4. is a bone-like tissue that makes up the bulk of the tooth and surrounds the pulp.
5. The soft tissue located in the center of the tooth, containing nerves and blood vessels, is known as the .
6. Enamel is primarily composed of living cells that can regenerate easily.
True
False
7. The periodontal ligament helps to hold the tooth in its socket.
True
False
8. Describe the main differences in composition and function between enamel and dentin.
9. Explain the role of the cementum and periodontal ligament in supporting the tooth.
Use the words below to complete the sentences.
10. The part of the tooth embedded in the jawbone is called the .
11. The gum tissue that surrounds the base of the teeth is known as the .
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