Skip to content
Printable 4th grade health science worksheet showing vocabulary definitions for immune system, pathogens, bacteria, viruses, and lymphatic system.
Worksheet

Immune System and Disease Vocabulary

View Worksheet →

Download as-is, or customize
to fit your needs.

About:

This printable health science worksheet for 4th graders provides definitions for 22 key vocabulary terms on the immune system and disease. Topics include immunity, pathogens, bacteria, viruses, skin layers, mucus, lymph nodes, and the spleen. Useful for study notes, vocabulary practice, test preparation, or as a reference guide during a unit on the body's defense systems.

Subject:
Science
Topic:
Health & Nutrition
Grade Level:
4th Grade
Updated April 2026

How to Use This Worksheet

Print this worksheet for classwork, homework, or independent practice. Click 'View Worksheet' to edit questions, adjust formatting, or add your own content before downloading.

Related Activities

Waterveiligheid (Water Safety) Word Search

This 21-word Afrikaans word search teaches water safety vocabulary to Grades 2–4 students.

Obesity Drugs in Pets Crossword Puzzle

An 18-clue crossword covering obesity pharmacology in dogs and cats.

Thomas Edison: Scientific Contributions and Biography

This printable science worksheet introduces 4th graders to Thomas Edison through three open-response questions about his scientific contributions, interesting life events, and historical significance.

Lenses and Mirrors

This printable science worksheet introduces 4th graders to lenses and mirrors through six open-response questions.

Light Behavior

This printable science worksheet for 4th graders explores light behavior through eight short-answer questions.

Cognitive Health Crossword Puzzle

A 12-clue crossword on maintaining cognitive health and brain function.

Browse More Activities