Home / Worksheets / Grade 9 / Science / Human Decomposition Worksheet

Human Decomposition Worksheet

This worksheet covers the stages and factors influencing human decomposition, suitable for Grade 9 Science students.

Grade 9 Science BiologyHuman Decomposition
Use This Worksheet

Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerMatching

Standards

NGSS.HS-LS1-2NGSS.HS-LS2-6

Topics

biologyforensic sciencedecompositionsciencegrade 9
7 sections · Free to use · Printable
← More Science worksheets for Grade 9

Human Decomposition Worksheet

Name:

Date:

Score:

Read each question carefully and provide your best answer based on your understanding of human decomposition.

1. Which of the following is the first stage of human decomposition?

a

Bloating

b

Fresh

c

Active Decay

d

Skeletonization

2. What is the primary cause of bloating during decomposition?

a

Insect activity

b

Bacterial gas production

c

Loss of body fluids

d

Environmental temperature

3. The process of self-digestion by the body's own enzymes after death is called  .

4. The presence of maggots on a decomposing body is most common during the   decay stage.

5. A body decomposes faster in cold, dry environments.

T

True

F

False

6. Forensic entomology is the study of insects to determine time of death.

T

True

F

False

7. List three environmental factors that can affect the rate of human decomposition.

8. Briefly explain the difference between autolysis and putrefaction.

Match each term with its correct definition.

9. Adipocere

 

a. The stiffening of muscles after death

10. Rigor mortis

 

b. The cooling of the body after death

11. Livor mortis

 

c. A waxy substance formed from body fat in specific conditions

12. Algor mortis

 

d. The pooling of blood in lower parts of the body after death