Lesson Worksheet: The Human Life Cycle Science
In this worksheet, we will practice identifying the stages in the human life cycle.
Q1:
This is baby Jackson.

Fill in the blank: Jackson will grow into , then into a teenager.
- Aa child
- Ban adult
Q2:
Mia, Anthony, and Isabella are talking about life stages. Who is listing life stages in the correct order?
- AIsabella
- BAnthony
- CMia
Q3:
This diagram shows how a baby grows into an adult, who can then go on to have offspring of their own.
Fill in the blank: We call this diagram a life .
- Aline
- Bcycle
- Cstage
Q4:
Mia is a teenager. What was Mia in the life stage she has just completed?

- AA baby
- BAn adult
- CA child
Q5:
Here are pictures of Elizabeth in different life stages. Pick the picture that shows Elizabeth as a baby.
- A
- B
- C
- D
Q6:
Which life stage is missing from this life cycle?
- ABaby
- BTeenager
- CChild
- DAdult
Q7:
Put the life stages into the correct order.
Q8:
Michael is an adult.
Select the picture that shows Michael as a baby.
- A
- B
- C
Q9:
Benjamin is looking at photos of people in his family. Pick the photo that shows a person in Benjamin’s immediate family.
- A
- B
- C
Q10:
Michael is looking at photos of people in his family. Pick the photo that shows a person in Michael’s extended family.
- A
- B
- C