P5 Science · Chapter 18brightbit.net/worksheets
Human Reproduction & Growth
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
What are the four main stages of human growth?
(a) Baby, teenager, adult, elderly(b) Baby, child, teenager, adult(c) Infant, toddler, teenager, elderly(d) Child, teenager, adult, senior
- 2.
What is puberty?
(a) The stage when a baby learns to walk(b) The period when a child's body changes and develops into an adult body(c) The time when adults stop growing(d) The stage when children start school
- 3.
State TWO physical changes that happen to both boys and girls during puberty.
- 4.
At which stage of life does puberty usually occur?
(a) Baby stage(b) Child stage(c) Teenager stage(d) Adult stage
- 5.
Why do teenagers often experience a growth spurt during puberty?
- 6.
Which of the following is a stage where a human is most dependent on parents for survival?
(a) Teenager(b) Adult(c) Baby(d) Child
- 7.
What is reproduction?
(a) The process of growing taller(b) The process by which living things produce new individuals of the same kind(c) The process of eating and digesting food(d) The process of breathing
- 8.
Arrange these stages of human life in the correct order: adult, baby, teenager, child.
Answer: ____________________________________
- 9.
During which stage of life are humans able to reproduce?
(a) Baby stage(b) Child stage(c) After puberty (teenager and adult stages)(d) Only during old age
- 10.
Why is it important for humans to go through the different stages of growth?
Answer key — P5 Science: Human Reproduction & Growth
For parents. Step-by-step explanations for every question are free on brightbit.net.
- 1.(b) Baby, child, teenager, adult
- 2.(b) The period when a child's body changes and develops into an adult body
- 3.Growth spurt (rapid increase in height) and growth of body hair (e.g. underarm hair)
- 4.(c) Teenager stage
- 5.Hormones released during puberty cause the bones and muscles to grow rapidly, resulting in a sudden increase in height and weight
- 6.(c) Baby
- 7.(b) The process by which living things produce new individuals of the same kind
- 8.Baby, child, teenager, adult
- 9.(c) After puberty (teenager and adult stages)
- 10.Each stage allows the body and mind to develop the skills and physical maturity needed for the next stage; for example, children develop motor skills and learning, teenagers develop adult bodies through puberty, and adults are mature enough to reproduce and care for young
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