Download Lesson plan - Nuim Science Ed 2011

Lesson plan
Date: 5-10-12
Class: First year
Topic: Function and composition of blood
Prior knowledge:
 The structure and function of a cell.
 The importance of blood in the body and the implications of blood loss.
Aims:
 To explain the composition of blood.
 To introduce the idea of blood cells and explain the 3 types.
 To identify and describe the 2 basic functions of blood.
Objectives:
 To know that blood is made of plasma, white and red blood cells and platelets.
 To identify the characteristics of each blood component.
 To know that blood is used for transport and defence and which cells are
responsible for each function.
Health and safety:
 Oil, water, dye: ensure that nothing is ingested and make sure spillages are
cleaned immediately.
 Glass: careful not to shatter, ensure breaks are cleaned up properly.
Resources needed:
 Pint glass
 A half pint glass
 Five litre jar
 Water
 Oil
 Red dye
 Power point
Question during activity: to stimulate, to probe, to get students thinking about learning
Q1) What can you tell me about blood?
Q2) Does anybody know how much blood you have in your body?
Q3) Do you know what blood is made up of?
Q4) Why is blood important?
Q5) What happens when you get a cut? What happens when it starts to heal?
Stage of lesson
Opening:
Stimulus to
engage
Student activity
Input ideas/thoughts into a
question.
Teacher activity
Ask (Q1) and record answers on
white board.
Answer question and observe
visual aids.
Ask (Q2) and demonstrate
amount of blood with five litre
jar representing the amount of
blood in an adult and half pint to
represent the amount in a baby.
Ask questions. Observe the
visual aids provided.
Explain actual composition of
blood and demonstrate with a
pint glass of dyed water and oil
to show the separate layers. Ask
(Q3).
Engage in learning and answer
question giving their thoughts or
ideas.
Describe each blood cell and ask
(Q5) with reference to platelets.
Use a visual aid to demonstrate
white blood cell. Describe red
blood cell and show PowerPoint
visual aids.
Ask questions and listen.
Ask Q(4). Introduce the two
functions of blood, transport and
defence. Explain how each cell
component is important in blood.
Use pac-man visual aid to
demonstrate the idea of
engulfing.
Discuss Summary and ask
questions.
Brief Summary of lesson
including functions and how each
cell is involved.
Revision on the worksheet and
learn key words.
Short test on the revision
worksheet in the next class.
Development
Closure
Homework
Evaluation and analysis:
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