Force and Energy

Levers as simple machines - Examples of levers

By the end of the lesson, the learner should be able to:

- Identify common levers used in day to day life
- Demonstrate the use of common levers
- Appreciate the role of levers in making work easier

In groups, learners are guided to:
- Visit a playground to identify and play on a see-saw
- Demonstrate the use of simple items like bottle openers, scissors, spoons, and spades
- Discuss how these items make work easier

What are common examples of levers?

SUPERMINDS Science and Technology pg. 108
- Bottle opener
- Scissors
- Spoon
- Spade
SUPERMINDS Science and Technology pg. 109
- Digital devices
- Hammer
- Nails
- Wood

- Observation - Practical activity - Oral questions

Force and Energy

Levers as simple machines - Examples of levers
Levers as simple machines - Parts of levers
Levers as simple machines - Parts of levers
Levers as simple machines - Parts of levers
Levers as simple machines - Classification of levers
Levers as simple machines - Classification of levers

By the end of the lesson, the learner should be able to:

- Classify various tools and equipment as levers
- Explain how levers make work easier
- Show curiosity in identifying levers in the environment

In groups, learners are guided to:
- Study and identify levers from provided pictures
- Classify the pictures as levers or non-levers
- Discuss how the identified levers make work easier

What makes a tool a lever?

SUPERMINDS Science and Technology pg. 110
- Pictures of various tools
- Real tools when available
SUPERMINDS Science and Technology pg. 111
- See-saw
- Pictures of levers
SUPERMINDS Science and Technology pg. 112
- Pictures of levers with labeled parts
- Real levers when available
SUPERMINDS Science and Technology pg. 113
- Digital devices
- Various levers
- Drawing materials
SUPERMINDS Science and Technology pg. 114
- Hammer
- Nail
- Wood
SUPERMINDS Science and Technology pg. 115
- Bottle opener
- Bottle of soda

- Observation - Oral questions - Written work

Force and Energy

Levers as simple machines - Classification of levers
Levers as simple machines - Uses of levers in day-to-day life
Levers as simple machines - Uses of levers in day-to-day life
Levers as simple machines - Uses of levers in day-to-day life

By the end of the lesson, the learner should be able to:

- Identify characteristics of third class levers
- Give examples of third class levers
- Show interest in the variety of levers in the environment

In groups, learners are guided to:
- Scoop sand using a spade to demonstrate a third class lever
- Discuss the position of the fulcrum, effort, and load in the spade
- Draw diagrams showing the arrangement of parts in third class levers

What makes a lever third class?

SUPERMINDS Science and Technology pg. 116
- Spade
- Sand
- Drawing materials
SUPERMINDS Science and Technology pg. 118
- Digital devices
- Various levers
- Chart paper
SUPERMINDS Science and Technology pg. 119
- Various levers (hole punch, pliers, scissors, etc.)
- Pictures of levers in use
SUPERMINDS Science and Technology pg. 120
- Small nails
- Wooden ruler
- Small boards
- Binding wires
- Plastic containers
SUPERMINDS Science and Technology pg. 122
- Pictures of household levers
- Real household levers when available

- Observation - Practical activity - Drawing activity

Force and Energy

Slopes as simple machines - Types of slopes
Slopes as simple machines - Different forms of slopes in the locality
Slopes as simple machines - Different forms of slopes in the locality
Slopes as simple machines - Different forms of slopes in the locality
Slopes as simple machines - Different forms of slopes in the locality

By the end of the lesson, the learner should be able to:

- Identify different types of slopes as simple machines
- Explain how slopes work as simple machines
- Show interest in understanding slopes in the environment

In groups, learners are guided to:
- Study pictures of different slopes (ramps, staircases, etc.)
- Discuss what is common in the pictures and the importance of slopes
- Brainstorm on the meaning of a slope as a simple machine

What types of slopes do we use as machines?

SUPERMINDS Science and Technology pg. 123
- Pictures of various slopes
- Real slopes in the school compound
SUPERMINDS Science and Technology pg. 124
- Raised platform
- Tyre
- Wooden board
SUPERMINDS Science and Technology pg. 125
SUPERMINDS Science and Technology pg. 126
- Camera/mobile phone/tablet
- Notebook
- School environment
SUPERMINDS Science and Technology pg. 127
- Pictures taken during field walk
- Notes from field observation
SUPERMINDS Science and Technology pg. 128
- Pictures of wedges
- Real wedges when available

- Observation - Oral questions - Written work

Force and Energy

Slopes as simple machines - Uses of slopes
Slopes as simple machines - Importance of use of slopes in day-to-day life
Slopes as simple machines - Importance of use of slopes in day-to-day life
Slopes as simple machines - Importance of use of slopes in day-to-day life
Slopes as simple machines - Importance of use of slopes in day-to-day life
Slopes as simple machines - Importance of use of slopes in day-to-day life
Slopes as simple machines - Importance of use of slopes in day-to-day life

By the end of the lesson, the learner should be able to:

- Identify modern applications of slopes
- Explain how elevators, escalators, and cableways make work easier
- Show curiosity in technological applications of slopes

In groups, learners are guided to:
- Study pictures of elevators, escalators, and cableways
- Use digital devices to search for information on how these systems make work easier
- Discuss how these modern systems apply slope principles

How are slopes used in modern transportation?

SUPERMINDS Science and Technology pg. 128
- Digital devices
- Pictures of elevators, escalators, and cableways
SUPERMINDS Science and Technology pg. 129
- Pictures of escalators
- Pictures of cableways
SUPERMINDS Science and Technology pg. 130
- Pictures of wheelchair ramps and accessibility slopes
SUPERMINDS Science and Technology pg. 131
- Pictures of sloped roads and recreational slopes
- Pictures showing construction ramps and emergency slides
SUPERMINDS Science and Technology pg. 132
- Presentation materials
- Pieces of timber/wood
- Nails
- Hammer
- Tape measure
- Saw
SUPERMINDS Science and Technology pg. 133
- Ladder
- Other adjustable slopes if available

- Observation - Oral questions - Written work