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 Standard Seven

 

STANDARD 7

UNIT 1.0: HUMAN BODY

TOPIC 1.1: Circulatory system

1.2 Specific Objectives

By the end of this topic, the learner should be able to:
a) identify parts of the circulatory system
b) describe the components of blood and their functions
c) identify the types of blood vessels and their functions
d) describe the structure and function of the heart.

1.3 Content

1.3.1 Parts of the circulatory system

heart
blood
blood vessels

1.3.2 Blood components and functions

plasma
red blood cells
white blood cells
platelets

1.3.3 Types of blood vessels and their functions

arteries
veins
capillaries

1.3.4 Structure and functions of the heart

auricles
ventricles
vessels (aorta, venacava, valves, pulmonary vein, pulmonary artery)

Hint: Details of structure and names of other specific blood vessels not required.

UNIT 2.0: HEALTH EDUCATION

TOPIC 2.1:

i) Drug abuse
ii) Myths and misconceptions on HIV/AIDS
iii) Care and support of those infected by HIV/AIDS

2.2 Specific Objectives

By the end of this topic, the learner should be able to:
a) explain what a drug is
b) explain drug misuse and abuse
c) describe health and social effects of drug abuse
d) dispel myths and misconceptions about HIV/AIDS
c) care and support for people infected by HIV/AIDS.

2.3 Content

2.3.1 Meaning of a drug
2.3 .2 Misuse of drugs
2.3.3 Drug abuse

meaning of drug abuse
commonly abused drugs such as tobacco, alcohol, miraa (khat), bhang, mandrax cocaine and inhalants (petrol and glue)

Hint: Details of nature, source, chemistry and composition of drug not required.
2.3.4 Effects of drug abuse

health effects such as poor health,
lack of concentration, impaired judgement, loss of consciousness (blackout), addiction, fits withdrawal, coma/death and poor health of the unborn
social effects such as marital conflicts, drug induced accidents, dropping out of school, truancy, fighting, loss of income and rape

2.3.5 Myths and misconceptions about HIV/AIDS

2.3.6 Care and support of people infected by HIV/AIDS such as:

love and care
adequate-diet
hygiene
medical care

UNIT 3.0: ENVIRONMENT

TOPICS 3.1:

i) Meaning of environment
ii) Components of the environment

3.2 Specific Objectives

By the end of this topic, the learner should be able to:
a) state the meaning of environment
b) name major components of the environment.

3.3 Content

3.3.1 Meaning of environment
3.3.2 Components of the environment

water
soil
air
plants
animals

UNIT 4.0: PLANTS

TOPICS 4.1:

i) Interdependence between plants and animals
ii) Crop pests

4.2 Specific Objectives

By the end of this topic, the learner should be able to:
a) explain interdependence between plants
b) explain interdependence between
plants and animals
c) explain what a food chain is
d) explain meaning of crop pests
e) identify some crop pests, their effects and control measures.

4.3 Content
4.3.1 Interdependence between plants

support
plants using others as habitat
shade

Hint: Names of plants not required.

4.3.2 Interdependence between plants and animals

food
oxygen
carbon dioxide
shelter
pollination
medicines
nutrients
animal waste
decomposition on death

4.3.3 Food chain

meaning
examples

Hint: Maximum 4 (four) member chain only.

4.3.4 Crop Pests

meaning of a pest
types of pests

- field pests (aphids, cutworms, stalkborers, weaver birds)
- storage pests (rodents, weevils, white-ants)

Hint: Discuss name of pest and part of crop attacked only.

4.3.5 Effects of pests on crops

lower yields
reduced quality of produce
transmit diseases to crops
cause diseases to consumers

4.3.6 Control measures

scaring
trapping
hand picking
weeding
spraying
pruning

UNIT 5.0: ANIMALS

TOPICS 5.1:

i) Livestock parasites
ii) Human intestinal worms

5.2 Specific Objectives

By the end of this topic, the learner should be able to:
a) name some external and internal parasites
b) state the effects of parasites on livestock
c) control some livestock parasites
d) control some human intestinal worms.

5.3 Content

5.3.1 Meaning of parasites
5.3.2 Livestock parasites

external parasites such as ticks, fleas and tsetseflies
internal parasites such as roundworms, tapeworms and liverflukes

Hint: Features, structure and life cycles not required.

5.3.3 Effects of parasites on livestock

poor health
Anaemia
irritation
poor quality products

5.3.4 Control of livestock parasites

rotational grazing
dipping
spraying
deworming

Hint: Details of methods and structures not required.

5.3.5 Methods of controlling human intestinal worms-such as

proper sanitation
proper washing of foods that are eaten raw
proper cooking of food regular deworming

UNIT 6.0 WATER

TOPICS 6.1:

i) Water pollution
ii) Effects of water pollution
iii) Water conservation

6.2 Specific Objectives

By the end of this topic, the learner should be able to:
a) state how water gets polluted
b) describe effects of water pollution
c) identify ways of controlling water pollution
(1)' describe ways of conserving water
c) appreciate the importance of conserving water.

6.3 Content

6.3.1 Water pollution

meaning
ways in which water is polluted

6.3.2 effects of water pollution

on plants
on animals
on soil

6.3.3 Ways of conserving water

harvesting
recycling
re-using
using sparingly
mulching/shading
storing water in dams

UNIT 7.0: SOIL

TOPIC 7.1: Soil fertility

7.2 Specific Objectives

By the end of this topic, the learner should be able to:
a) explain the meaning of fertilizers
b) identify different types of manures
c) classify fertilizers into straight and compound
d) state the advantages and disadvantages of manures and fertilizers.

Hint: Details of features, structure
and life cycles of the worms
not required.

7.3 Content

7.3.1 Meaning of fertilizers
7.3.2 Types of manures (green, farm yard and compost manures)
7.3.3 Types of fertilizers

straight fertilizers
compound fertilizers

7.3.4 Advantages and disadvantages of manures and fertilizers

UNIT 8.0: ENERGY

TOPIC 8.1: Electricity

8.2 Specific Objectives

By the end of this topic, the learner should be able to:
a) name sources of electricity
b) make a simple circuit
c) investigate good and poor conductors of electricity
d) identify electrical appliances found at home and their uses
e) describe safety measures when dealing with electricity
f) demonstrate safety measures when there is lightning.

8.3 Content

8.3.1 Sources of electricity
8.3.2 Batteries (torch and car battery)
8.3.3 Bicycle dynamos
8.3.4 . Hydro - electric generators
8.3.5 Petrol and diesel - driven generators
8.3.6 Geothermal generators
8.3.7 Wind-driven turbines
8.3.8 Solar energy (panels)

Hint: Details of the processes involved in the production of electricity not required.

8.3.9 Simple electric circuit
8.4.0 Good and bad conductors of electricity
8.4.1 Electrical appliances at home and their uses

an iron
radio
television
cooker
electric kettle

8.4.2 Safety when dealing with electricity
? not touching switches with wet hands
? not putting sticks, pencils and wires in sockets
? not overloading sockets.

8.4.3 Lightning and safety measures

fitting lightning arresters
avoid walking in open fields when it is raining
not sheltering under trees when raining

UNIT 9.0: PROPERTIES OF MATTER

TOPICS 9.1:

i) Dissolving solids in water
ii) Mixing liquids
iii) Magnetic and non- magnetic materials
iv) Separating mixtures

9.2 Specific Objectives

By the end of this topic, the learner should be able to:
a) identify solids that dissolve and those that do not dissolve in water
b) identify liquids which mix and those that don't mix
c) identify magnetic and non- magnetic materials
d) separate mixtures.

9.3 Content

9.3.1 Dissolving solids in water (sugar, salt, sand, flour)
9.3.2 Mixing liquids (water, kerosene, fresh milk and cooking oil)
9.3.3 Magnetic and non-magnetic materials
9.3.4 Separating mixtures

winnowing
sieving
picking
filtering
decanting
use of magnets
evaporation

UNIT 10.0: MAKING WORK EASIER

TOPICS 10.1:

i) Friction
ii) Parts of a lever

10.2 Specific Objectives

By the end of this topic, the learner should be able to:
a) investigate friction
b) state advantages and disadvantages of friction
c) demonstrate ways of reducing and increasing friction
d) identify positions of fulcrum, load and effort in different levers.

10.3 Content

10.3.1 Meaning of friction.
10.3.2 Advantages and disadvantages of friction.
10.3.3 Increasing and reducing friction.
10.3.4 Position of the fulcrum, load and effort
in the following levers when in use

claw hammer
crowbar
wheelbarrow spade.