Junior Secondary 3 | Science

Action steps

1. List some traits that run in a family

2. Distinguish between dominant and recessive traits

3. Identify recessive and dominant traits in your family

4. State the importance of family traits

5. Trace a family’s genealogy

Action steps

1. Explain soil erosion

2. Identify human activities that cause erosion

3. Describe methods of controlling erosion

4. Describe practical methods of preventing erosion on a given farmland

Action steps

1. Describe different types of drainage patterns in your community

2. State the causes of flooding

3. Describe how flooding can be prevented

4. Discuss effects of flooding

Action steps

1. Mention social, economic and agricultural practices influencing bush burning

2. Discuss the effects of bush burning

3. Suggest regulations against bush burning

Action steps

1. List causes of deforestation

2. State different effects of deforestation on plant and animal population

3. Describe government regulations against deforestation

Action steps

1. List causes of deforestation

2. State different effects of deforestation on plant and animal population

3. Describe government regulations against deforestation

Action steps

1. Identify where the ozone layer is located in the atmosphere

2. State the importance of the ozone layer

3. State the hazard of depletion of ozone layer to life on earth

4. Mention control measures against depletion

Action steps

1. Describe some effects of drug abuse on youths

2. State the strategies for a healthy drug free lifestyle

3. Describe the role and activities of national drug control agencies

Action steps

1. Discuss the processes of digestion and absorption of food

2. Describe what happens to absorbed food (metabolism)

3. Explain how excess food is stored

4. Mention forms in which excess foods are stored and where stored

5. List sexually transmitted infections

6. State adverse consequences of infection to their lives

7. Demonstrate skills for self-preservation against the abuse of sexuality

Action steps

1. Describe elements, compounds and mixtures with examples

2. Describe their properties and uses

3. Explain the combining powers of elements (valence of elements)

4. Write the symbols of common elements

5. Write the formulae of common compounds

Action steps

1. Identify the resources derived from living things

2. Name the sources of these resources

3. Group the resources based on their sources

4. Explain the importance of these resources to self-development and societal development

Action steps

1. Identify types of soil

2. Describe the components of soil

3. Distinguish between soil types based on composition

4. List the uses and importance of soil

Action steps

1. Mention solid minerals and where they are found in Nigeria

2. Draw a map of Nigeria showing distribution of solid mineral deposits

3. List the importance and uses of solid minerals

Action steps

1. Explain the meaning of skill and skill acquisition

2. State reasons for acquiring skills

3. State the importance of skills acquisition

4. List types of skills

Action steps

1. Express your views on the right and wrong application of science

2. Discuss the implications of the application of science to the development of the society

Action steps

1. Explain the concepts of reflection and refraction

2. Illustrate apparent depth and explain its danger to swimmers

3. Describe how we see things

4. Explain the concept of dispersion and use it to interpret the formation of a rainbow

Action steps

1. Use objects to produce sound by making them vibrate

2. Explain the production of sound from a vibrating medium

3. Indicate how sound is reflected and identify objects that reflect sound

4. Explain how sound is heard by the ear

Action steps

1. Describe a loadstone as a naturally occurring magnet

2. State laws of magnetism

3. Illustrate magnetic poles and fields

4. Explain how to care for a magnet

Action steps

1. Indicate the direction of electron flow in a circuit

2. Set up series and parallel circuits when materials are provided

3. Connect ammeter and voltmeter to a series or parallel circuit and read their values

4. State the functions of some materials in the house circuit

5. Read an electric meter for billing

Action steps

1. Explain the meaning of radioactivity

2. Name some radioactive elements

3. List the three types of radiation and state their properties

4. List some of the uses of radiation

5. State the dangers in the use of radioactive rays