Integrated Science Questions and Answers - Grade 7 Opener Exams Term 2 2023 Set 2

QUESTIONS

1. During introduction to Integrated Science in Grade 7 students learnt about different pathways related to Integrated Science as shown in the chart. Fill the blank spaces to complete the pathways. (5 mks)
   
2. Describe the following components of Integrated Science. (6 mks)
   1. Biology
   2. Chemistry
   3. Physics
3. While learning about laboratory safety you were taught about common hazard symbols and their meaning. Name the common hazard symbols below. (3mks)
   
4. Describe 4 careers that are related to study of Integrated Science in junior Secondary school? (4mks)
5. Name five basic Science skills. (5 mks)
6. Identify the derived units for the following quantities as learned in Integrated Science. (3 mks)
   1. Area
   2. Volume
   3. Density
7. Explain the term First Aid. (2mks)
8. Differentiate between a burn and a scald. (2mks)
9. While learning about common hazard in the laboratory, state 4 importance of observing safety in laboratory you discussed .(4 mks)
10. The diagrams below show laboratory apparatus. Identify and name them.(4mks)
    
11. Grade 7 learners were asked to list 2 causes of accidents in school. What do you think they said? (2 mks)
12. Study the diagram below and identify the parts labelled X, W, Y and Z. (4 mks)
    
    
    • X
    • Y
    • W
    • Z
13. Explain the meaning of the following terms as learnt in Junior Seven and give example in each. (4 mks)
    1. Homogenous mixture
    2. Heterogenous mixture
14. Name two mixtures that can be separated by use of a magnet? (2 mks)

Marking Scheme

1.                  
   1. Language and literature.
   2. Applied science.
   3. Technical
   4. Engineering
   5. Performing arts
2. Biology is the study of living things. Chemistry is the study of matter and its structure.
   Physics is the science that deals with matter, energy and their interaction.
3.            
   • Flamable
   • Toxic
   • Electric shock
4.              
   • Teaching
   • Medicine
   • Electrical engineering
   • Civil engineering
   • Nursing
   • Architecture
5.            
   • Observation
   • Manipulation
   • Measurement
   • Communication
   • Grouping
   • Conclusion
6.          
   • Area Square metre (m²)
   • Volume - Cubic metre (cm³)
   • Density-Kilogram per cubic metre (Kg/m³)
7. First is the first care given to a person after an accident before taking the person to hospital.
8.                
   • Burn is caused by dry heat such as fire.
   • Scald is caused by something that is wet such as hot water.
9.          
   • They prevent accident.
   • They prevent damaging equipment Provide conducive working environment.
10.              
    • Bunsen burner
    • Test tube holder
    • Tripod stand
    • Graduated beaker
11.          
    • Sharp objects
    • Open flames
12.              
    •  W-Body tube
    • X-Eye piece lens
    • Y-Arm
    • Z-Mirror
13.          
    • Homogeneous mixtures combine and form one layer that cannot be separated.
    • Heterogenous mixtures do not combine completely and can be separated physically.
14.              
    • Iron filings + sand
    • Office pins + flour
    • Steel wool + Maize seeds