Science test 75 marks
Created on 13th June 2025
Grade level: Grade 8th grade
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20 Questions
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Questions (20)
1. What is the primary function of a microscope?
To observe small objects
4 choice options
2. Which of the following is NOT a characteristic of living things?
Invisibility
4 choice options
3. What is the process of pollination?
The transfer of pollen from male to female parts of a flower
4 choice options
4. Which measurement is used to determine the mass of an object?
Grams
4 choice options
5. In an ecosystem, what does a food chain illustrate?
The flow of energy from one organism to another
4 choice options
6. What is the main purpose of a chemical equation?
To represent a chemical reaction
4 choice options
7. What is diffusion?
The spreading of particles from an area of high concentration to low concentration
4 choice options
8. What is germination?
The process of a seed developing into a new plant
4 choice options
9. What type of change is rusting of iron?
Chemical change
4 choice options
10. Which of the following best describes osmosis?
The diffusion of water across a selectively permeable membrane
4 choice options
11. What is the main purpose of a microscope in scientific research?
To magnify small objects for better observation
4 choice options
12. Which of the following is NOT a characteristic of living things?
Ability to move independently
4 choice options
13. Which of the following best describes diffusion?
Movement of particles from an area of high concentration to low concentration
4 choice options
14. What are the three main parts of a seed?
Embryo, cotyledon, seed coat
4 choice options
15. How do plants perform photosynthesis?
By using sunlight to convert carbon dioxide and water into glucose
4 choice options
16. What is the primary function of the flower in plants?
To produce seeds
4 choice options
17. Which of the following is a physical change?
Melting of ice
4 choice options
18. What is the role of decomposers in an ecosystem?
To break down dead organic matter
4 choice options
19. What is the purpose of human reproduction?
To maintain genetic diversity
4 choice options
20. What is the periodic table used for?
To display the properties of elements
4 choice options