Welcome to your model exam G.sicence- garde 8
GRADE 8 MODEL EXAMINATIONS
GENERAL SCIENCE MODEL EXAM - 001
TIME ALLOWED: - 60 MIN
GENERAL DIRECTION: THIS EXAMINATION CONSISTS OF 60 QUESTIONS. FOR EACH QUESTION FOUR ALTERNATIVES ARE GIVEN. CHOOSE THE CORRECT ANSWER FROM THE GIVEN ALTERNATIVES.
1.
What are the indigenous methods of measurements?
2.
Which of the following is a base unit for temperature in the metric system
3.
What is the scientific method used for?
4.
During a scientific investigation, what is the first step of the scientific method?
5.
in the conversion of base units, what is the relationship between meters and kilometers?
6.
How is the mass of an object measured?
7.
What is the correct order of the steps in the scientific method?
8.
Early thinkers about the composition of matter believed in
9.
Inside an atom, where are the electrons located?
11.
Which types of compounds are based on carbon?
12.
What happens during a neutralization reaction?
13.
Which system is responsible for protecting the body from external harm?
14.
The digestive system is primarily responsible for:
15.
What is the main function of the respiratory system?
16.
Which of the following is an abiotic factor in an ecosystem?
17.
What is the role of decomposers in an ecosystem?
18.
Family of the Solar System includes:
19.
What process led to the formation of the Solar System?
20.
In comparison with other planets in the Solar System, Earth is:
21.
Earth's suitability for life is attributed to its:
22.
What is the source of light in the phenomena of light?
23.
Vision and imaging are related to the study of:
24.
What type of wave is sound?
25.
What is the transfer of thermal energy through direct contact of particles?
26.
In a simple circuit, what component controls the flow of current?
27.
What is the property of attracting or repelling other objects due to its magnetic field?
28.
Which of the following is a unit for measuring temperature?
29.
What is the SI unit for measuring time?
30.
The phenomenon of light reflection occurs when light:
31.
What is the process of converting a solid into a liquid through the addition of heat?
32.
In the context of ecosystems, what is biodiversity?
33.
What is the primary role of the skeletal system?
34.
Which of the following is a renewable natural resource?
35.
The Earth's atmosphere is composed mainly of:
36.
What is the main function of the circulatory system?
37.
The process of breaking down food into simpler substances that can be absorbed is known as
38.
Which planet is known as the "Red Planet"?
39.
What is the unit of electrical resistance?
40.
What type of wave is electromagnetic radiation?
41.
The smallest unit of an element that retains its chemical properties is called:
42.
What is the process of changing from a gas to a liquid called?
43.
The neutralization reaction involves the combination of an acid and a:
44.
Which of the following is a greenhouse gas?
45.
What is the function of the integumentary system?
46.
The process of breaking down glucose to release energy is known as:
47.
The Earth's atmosphere is divided into different layers. Which layer contains the ozone layer?
48.
What is the primary function of the muscular system?
49.
The transfer of pollen from the male part to the female part of a flower is called:
50.
In which part of the human body does fertilization typically occur?
51.
What is the primary source of energy for most living organisms on Earth?
52.
What process is responsible for the movement of nutrients and water in plants?
53.
Which of the following is a renewable energy source?
54.
The main component of Earth's crust is:
55.
What is the process of converting a gas into a liquid called?
56.
In the water cycle, what process involves water vapor turning into liquid water droplets?
57.
Which of the following is an example of a renewable natural resource?
58.
What is the function of the circulatory system in the human body?
59.
The process of breaking down food into simpler substances that can be absorbed is known as:
60.
What is the primary role of the skeletal system?
