Grade 6 – Science – LS
Set 8 – Grade 6 (Science)
Dear ! This is Set 8 – Grade 6 (Science) Quiz and it contains 25 questions.
1 / 25
1. Which of the following is an example of a renewable resource?
Solar power is an example of a renewable resource. It harnesses energy from the sun to generate electricity or heat. Solar panels capture sunlight and convert it into usable energy. Unlike fossil fuels, which are finite and non-renewable, solar power relies on a continuously available source of energy, the sun.
2 / 25
2. Which of the following is a renewable source of energy derived from the Earth’s internal heat?
Geothermal energy is a renewable source of energy derived from the Earth's internal heat. It involves tapping into natural heat reservoirs beneath the Earth's surface to generate electricity or provide heating and cooling for buildings.
3 / 25
3. What is the process by which an organism makes its own food using energy from sunlight?
Photosynthesis is the process by which organisms, such as plants and some bacteria, use sunlight energy to convert carbon dioxide and water into glucose and oxygen. It is an essential process for the production of food and oxygen in ecosystems.
4 / 25
4. What is the primary function of the ribosomes in a cell?
Ribosomes are cellular structures involved in protein synthesis. They are responsible for assembling amino acids into polypeptide chains based on the instructions encoded in messenger RNA (mRNA) molecules.
5 / 25
5. What is the study of the interactions between organisms and their environment called?
Ecology is the study of the interactions between organisms and their environment. It examines the relationships between organisms and their physical surroundings, as well as the interconnections between different species within ecosystems.
6 / 25
6. What is the largest planet in our solar system?
Jupiter is the largest planet in our solar system. It is a gas giant composed mostly of hydrogen and helium. Jupiter's immense size and mass make it more than 11 times the diameter of Earth and over 300 times more massive than Earth.
7 / 25
7. What is the process by which plants release water vapor through their leaves called?
Transpiration is the process by which plants release water vapor through their leaves. It occurs as a result of the plant's need to transport water from the roots to the leaves for various physiological processes. Transpiration helps cool the plant, facilitates nutrient uptake, and maintains the plant's overall water balance.
8 / 25
8. What is the process by which plants convert sunlight into chemical energy called?
Photosynthesis is the process by which plants convert sunlight, carbon dioxide, and water into glucose (a sugar) and oxygen. This process occurs in the chloroplasts of plant cells and is essential for the production of food and oxygen.
9 / 25
9. What is the function of the mitochondria in a cell?
Mitochondria are often referred to as the “powerhouses” of the cell because they are responsible for cellular respiration. They convert nutrients, such as glucose, into usable energy in the form of adenosine triphosphate (ATP), which is the energy currency of the cell.
10 / 25
10. What is the formula for the force exerted by an object?
According to Newton's second law of motion, the force exerted by an object is equal to its mass multiplied by its acceleration. This relationship is expressed by the equation F = ma, where F represents force, m represents mass, and a represents acceleration.
11 / 25
11. What is the unit of measurement for electric current?
Ampere is the unit of measurement for electric current. It represents the rate of flow of electric charge in a circuit. It is named after André-Marie Ampère, a French physicist who made significant contributions to the field of electromagnetism.
12 / 25
12. What is the primary function of the circulatory system in the human body?
The circulatory system, which includes the heart, blood vessels, and blood, is responsible for transporting nutrients, oxygen, hormones, and waste products throughout the body. It plays a vital role in maintaining the overall functioning of the body's cells and organs.
13 / 25
13. Which of the following is a greenhouse gas?
Carbon dioxide is a greenhouse gas that plays a significant role in the Earth's climate system. It helps trap heat in the atmosphere, contributing to the greenhouse effect.
14 / 25
14. Which of the following is a renewable source of energy derived from organic matter, such as plant biomass?
Bioenergy is a renewable source of energy derived from organic matter, such as plant biomass. It involves the conversion of biomass into usable energy forms, such as biofuels, biogas, and bioelectricity.
15 / 25
15. What is the primary component of the Earth’s core?
he primary component of the Earth's core is iron. The core is divided into two regions: the outer core, which is in a liquid state, and the inner core, which is solid. Both regions are believed to primarily consist of iron and nickel.
16 / 25
16. Which of the following is a non-renewable source of energy?
Coal is a non-renewable source of energy. It is a fossil fuel formed from the remains of plants that lived and died millions of years ago. Non-renewable energy sources are finite and take millions of years to form, making them unsustainable in the long run.
17 / 25
17. Which of the following is the hardest mineral on the Mohs scale?
The Mohs scale is a scale used to measure the hardness of minerals. Diamond is the hardest mineral and has a rating of 10 on the scale, while talc is the softest mineral with a rating of 1.
18 / 25
18. Which of the following is NOT a type of simple machine?
The options provided here consist of three types of simple machines (lever, wheel and axle, pulley) and one component of an atom (electron). Simple machines are mechanical devices that can change the magnitude or direction of a force to make work easier.
19 / 25
19. What is the unit of measurement for the force of gravity?
The unit of measurement for the force of gravity is the newton (N). It is named after Sir Isaac Newton, a physicist who made significant contributions to the understanding of gravity and motion.
20 / 25
20. What is the process by which a liquid changes into a gas at a temperature below its boiling point called?
Evaporation is the process by which a liquid changes into a gas at a temperature below its boiling point. It occurs when the liquid's particles gain enough energy to overcome intermolecular forces and escape into the surrounding environment as vapor.
21 / 25
21. What is the process by which liquid water changes into ice called?
Freezing is the process by which liquid water changes into ice. It occurs when the temperature of water decreases, causing the water molecules to slow down and arrange themselves in a rigid, crystalline structure.
22 / 25
22. What is the main component of Earth’s atmosphere?
Nitrogen is the main component of Earth's atmosphere, accounting for approximately 78% of the air we breathe. Oxygen is the second most abundant component, making up around 21% of the atmosphere.
23 / 25
23. What is the function of the nucleus in a cell?
The nucleus is a membrane-bound organelle present in eukaryotic cells. Its primary function is to store and protect the genetic material (DNA) of the cell, which contains instructions for protein synthesis and other cellular processes.
24 / 25
24. What is the process by which liquid water changes into water vapor at the surface called?
Evaporation is the process by which liquid water changes into water vapor. It occurs when the temperature of the liquid exceeds its boiling point at a given pressure, causing the water molecules to gain enough energy to escape into the air as vapor.
25 / 25
25. What is the function of the lens in the human eye?
The lens in the human eye is responsible for focusing incoming light onto the retina, which is located at the back of the eye. The lens adjusts its shape to allow for clear vision at different distances, a process known as accommodation.
Your score is
Restart quiz Exit
You cannot copy content of this page