Everyday science - basic scientific concepts relevant to daily life - Question Bank

1. What is the primary energy currency of the cell?
A) DNA
B) RNA
C) Glucose
D) ATP
2. Which device is used to measure atmospheric pressure?
A) Thermometer
B) Hygrometer
C) Barometer
D) Anemometer
3. What is the scientific term for the hard, protective outer layer of an animal or plant structure?
A) Membrane
B) Epidermis
C) Exoskeleton
D) Cell wall
4. What is the process by which water vapor in the air turns into liquid water, forming clouds?
A) Evaporation
B) Sublimation
C) Condensation
D) Precipitation
5. Which gas is produced by plants during photosynthesis and is vital for animal life?
A) Carbon Dioxide
B) Nitrogen
C) Oxygen
D) Hydrogen
6. What is the term for the energy an object possesses due to its position or state?
A) Kinetic energy
B) Thermal energy
C) Chemical energy
D) Potential energy
7. What is the study of the Earth's structure and substance?
A) Astronomy
B) Geology
C) Meteorology
D) Biology
8. Which of the following is an example of a chemical change?
A) Melting ice
B) Boiling water
C) Burning wood
D) Dissolving sugar in water
9. What is the primary function of white blood cells?
A) Transporting oxygen
B) Clotting blood
C) Fighting infections
D) Carrying nutrients
10. What is the process of sound waves bouncing off a surface and returning?
A) Absorption
B) Amplification
C) Echo
D) Reverberation
11. Which gas is produced in large quantities during the burning of fossil fuels and contributes to global warming?
A) Nitrogen
B) Oxygen
C) Methane
D) Carbon Dioxide
12. What is the phenomenon where light splits into its constituent colors?
A) Refraction
B) Reflection
C) Diffraction
D) Dispersion
13. What is the term for the measure of how much space an object occupies?
A) Mass
B) Density
C) Volume
D) Weight
14. Which organ is responsible for producing bile?
A) Stomach
B) Pancreas
C) Gallbladder
D) Liver
15. What is the primary component of natural gas?
A) Ethane
B) Propane
C) Methane
D) Butane
16. What is the force that causes a ship to float on water?
A) Gravity
B) Friction
C) Buoyancy
D) Surface tension
17. Which of the following is a renewable source of energy?
A) Coal
B) Natural Gas
C) Solar Power
D) Petroleum
18. What is the common name for the solid state of water?
A) Steam
B) Water vapor
C) Ice
D) Dew
19. What is the process of water vapor turning back into liquid water?
A) Evaporation
B) Boiling
C) Condensation
D) Precipitation
20. Which type of wave is used in microwave ovens?
A) Sound waves
B) Radio waves
C) Microwaves
D) X-rays
21. What is the unit of electrical resistance?
A) Ampere
B) Volt
C) Watt
D) Ohm
22. What is the term for a substance that speeds up a chemical reaction without being consumed itself?
A) Inhibitor
B) Catalyst
C) Enzyme
D) Solvent
23. Which part of a plant is responsible for absorbing water and nutrients from the soil?
A) Stem
B) Leaves
C) Roots
D) Flower
24. What is the primary gas that plants absorb from the atmosphere for photosynthesis?
A) Oxygen
B) Nitrogen
C) Carbon Dioxide
D) Water vapor
25. What is the process of a liquid turning into a solid?
A) Melting
B) Boiling
C) Freezing
D) Evaporation
26. Which type of energy is associated with the movement of objects?
A) Potential energy
B) Chemical energy
C) Kinetic energy
D) Nuclear energy
27. What is the scientific term for the sensation of heat or cold?
A) Pressure
B) Temperature
C) Density
D) Volume
28. What is the main function of the kidneys in the human body?
A) Pumping blood
B) Filtering waste from blood
C) Producing hormones
D) Digesting food
29. Which force opposes motion between two surfaces in contact?
A) Tension
B) Gravity
C) Friction
D) Buoyancy
30. What is the term for the bending of light as it passes from one medium to another?
A) Reflection
B) Diffraction
C) Refraction
D) Dispersion
31. What is the process where plants release water vapor into the atmosphere?
A) Photosynthesis
B) Respiration
C) Transpiration
D) Absorption
32. Which gas is essential for combustion (burning)?
A) Nitrogen
B) Carbon Dioxide
C) Oxygen
D) Helium
33. What is the unit of measurement for electric current?
A) Volt
B) Ohm
C) Ampere
D) Watt
34. Which sound phenomenon occurs when a wave bounces off a surface?
A) Refraction
B) Diffraction
C) Reflection
D) Interference
35. What is the process of breaking down food into simpler substances that the body can absorb?
A) Digestion
B) Circulation
C) Assimilation
D) Excretion
36. What is the property of matter that resists changes in its state of motion?
A) Velocity
B) Acceleration
C) Momentum
D) Inertia
37. Which of the following is a good conductor of electricity?
A) Rubber
B) Plastic
C) Copper
D) Wood
38. What is the term for the change of state from gas to liquid?
A) Evaporation
B) Boiling
C) Condensation
D) Freezing
39. What is the primary function of red blood cells in the human body?
A) Fighting infection
B) Clotting blood
C) Carrying oxygen
D) Producing antibodies
40. Which gas do humans exhale during respiration?
A) Oxygen
B) Nitrogen
C) Carbon Dioxide
D) Hydrogen
41. What is the process by which solid changes directly into gas without becoming liquid?
A) Melting
B) Vaporization
C) Sublimation
D) Condensation
42. What is the common name for a sudden, rapid release of energy in the Earth's crust that causes shaking?
A) Volcano
B) Tsunami
C) Earthquake
D) Landslide
43. Which type of energy is stored in food?
A) Kinetic energy
B) Thermal energy
C) Chemical energy
D) Electrical energy
44. What is the main source of energy for Earth?
A) Moon
B) Stars
C) Sun
D) Geothermal heat
45. Which part of the human body is responsible for pumping blood?
A) Lungs
B) Brain
C) Heart
D) Liver
46. What is the process of water turning from a liquid to a gas (vapor)?
A) Condensation
B) Freezing
C) Evaporation
D) Sublimation
47. Which force keeps us grounded on Earth and causes objects to fall?
A) Magnetism
B) Friction
C) Inertia
D) Gravity
48. What is the basic unit of all living organisms?
A) Tissue
B) Organ
C) Cell
D) Molecule
49. What is the process by which plants make their own food using sunlight?
A) Respiration
B) Transpiration
C) Photosynthesis
D) Fermentation
50. Which phenomenon causes the sky to appear blue during the day?
A) Reflection of sunlight by clouds
B) Scattering of sunlight by atmospheric particles
C) Absorption of light by ozone layer
D) Refraction of sunlight through water vapor
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