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A cube has a side length of 4 cm. If the side length is doubled, by what factor does the surface area increase?
  a) 2
  b) 4
  c) 6
  d) 8

A spherical balloon has a diameter of 10 cm. What is the approximate volume of air it can hold?
  a) 523.6 cm³
  b) 4188.8 cm³
  c) 1047.2 cm³
  d) 125.7 cm³

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Instructions: Choose the best answer for each question.

1. What is the unit of force in the International System of Units (SI)?
  a) Joule
  b) Newton
  c) Pascal
  d) Watt

2. Which of the following is an example of kinetic energy?
  a) A drawn bow
  b) Water behind a dam
  c) A moving car
  d) A compressed spring

3. What is the acceleration due to gravity on the surface of the Earth?
  a) 9.8 m/s²
  b) 8.9 m/s²
  c) 10.5 m/s²
  d) 9.1 m/s²

4. Which law states that for every action, there is an equal and opposite reaction?
  a) Newton's First Law
  b) Newton's Second Law
  c) Newton's Third Law
  d) Law of Universal Gravitation

5. What type of wave requires a medium to travel through?
  a) Electromagnetic wave
  b) Matter wave
  c) Mechanical wave
  d) All of the above

Choose one

1. What is the unit of force in the International System of Units (SI)?
  a) Joule
  b) Newton
  c) Pascal
  d) Watt

2. Which of the following is an example of kinetic energy?
  a) A drawn bow
  b) Water behind a dam
  c) A moving car
  d) A compressed spring

3. What is the acceleration due to gravity on the surface of the Earth?
  a) 9.8 m/s²
  b) 8.9 m/s²
  c) 10.5 m/s²
  d) 9.1 m/s²

4. Which law states that for every action, there is an equal and opposite reaction?
  a) Newton's First Law
  b) Newton's Second Law
  c) Newton's Third Law
  d) Law of Universal Gravitation

5. What type of wave requires a medium to travel through?
  a) Electromagnetic wave
  b) Matter wave
  c) Mechanical wave
  d) All of the above

6. What is the formula for calculating work done?
  a) Work = Force × Distance
  b) Work = Mass × Acceleration
  c) Work = Power × Time
  d) Work = Energy × Time

7. In what type of collision is kinetic energy conserved?
  a) Elastic collision
  b) Inelastic collision
  c) Perfectly inelastic collision
  d) All collisions

8. What happens to the pressure of a gas if its volume is decreased while temperature remains constant?
  a) Pressure increases
  b) Pressure decreases
  c) Pressure remains the same
  d) Pressure becomes zero

9. What is the primary cause of the seasons on Earth?
  a) The distance from the Sun
  b) The tilt of the Earth's axis
  c) The rotation of the Earth
  d) The shape of the Earth's orbit

10. Which particle has a negative charge?
  a) Proton
  b) Neutron
  c) Electron
  d) Positron

11. What is the speed of light in a vacuum?
  a) 3 × 10^6 m/s
  b) 3 × 10^8 m/s
  c) 3 × 10^10 m/s
  d) 3 × 10^12 m/s

12. What is the principle of conservation of energy?
  a) Energy can be created and destroyed
  b) Energy can be transformed but not created or destroyed
  c) Energy is only found in mechanical systems
  d) Energy is not related to mass

13. Which of the following is NOT a fundamental force in nature?
  a) Gravitational force
  b) Electromagnetic force
  c) Nuclear force
  d) Frictional force

14. What is the wavelength of a wave if its frequency is 500 Hz and its speed is 340 m/s?
  a) 0.68 m
  b) 0.34 m
  c) 1.5 m
  d) 1.0 m

15. What is the relationship between mass and weight?
  a) Weight = Mass × Acceleration due to gravity
  b) Weight = Mass × Speed
  c) Weight = Mass / Acceleration due to gravity
  d) Weight = Mass + Acceleration due to gravity

Answer Key:

1. b
2. c
3. a
4. c
5. c
6. a
7. a
8. a
9. b
10. c
11. b
12. b
13. d
14. a
15. a