Which of the following is an example of sound science


Assignment:

1. The divisions of physical science include all EXCEPT __________.

  • Physics
  • Social Science
  • Geology
  • Astronomy

2. Which of the following is an example of sound science?

  • Peer-Reviewed Studies
  • Astrology
  • Political Agendas
  • Superstition

3. Motion is described using what fundamental units?

  • Speed and Velocity
  • Height and Rate of Fall
  • Space and Area
  • Length and Time

4. Acceleration may result from ______________.

  • a change in speed
  • a change in direction
  • a change in speed and direction
  • all of the above.

5. When an object is said to be in freefall, this is said to be influenced by ____________.

  • air
  • wind
  • gravity
  • speed

6. Force always produces motion

  • True
  • False

7. An object will remain at rest or in uniform motion unless acted upon by ___________.

  • an external force
  • an internal force
  • light
  • heat

8. Given an object that weighs 10 kilograms and is traveling at 5 feet per second, what is the force of this object?

  • 5 kg/ft
  • 15 kg/ft
  • 50 kg/ft
  • 500 kg/ft

9. One small, light object and one heavy, large object are both traveling at the same speed; therefore, they have the same momentum.

  • True
  • False

10. Force produces __________ motion and torque produces ____________ motion.

  • constant; accelerated
  • decreased; angular
  • linear; rotational
  • none of the above

11. Doubling your speed increases your braking distance by _____________.

  • 0
  • 2
  • 4
  • 8

12. An example of potential energy is _______________.

  • water sitting behind a dam
  • a roller coaster in full motion
  • swinging a hammer
  • all of the above

13. Energy cannot be created nor destroyed.

  • True
  • False

14. Work and energy are measured in _________, while power is measured in ________________.

  • watts; horsepower
  • joules; horsepower
  • newtons; watts
  • joules; watts

15. Fossil fuels and geothermal energy are both nonrenewable energy sources.

  • True
  • False

16. Which of the following possess electrical charges?

  • Protons and Electrons
  • Protons and Neutrons
  • Neutrons and Electrons
  • Electrons only

17. A good example of a conductor is ____________.

  • wood
  • plastic
  • silicon
  • metal

18. When the wave propagation is perpendicular to the particle displacements, this is called a ____________ wave.

  • latitudinal
  • longitudinal
  • transverse
  • particle

19. Which of the following has the highest sound intensity?

  • City Traffic
  • Subway Train
  • Riveting Machine
  • Average Factory

20. When a star "twinkles" this is often a result of _______________.

  • humidity
  • refraction
  • air
  • reflection

21. When waves reinforce one another, they ________________.

  • cancel each other
  • increase the amplitude
  • interfere with each other
  • collapse

22. The major source of helium today is from ____________.

  • oxygen
  • natural gas
  • carbon dioxide
  • nitrogen

23. When heating food, microwaves penetrate only a few centimeters before being completely absorbed.

  • True
  • False

24. Waves associated with moving particles are called _____________.

  • motion waves
  • velocity waves
  • matter waves
  • moving waves

25. The process where an excited atom is struck by a photon and emits additional photons is ____________.

  • Heisenberg's Uncertainty Principle
  • Theory of Motion
  • Excited States
  • Photoelectric Effect

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Science: Which of the following is an example of sound science
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