Name the three basic cloud types

1. Name the three basic cloud types • Stratus, cumulonimbus, and cirrus • Nimbus, cirrus, stratus • Stratus, cirrus, and cumulus • Stratocirrus, cirrus, and cumulus

2. A force can be defined as a • An attraction or repulsion • A push or a pull • Interaction between two objects • Involves momentum

3. Momentum does not require for the object to have • Mass • Velocity • Movement in a specific direction • Acceleration

4. For an object to have inertia, the object can • Be at rest • Move at a constant momentum • Have no interaction with external forces • None of the above

5. Air quality is influenced by • The amount of particulates in the air • the amount of ozone in the air • The amount of water in the air • All of the above

6. Force is measure in • Newtons • (kg)(m)/sec2 • Both A and B • None of the above

7. An example of a second class lever would be a • Wheelbarrow • Elbow • Seesaw • None of the above

8. What type of instrument measures the relative humidity of the air • Hydrometer • Barometer • Anemometer • Hygrometer

9. Newton’s second law of motion involves • The relationship between mass and acceleration • the equivalent but opposite forces of action and reaction • How inertia keeps a body in motion • All of the above

10. The mechanical advantage describes • The efficiency of the machine • How much force the machine can handle • What force is needed to operate the machine • How many parts are involved with the machine

11. Newton’s third law of motion applied to a airplane in the air would involve the following forces • Thrust and drag • Lift and gravity • Both A and B • None of the above

12. The chance for severe weather increases with • A cold front and a low pressure system • A warm front and a high pressure system • A cold front and a high pressure system • All of the above situations would increase the chance for severe weather

13. The mechanical advantage of an inclined plane is calculated by • The base divided by the height • The base divided by the thickness • The slope divided by the height • The slope divided by the base

14. The weight of an object is calculated by • Multiplying the object’s mass and the size of the object • Multiplying the object’s mass by the acceleration due to gravity • Multiplying the object’s density by the object’s mass • Multiplying the object’s volume by the acceleration due to gravity

15. You can determine the velocity of an object by • Dividing the distance traveled by the time traveled • Dividing the acceleration of the object by the time traveled • Multiplying the speed of the object by the time traveled • Determining the speed and direction of the object

16. Inertia only occurs when • The object is at rest • The object is at a constant momentum • Both A and B • None of the above

17. What would have to occur for the production of large hail • A very strong low pressure system • The presence of a tornado in the vacinity • A highly developed storm convection cell • All of the above

18. A fulcrum is used in what type of simple machine • Pulley • Inclined plane • Lever • Wheel and axle

19. The acceleration due to gravity would be greatest on • Earth • Mercury • Saturn • Mars

20. Climate change could be most affected by • Presence of carbon dioxide in the atmosphere • The amount of ozone in the atmosphere • The amount of precipitation over time • All of the above

21. Greenhouse gases include • Carbon monoxide • Carbon dioxide • Nitrogen oxides • All of the above

22. Weight and mass would be equivalent if • There was no acceleration due to gravity • There was no significant gravitational force • The acceleration due to gravity was 1 m/sec2 • None of the above

23. Gravitational force increases as • The two objects get closer together • The two objects are similar in mass • The two objects are very different in mass • The two objects get farther apart

24. Centripetal force of an object is directed • Toward the center • Away from the center • At a right angle from the radius • None of the above

25. Torque increases as • The force moves away from the point of rotation • The force moves closer to the point of rotation • The length of the lever increases • The force occurs directly at the point of rotation

26. Greenhouse gases can be reduced by • Reducing the amount of automobile exhaust • Using more solar energy to heat homes • Reducing the use of plastic containers • All of the above

27. The amount of work is measured in • Joules • N-m • Both A and B • None of the above

28. Power can be described by • Watts • Joules divided by time • N-m/sec • All of the above

29. Satellites are useful for • Determining oceanic surface temperatures • Determining development of storm systems • Determining the presence of air particulates • All of the above

30. The mechanical advantage of a wheel and axle is calculated by • Dividing the radius of the axle by the radius of the wheel • Dividing the radius of the wheel by the thickness of the wheel • Dividing the radius of the wheel by the radius of the axle • Dividing the radius of the wheel by the length of the axle

31. The distance a projectile travels is influenced by • The initial velocity of the projectile • The angle at which the projectile is launched • The height at which the projectile is launched • All of the above

32. Acceleration can be measured by • Determining the slope of a line from a graph of velocity versus time • Determination of acceleration by knowing the weight and mass of an object • Dividing the change of velocity over a known amount of time • All of the above

33. Fossil fuels include • Natural gas • Coal • Gasoline • All of the above

34. Centrifugal force occurs • Directly away from the center • Perpendicular to the radius • Both A and B • None of the above

35. On a seesaw a force of 100 N at 1 m from the fulcrum can be balanced by a 25 N force at what distance from the fulcrum on the other side • 2 m • 4 m • 1 m • 8 m

36. If the gravitational force of the moon is approximately one sixth of the earth’s gravitational force, an object that weighs 100 lbs on earth would weigh ____ on the moon • 160 pounds • 33.4 pounds • 16.7 pounds • 100 pounds

37. The mechanical advantage of a wedge increases as • The slope of the wedge increases • The thickness of the wedge decreases • The ratio of the slope to the thickness increases • All of the above

38. A change in the momentum of an object occurs • When an external force is applied on the system • The mass of the object changes • There is a change in direction the object is travelling • All of the above

39. The change of momentum can be calculated by • Multiplying the force applied by the time the force is applied • Multiplying the mass of the object by the velocity of the object • Both A and B • None of the above

40. The layer of the atmosphere where weather occurs is the • Stratosphere • Mesosphere • Thermosphere • troposphere

41. What is the slope of a graph of velocity versus time of an object with an acceleration of 50 m/sec2 • 100 m/sec2 • 50 m/sec2 • 100 m/sec • 50 m/sec

42. What is the velocity of an object with an acceleration of 100 m/sec2 after 3 seconds? • 100 m/sec • 150 m/sec • 200 m/sec • 300 m/sec