1. Physical Science Final
1st Semester 2012

2. Kilo means
1,000
100
.01
.001

3. SI temperature
Degrees C
Degrees F K S

4. .32 L = _______ ml
320
3.2 32
.32

5. Technology is
Applied science
Energy
Matter
Pure science

6. Gathering info through the senses
Analysis
Observation
Hypothesis
Inference

7. A factor that does not change in an experiment
Constant
Control
Dependent variable
Hypothesis

8. A factor that DOES change is
Independent variable
Constant
Control
Observation

9. Motion is a change in
Time
Speed
Velocity
Position

10. A speedometer shows Instantaneous speed Constant speed Average speed
Velocity

11. 3 m/s North
Speed
Velocity
Position
Acceleration

12. vf-vi/t =
Velocity
Speed
Acceleration
Momentum

13. Upward force on a falling object
Air resistance
inertia
Momentum
Velocity

14. F = ma Newton’s first law Newton’s second law Newton’s third law
Conservation of momentum

15. Path of a projectile is Curved Always horizontal Always vertical
Straight

16. Gravity depends on Friction Inertia Mass and distance
Speed and direction

17. P= mv
Friction
Inertia
Momentum
Position

18. To every action there is an equal and opposite reaction.
Conservation of momentum
Newton’s 1st law
Newton’s 2nd law
Newton’s 3rd law

19. 300 N acts on a 25 kg object. Acceleration =? m/s2
7500
300 25 12

20. The end