stations review january proficiency
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Stations Review January Proficiency. Station 1. 1. What kind of speed is represented by the solid, curved line? 2. What is represented by the following graph?. Curved line indicates CHANGING speed. Constant Speed Horizontal line means speed stayed the same, as time elapsed. - PowerPoint PPT PresentationTRANSCRIPT
Stations ReviewJanuary Proficiency
Station 11. What kind of speed is represented by the solid, curved line?
2. What is represented by the following graph?
Curved line indicates
CHANGING speed
Constant SpeedHorizontal line means
speed stayed the same, as time elapsed.
Station 1
3. What is the average speed of this object?
S=2m/min
Station 2It took John 4 hours to travel 48 kilometers. What was his speed?
Samantha ran 2 meters in the first second and 12 meters in the next second. What was her average speed?
A car travels 45 km south in 3 hours. What is the car’s velocity?
S=12km/hr
S=7 m/s
S=15 km/hr SOUTH
Station 3Label the following as contact or noncontact forces.
Dragging your feet across the carpet.Magnets getting pulled together.Pushing a table to the other side.
ContactNoncontactContact
45 N 50 N
15 N 15 N
Unbalanced
Balanced
Unbalanced
A.B.
C.
Station 4A.
C.
B.
D.
E. F.
Fluid ➔
Static⟵
Sliding ➔
Static➔
Fluid ⟵
Sliding ⟵
Station 5Which of Newton’s Laws applies to the following scenarios?
A. Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.
B. A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
C. A soccer ball accelerates more than a bowling ball when thrown with the same force.
Third Law
First Law
Second Law
Station 5
Action: Hand exerts force on punch bag
Reaction: Punch bag exerts force on hand
Action: Foot exerts force on ball
Reaction: Ball exerts force on foot.
Station 6Match each example with the correct energy. Record the letter next to the correct number. _____1. Electric Energy a. Echolocation _____2.Mechanical Energy b. Light bulb _____3.Radiant Energy c. Appliances _____4.Sound Energy d. Heat _____5.Thermal Energy e. Roller Coaster _____6.Seismic Energy f. Stretched rubber band _____7.Elastic Potential Energy g. Earthquakes
C.
E.
B.
A.
D.
G
F.
Station 7What are the energy transformations involved in a blender?
Which law states energy cannot be created or destroyed?
What are the two factors that affect Gravitational Potential Energy?
1. Electric Energy (outlet)2. Mechanical Energy (blade rotating)3. Sound Energy
Law of Conservation of Energy
1. Mass 2. Distance from Earth’s surface
Station 8What would the angle of reflection be?
What simple machine does this object use?
Which has a greater frequency, x-ray or microwaves? Which has a longer wavelength, microwave or gamma ray?
35°
Wheel & Axle
X-Ray
35°
Microwave