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.

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Presentation transcript:

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.

Station 1 3. What is the average speed of this object? S=2m/min

Station 2 It 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 3 Label the following as contact or noncontact forces. Dragging your feet across the carpet. Magnets getting pulled together. Pushing a table to the other side. Contact Noncontact Contact 45 N 50 N 15 N Unbalanced Balanced Unbalanced A. B. C.

Station 4 A. C. B. D. E. F. Fluid ➔ Static Sliding ➔ Static ➔ Fluid Sliding

Station 5 Which 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 6 Match each example with the correct energy. Record the letter next to the correct number. _____1. Electric Energya. Echolocation _____2.Mechanical Energyb. Light bulb _____3.Radiant Energyc. Appliances _____4.Sound Energyd. Heat _____5.Thermal Energye. Roller Coaster _____6.Seismic Energy f. Stretched rubber band _____7.Elastic Potential Energyg. Earthquakes C. E. B. A. D. G F.

Station 7 What 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 8 What 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