2. STATION 1 - MAGNETS MAGNETIC FORCE TYPE: FIELD The push/pull decreases with distance and magnet strength 2B 3B 4B 2B3B4B

3. STATION 2 – BUCKET & WATER BUOYANT FORCE TYPE: CONTACT A PUSH BY A FLUID FLUIDS ARE LIQUIDS OR GASSES ALSO WORKS WITH BALLOONS 2B 3B 4B4B

4. STATION 3 – BUNGEE CORD ELASTIC FORCE TYPE: CONTACT Forces from objects that are stretched or compressed and regain their original shape are elastic Ex: springs & rubber bands 2B 3B 4B3B4B

5. STATION 4 – WEIGHTS WEIGHT FORCE TYPE: FIELD SPECIAL CASE OF GRAVITATIONAL FORCE – FROG’S WEIGHT FORCE PUSHES DOWN ON SCALE – GRAVITY PULLS ON THE SCALE ITSELF – 2B 3B 4B 2B3B4B

6. STATION 5 – BOOK ON COUNTER NORMAL FORCE TYPE: CONTACT CAUSED BY REPULSION AT THE ATOMIC LEVEL Perpendicular to the surface doing the push. 2B 3B 4B3B4B

7. STATION 6 – MAGIC WAND & FUR STATIC ELECTRIC FORCE TYPE: FIELD 2B 3B 4B 2B4B http://phet.colorado.edu/sims/html/john-travoltage/latest/john-travoltage_en.html

8. STATION 7 – DROPPING BALL PUSH FORCE TYPE: CONTACT NOTE: FOR US, ONLY PEOPLE PUSH AND PULL 2B 3B 4B

9. STATION 8 – FISHING POLE TENSION FORCE TYPE: CONTACT WE SEE TENSION PULL UPWARD WHEN THE LINE IS TIGHT 2B 3B 4B3B

10. STATION 9 – SYRINGE AIR PRESSURE FORCE TYPE: CONTACT THIS FORCE INCREASES WITH TEMPERATURE 2B 3B 4B 2B3B4B

11. STATION 10 – SCALE PUSH FORCE TYPE: CONTACT HIGH SCORE: – 200 LBS PEOPLE PUSH & PULL 2B 3B 4B 2B3B

12. STATION 11 – BOOK ON A WHITEBOARD FRICTION FORCE TYPE: CONTACT FRICTION IS CAUSED BY SURFACES TOUCHING ALWAYS OPPOSES DIRECTION OF MOTION 2B 3B4B 2B3B4B

13. STATION 12 – 3 PIECES OF PAPER AIR FRICTION FORCE TYPE: CONTACT SURFACE AREA & SHAPE DETERMINE HOW MUCH AIR FRICTION THERE IS ALSO CALLED: – AIR RESISTANCE – 2B 3B 4B 2B3B4B

14. STATION 13 – Spring scale & weight BUOYANT FORCE TYPE: CONTACT WATER PUSHES up AGAINST THE WEIGHT 2B 3B 4B 2B3B

15. STATION 14 – MAGNET CAGE MAGNETIC FORCE TYPE: FIELD MAGNETS HAVE THEIR OWN MAGNETIC FIELD MAGNETIC FIELDS ARE STRONGEST AT THEIR POLES 2B 3B 4B 2B3B4B