1. UNIT 4 ACTIVITY 4 PHYSICAL SCIENCE COMPREHENSIVE CURRICULUM Pre-test Assessment: Read the following assessment question and record your group’s answer below in the given text box. Question: After Zac pushed a ball, it rolled across a 25 meter gym floor. He charted the speed of the ball as it passed each 5 meter mark. He noticed that as the ball rolled, it slowed down. What is the reason for the speed of the ball to decrease? a. He did not use enough force to sustain the speed of the ball. b. The ball had a smooth surface c. The friction between the ball and the surface d. The volume of the ball Answer:________

2. Investigation #1 Quarter/Index Card Flick Predict: What will happen to the quarter? It is to be place in the center of the index card that is covering the top of a cup. Next you will flick the index card horizontally away from your body. Prediction: Our quarter will ________________________________________. (Use complete sentences.) Measurement/Observation/Video: Insert your video of the investigation, Inspire Data chart, and give observations: ____________________________________________.

3. Investigation #2 Quarter and dime Smash! Predict: How many centimeters do you think the coin will travel if flicked causing it to slide and smash into a target coin? Prediction: Dime flicked at a quarter? ____________cm. Dime flicked at a dime? ______________cm. Quarter flicked at a dime? ____________cm. Measurement/Observation/Video: Insert your video of the investigation and give observations: ____________________________________________.

4. Investigation #3 Golf Ball/Water Bottle Crash! Predict: How many centimeters do you think the water bottle will travel after a golf ball crashes into it from a ramp? Prediction: Golf ball released from a “2 book high” ramp? ____________cm. Golf ball released from a “4 book high” ramp? ____________cm. Golf ball released from a “8 book high” ramp? ____________cm. Measurement/Observation/Video: Insert your video of the investigation, Inspire Data chart and give observations: ____________________________________________

5. REFLECTIONS: Answer the following in complete sentences. 1.Why did the coin fall into the cup and not move with the card when the card was flicked? 2.Why was it important to place the coins on a smooth, flat surface when doing the coin investigation? 3.What caused the coins at rest to move? What impacted the distance each coin moved? What happened to the coin you flicked towards the other coin once it hit? 4.How many books did it take to move the bottle the farthest? 5.Why do you think the bottle moved even though it was heavier than the golf ball? 6.What forces were at work in each investigations? 7.Can you predict a trend from what you observed with the responding movement of the coins? The interactions of the golf ball and bottle?

6. Post-test Assessment: Read the following assessment question and record your group’s answer below in the given text box. Question: PS GLE 14 Coin combinationMass of moving coin Distance coin traveled in cm Dime hits dime2.2 g25 cm Dime hits penny2.5 g22 cm Dime hits nickel5 g12 cm Dime hits quarter5.6 g 9 cm Jason collects data on the distance different coins travel when “flicked” by a dime. From the chart he creates a scatter plot. Predict what a coin with a mass of 3 grams would travel when hit by a dime: 10 cm 5 cm 30 cm 15 cm