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Presentation transcript:

A BCDE

Question Column What is speed?

Answer Column Distance traveled over a period of time

Question Column What force causes planes to land?

Answer Column Gravity or air resistance

Question Column True or False If you push on an object, the object pushes on you.

Answer Column True

Question Column Draw a graph that shows a car speeding up and then stopping

Answer Column The graph will show a line going up and then horizontal.

Question Column Missy, Soni, and Sally are all swim on a swim team. Missy swims the 50 meters in 10 seconds, Sally swims the 100 meters in 50 second, and Soni swims the 200 meters in 10 seconds. Rank the order from 1 (slow) to 3 (fast).

Answer Column Soni 20 m/sec Missy 5 m/sec Sally 2 m/sec

Question Column If you want to find out if your dog or cat is the fastest, what two things do you need to measure?

Answer Column Time and distance

Question Column In the ramp experiment, which ramp height will give the car the most speed?

Answer Column The higher the ramp, the faster the speed

Question Column What are three things a force can do to an object?

Answer Column Speed up, slow down or change direction

Question Column What is an unbalanced force and give me an example.

Answer Column An unequal force causing an object to move. Examples – motion of some sort.

Question Column ObjectWeight Eraser1.5 grams Paper0.5 grams Paper clip1.0 grams If a student uses a rubber band to launch the items above, which item will go the farthest and why do you think so?

Answer Column The piece of paper because it is the lightest.

Question Column What is motion?

Answer Column A change in position

Question Column Which item would have the largest gravitational pull? A basketball, a marble, a bowling ball or they all have the same pull

Answer Column A bowling ball

Question Column If several people push a stalled car, what force is overcome at the moment the car begins to move?

Answer Column friction

Question Column In our labs which two forces can make an object move faster?

Answer Column Applying more force, Raise the ramp, Having less weight

Question Column TrialWeightNewtonsSpeed 1500 g1035 m/sec g10 In the experiment above, what is the speed of the second trial? Why do you think so?

Answer Column The speed should be half or 17.5 m/sec because if you double the weight, you cut the speed in half.

Question Column How can you make an object move?

Answer Column Apply a force

Question Column What is an balanced force? Give me an example

Answer Column An object at rest. Examples vary

Question Column In our lab of the weight vs speed we had a plastic ball, a wooden ball and a steel ball. What was the conclusion?

Answer Column The heavier the object, the more speed it would have.

Question Column In our ramp experiment, identify the 2 forces acting on the car and describe the forces.

Answer Column Gravity – pulls the car down the ramp Air resistance or friction slows the car Upward push – holds the car above the carpet Friction – slows the car down

Question Column I have 3 pieces of wood, A, B or C, and 3 nails of equal length. If it takes 5 Newtons to sink a nail into A 15 Newtons to sink a nail into B 2 Newtons to sink a nail into C What can you tell me about the hardness of the wood A, B, C?

Answer Column B is the Hardest A is the middle C is the softest

Question Column What is a Newton?

Answer Column A measure of Force

Question Column If I have 2 shopping carts, L and E. L weighs 50 Kg E weighs 75 Kg If they both roll down a hill, which shopping cart will require more force to stop and why?

Answer Column Shopping Cart E because it is heavier

Question Column How much force will be needed to move the 500 g weight? TrialWeightNewtonsSpeed 1500 g g10

Answer Column N

Question Column We place 5 books in the wagon and pull it with a spring scale. Then we place 10 books in the wagon and pull it with a spring scale. What is the variable that we are testing?

Answer Column The weight or number of books

Question Column Place the trucks in order of their speed from 1 (lowest) to 4 (highest). TruckDistanceTime M144 miles12 min N225 miles15 min S110 miles11 min T205 miles10 min

Answer Column Highest (4) is Truck T(20.5mi/min) 3 is is Truck N (15 mi/min) 2 is Truck M (12mi/min) Slowest (1) is Truck S (10mi/min)