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Claim - Write a statement that answers the question

o          Use both the manipulated and responding variable in your statement

o          Your statement should describe what you observed

o          No data should be given in Part 1

Starter:

In the experiment, the data showed as the “manipulated variable” __________, the “responding variable” ________________ , and then ________________

Evidence - Over all high, low, and/or turning points should be included. Anything that is a part of the pattern observed should be included

o          Use both the manipulated and responding variable when stating evidence

o          State the evidence in the order it occurred

o          Don’t include all the data

Reasoning - Use the data to make a numerical comparison using comparative language (greater, less, increases by, etc.…)

Reasoning - Explain what the comparison means (why did the results happen like they did)

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1. Connect the photo gates to the LabQuest in a chain.

2. Place the two meter sticks next to each other with one centimeter gap.

3. Slide the ruler under the meter sticks at the 50 cm mark

4. Take one long piece of tape and tape the meter sticks to the ruler

5. Place one end of the meter stick ramp on a text book to create a ramp. Measure the height of the book and record on the data table.

6. Use tape loops on the legs of the photo gates to place one on the ruler at the 50 cm mark, on the stack of books, and the table at the end of the ramp.

7. Measure the distance between the center of the photo gates and record the distance on data table 1.

8. Press play on the LabQuest and release the marble at the top of the ramp.

9. Record the blocked times of each of the photo gates from the LabQuest to data table 2.

10. Add a text book to the stack of books to add height. Measure the new height and record the height.

11. Repeat the experiment for 3 trials.

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Meter stick

Photo Gates

marble

LabQuest

role of masking tape

text books

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If the height of the ramp is increased then the speed of a marble will increase because the net downward force acting on the marble increases

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How does the height of a ramp effect the speed of a marble?