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Experimental Design

Experimental Design. Turn to page 21 in notebook Title the page: Experimental Design September 9, 2009. Practice writing a testable question…… What is the effect of _____(IV) on______(DV)?. EX. You have 3 different types of soil and some radish seeds.

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Experimental Design

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  1. Experimental Design Turn to page 21 in notebook Title the page: Experimental Design September 9, 2009

  2. Practice writing a testable question……What is the effect of _____(IV) on______(DV)? • EX. You have 3 different types of soil and some radish seeds. What is the effect of different types of soil on the growth of radish seeds? IV= DV= Different types of soil Growth of the radish seeds.

  3. More practice….Write a testable question and then tell what the IV and DV are… • 1. You wonder what surface makes a toy car go the fastest, wood, tile, or carpet? • Question: • IV • DV • 2. You have notebook paper, construction paper, and computer paper and wonder which kind of paper will make the best paper airplane. • Question: • IV • DV

  4. Practice writing a hypothesis… • If __________, then _____________. • 3.What is the effect of fertilizer on plant growth? • 4.What is the effect of hand sanitizer on bacteria growth? • 5.What is the effect of ramp height on how far a marble will roll?

  5. On Page 20, title it: Water Drop Test 9/9/09 • Write a testable question for the following: • You wonder which type of coin can hold the most water droplets. What is the effect of coin size on the number of water droplets it can hold? IV: DV: Coin size Number of water drops Hypothesis: If __________________ then _______________________.

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