INSANER Variables 2. Compare your catapult designs with your neighbor.

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Presentation transcript:

INSANER Variables 2. Compare your catapult designs with your neighbor. Objective: To explore the design of a catapult in order to determine the variables that can affect the launch distance. Core Question: What can affect the distance a catapult launches a projectile? Drill: 1. Take out yesterday’s dittos. 2. Compare your catapult designs with your neighbor. 3. Determine how you can improve your design. one IN-2

INSANER Variables Discussion: Catapult Designs Sharing the prototype. Lets examine the parts! one IN-2

INSANER Variables List some possible independent variables for this investigation. Angle of the base Length of the lever arm Angle of the lever arm Type of projectile holder Thickness of the rubber band Type of fulcrum bar Fulcrum height Type of lever arm Type of projectile Height of tension bar one IN-2

INSANER Variables What is the dependent variable in this investigation? The distance a projectile is launched one IN-2

***You will receive grades as both a group and as individuals. INSANER Variables Group/Independent Variable Selection Draw a card. Leave it face down. All students with the same number are a team. The person with the spade is the captain. ***You will receive grades as both a group and as individuals. one IN-2

INSANER Variables Ditto: “Organizational Steps” 1. Complete #1 and #2 for your assigned variable. 2. Enter the constants into the chart in #3. one IN-2

INSANER Variables Homework: Write a set of procedures for making a peanut butter and jelly sandwich. one IN-2