Try Trials

Variables are conditions or values that can be _____

• problematic
• solutions
• changed
• removed

In bowling, knocking down the pins and doing it in just one turn are _____

• criteria for a gutter ball
• criteria for a strike
• variables for a gutter ball
• variables for a strike

As good engineers we are going to choose one variable and _____

• insulate it
• remove it
• isolate it
• insult it

When the value of a variable doesn't change, it's said to be _____

• unstable
• fluctuating
• constant
• isolated

In order to isolate a variable, we have to ensure that the other variables are _____

• consistent
• increasing
• constant
• isolated

When both criteria are met, the result is _____

• isolated variables
• a strike
• a gutter ball
• splitting the difference

An important part of the process used by engineers is _____

• bowling
• doing several trials
• using a ramp
• getting strikes

Engineers isolate one variable to test then, between trials, they _____

• change the problem
• change that variable
• hold that variable constant
• change the angle

In general, if the criteria for success are met then the solution is _____

• a winner
• variable
• unchanging
• a strike