Period 1: Problem Solving

A student wants to test if the weight of a paper airplane (measured by paperclips attached) affects the distance it flies.

What is the independent variable?

• The weight of the paper airplane

• The distance the paper airplane flies

• The type of paper the airplane is made out of

• The way the paper airplane is folded

Tags

NGSS.MS-PS2-2

A student wants to test if the weight of a paper airplane (measured by paperclips attached) affects the distance it flies.

What is the dependent variable?

• The weight of the paper airplane

• The distance the paper airplane flies

• The type of paper the airplane is made out of

• The way the paper airplane is folded

A student wants to test what brand of laundry detergent removes ketchup stains from white t-shirts in the least amount of washes. What should remain constant in her experiment?

• The brand of detergent

• The brand of ketchup used to make the stain

• The number of washes

• All of the choices should remain constant

A student wants to test what brand of laundry detergent removes ketchup stains from white t-shirts in the least amount of washes. What should remain constant in her experiment?

• The brand of detergent

• The brand of ketchup used to make the stain

• The number of washes

• All of the choices should remain constant

A student wonders if going to bed earlier than she currently is will impact her grades. What would this student use as a control in her experiment?

• Her bed

• Her grades

• Her current bedtime

• One hour earlier bedtime

It is documented that a Whirligig altered to be made out of cardstock drops from 2 meters in 1.30 seconds on average. The data collected would be considered a ______ observation.

• Qualitative

• Quantitative

FR wants to determine which brand of ketchup students favor in the cafeteria. Students are given two samples to try where the ketchup has been removed from its labeled bottle and placed into clear cups. What has been eliminated as to collect and present valid data?

• Qualitative data points

• An independent variable

• An outlier data point

• The test taster's bias regarding brand of ketchup

A test is done to determine if tomato plants grow taller in full shade than in normal sun conditions. 10 plants are gathered and grown in the shade. All 10 die. What did the experimenter do wrong?

• They only ran 10 trials

• There was no dependent variable

• There was no independent variable

• There was no control level tested

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

Tags

NGSS.MS-ETS1-2

The factor that may change in response to the independent variable is called the ______________.

• Variable

• Dependent variable

• Independent variable

• Controlled variable

Tags

NGSS.MS-PS2-2