PS Midterm Review Spring 2023

Alicia wants to know how drinking milk affects how tall a Monica grows. Which is the independent variable?

• Monica's growth

• drinking milk

Does the type of shoe worn during a 30 meter dash affect the speed of the runner? The speed of the runner is the...

• independent variable

• dependent variable

Marcos wants to know: Does the type of gasoline put in a car effect how fast the car can drive? What is the independent variable?

• Type of gasoline
• which car the gas is put into
• how fast the car can drive
• how much gas is put into the car

How does increasing the slope of a ramp affect how far a marble travels? Increasing the slope is the...

• independent variable

• dependent variable

What effect does decreasing the temperature of a room have on a lifespan of a battery? The temperature of the room is the...

• independent variable

• dependent variable

How does adding cardio to one’s daily schedule affect their heart rate? The heart rate is the...

• independent variable

• dependent variable

Does changing the scent of a brand of dog food affect how much the dog eats? How much the dog eats is the...

• independent variable

• dependent variable

How does the amount of sunlight affect how many tulip flowers a plant grows? The sunlight is the...

• independent variable

• dependent variable

Qualitative or Quantitative:
The butterfly is on a pink flower. 

• Qualitative
• Quantitative

There are nine dolphins in this pod.

• qualitative
• quantitative